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I'm a little late with the blog post, but figured I'd share it here in case someone is interested in the language.\n\nTo those unfamiliar with **Crystal**, it's basically an AoT-compiled language with a syntax that's inspired by **Ruby** but with static type safety.\n\nIt doesn't have a big org behind it, so **Manas Tech** still working on the language and shipping enhancements is quite amazing imo. I will add that while it's used by [Kagi](https://kagi.com/) and [Lavinmq](https://lavinmq.com/), I don't think either company has the same resources to pour into **Crystal** as **Jane Street** does with **OCaml**.\n\nI haven't really had the chance to play around with the changes. So, got no clue on what the experience is like. 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Be lazy. | Filip Roséen", "body": null, "author": "refp", "subreddit": "programming", "score": 153, "upvoteRatio": 0.88, "numComments": 28, "createdAt": "2026-08-08T03:57:59.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://refp.se/articles/your-shell-and-the-lazy-exclamation-mark", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vikuz4", "url": "https://youtu.be/MAnXlpXpFRQ", "permalink": "https://www.reddit.com/r/programming/comments/1vikuz4/heres_why_oop_makes_a_lot_of_sense_to_me/", "title": "Here's why OOP makes a lot of sense to me.", "body": "I kind of feel like OOP has a bad rep in the programming community. \n\nPersonally, after having programmed Java for over 20 years, its object-oriented programming model feels very natural to me. So, I wanted to share how I think about programming, how I translate my ideas and thoughts to code, and why OOP is actually a really nice programming style for me. \n\n\n\nPerhaps it could help you out too.", "author": "OSBY_Glabay", "subreddit": "programming", "score": 0, "upvoteRatio": 0.14, "numComments": 74, "createdAt": "2026-08-08T03:13:15.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://youtu.be/MAnXlpXpFRQ", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vija3m", "url": "https://youtu.be/TB1ny8o4ImQ", "permalink": "https://www.reddit.com/r/programming/comments/1vija3m/solving_and_benchmarking_qubo_problems_with/", "title": "Solving and benchmarking QUBO problems with Gurobi in Python", "body": "State-of-the-art classical optimizer Gurobi for Quadratic Unconstrained Binary Optimization (QUBO) problems.\n\nThe core `gurobipy` implementation for QUBO is relatively compact:\n\n```python\nmodel = gp.Model()\nx = model.addMVar(n, vtype=GRB.BINARY)\nmodel.setObjective(x @ Q @ x, GRB.MINIMIZE)\nmodel.optimize()\n\nsolution = x.X.astype(int)\nobjective = model.ObjVal\n ```\n\nComplete workflow in Python. \nFirst formulate a graph problem (weighted Max-Cut) as QUBO, solve it with Gurobi, benchmark increasingly large instances, and understand what the solver is doing beyond the `optimize()` call.\n\n\nInterested in feedback on the modeling, benchmarking methodology, and which additional Gurobi metrics would make the comparison more rigorous.\n\n", "author": "Future_Ad7567", "subreddit": "programming", "score": 5, "upvoteRatio": 0.65, "numComments": 1, "createdAt": "2026-08-08T01:55:19.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://youtu.be/TB1ny8o4ImQ", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vii2vi", "url": "https://jdk.java.net/28/", "permalink": "https://www.reddit.com/r/programming/comments/1vii2vi/jdk_28_ea_build10_is_now_available_for_download/", "title": "JDK 28 EA Build10 is now available for download and includes JEP 401: Value Objects (Preview) from Project Valhalla", "body": null, "author": "davidalayachew", "subreddit": "programming", "score": 34, "upvoteRatio": 0.92, "numComments": 6, "createdAt": "2026-08-08T00:56:24.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://jdk.java.net/28/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vhxjpv", "url": "https://zayenz.se/blog/post/constraint-generated-puzzle-games/", "permalink": "https://www.reddit.com/r/programming/comments/1vhxjpv/from_constraint_models_to_playable_puzzle_games/", "title": "From constraint models to playable puzzle games", "body": null, "author": "mzl", "subreddit": "programming", "score": 109, "upvoteRatio": 0.93, "numComments": 3, "createdAt": "2026-08-07T11:05:10.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://zayenz.se/blog/post/constraint-generated-puzzle-games/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vhp9ig", "url": "https://youtu.be/nqVFLZqVvQI", "permalink": "https://www.reddit.com/r/programming/comments/1vhp9ig/why_is_project_leyden_ahead_of_its_time/", "title": "Why is Project Leyden Ahead of its Time?", "body": null, "author": "OSBY_Glabay", "subreddit": "programming", "score": 0, "upvoteRatio": 0.27, "numComments": 0, "createdAt": "2026-08-07T03:20:50.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://youtu.be/nqVFLZqVvQI", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vh96pd", "url": "https://lightsout.afterthought.games/blog/2026-07-26-19-00", "permalink": "https://www.reddit.com/r/programming/comments/1vh96pd/designing_a_movement_transaction_system_for_a/", "title": "Designing a Movement Transaction System for a Sokoban Game", "body": "## Context\n\n\nMy multiplayer game [Lights Out](https://store.steampowered.com/app/4610220/Lights_Out/) is based on a 2D grid.\nEntities can only ever be in exactly one grid tile.\nThis makes the rule evaluation really simple and understandable.\nHowever, it doesn't really feel nice to play (which you know if you've ever played any of the PuzzleScript games).\nAt the same time, the more content is in the game, the more complex and arbitrary the game rules become.\n\n\nI therefore introduced the `Movement Transaction System` into the code base to deal with this.\nThis includes two sides:\n- The gameplay code on server side deals with transactions. This bundles all movement code (including rule evaluation) into a single system.\n- The visualization & prediction code on client side deals with visual interpolation for moves (introducing some juice into the gameplay feel), based on the transactions managed by the server.\n\n\n## The Transaction\n\n\nA single transaction includes the movement delta, a list of entities that it has affected and some flags.\nA transaction then undergoes several stages:\n- `Queued`: Gameplay code has requested an entity to move\n- `Issued`: The visual interpolation for the transaction has started in the client, but the entities have not been moved from a gameplay perspective\n- `Committed`: The entities have now been moved onto their new tiles, the visual interpolation is finishing\n- `Aborted`: The transaction couldn't be committed as it would've violated gameplay rules. Visual interpolation is reversed.\n\n\n## The Visual Interpolation\n\n\nWhenever a transaction is issued on server-side, the server tells the clients to start a visual interpolation based on the transaction.\nThis information includes the desired duration of the interpolation, as well as some flags (like whether to use acceleration or do a linear interpolation).\nThe client then updates the visual interpolation every frame, until the transaction is either aborted or the target position has been reached.\n\n\n## Simplifying Gameplay Code\n\n\nThis new system has made the gameplay code much simpler.\nI can now easily query whether an entity currently has a live transaction to know whether the visual interpolation is still in progress.\nThis enables seamless, continuous movement across the world (e.g. for fireballs moving at linear speed).\n\n\nThis also guarantees that the visual position of an entity is always close enough to its gameplay (physical) position so that players aren't confused about the rule evaluation.\n\n\nFinally, the gameplay rules are now implemented in a single function called `validate_transaction`, instead of being spread out across all the different entities like it was before.\n\n\n## Summary\n\n\nThe transaction system made the gameplay code much simpler and easier to reason about, while also improving the game feel and robustness.\n\n\nYou can find the full blog most, including more details and sample code, over on https://lightsout.afterthought.games/blog/2026-07-26-19-00", "author": "an_unreal", "subreddit": "programming", "score": 1, "upvoteRatio": 0.56, "numComments": 2, "createdAt": "2026-08-06T16:30:07.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://lightsout.afterthought.games/blog/2026-07-26-19-00", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vh8wl5", "url": "https://boostedcpp.net/2026/08/06/neoclassical-c-2-exploring-input-output-segmented-algorithms/", "permalink": "https://www.reddit.com/r/programming/comments/1vh8wl5/neoclassical_c_2_exploring_inputoutput_segmented/", "title": "Neoclassical C++ (2): Exploring input-output segmented algorithms", "body": null, "author": "igaztanaga", "subreddit": "programming", "score": 0, "upvoteRatio": 0.36, "numComments": 0, "createdAt": "2026-08-06T16:19:56.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://boostedcpp.net/2026/08/06/neoclassical-c-2-exploring-input-output-segmented-algorithms/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vh30bd", "url": "https://youtu.be/1o2E2n0KDZ4?list=PLEx5khR4g7PINwOsYrkwz3lTTJUYoXC53", "permalink": "https://www.reddit.com/r/programming/comments/1vh30bd/a_long_spring_19_years_of_living_with_your_past/", "title": "A Long Spring: 19 Years of Living with Your Past Mistakes • Arjen Poutsma", "body": null, "author": "goto-con", "subreddit": "programming", "score": 8, "upvoteRatio": 0.68, "numComments": 0, "createdAt": "2026-08-06T12:35:11.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://youtu.be/1o2E2n0KDZ4?list=PLEx5khR4g7PINwOsYrkwz3lTTJUYoXC53", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vh24uw", "url": "https://blogs.oracle.com/java/post-quantum-cryptography-in-long-term-support-jdk-releases", "permalink": "https://www.reddit.com/r/programming/comments/1vh24uw/bringing_postquantum_cryptography_to_java_lts/", "title": "Bringing Post-Quantum Cryptography to Java LTS Releases", "body": null, "author": "donutloop", 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The same benchmark could randomly run **20× slower**, and it turned out a LuaJIT NYI (Not Yet Implemented) could silently blacklist an unrelated hot loop.\n\nI wrote up the investigation here.\n\nIt goes from the benchmark mystery through LuaJIT's trace recorder internals, and ends with a PR to get unpack off LuaJIT's NYI list. Feedback is very welcome! :)", "author": "MyNameIsTrez", "subreddit": "programming", "score": 161, "upvoteRatio": 0.95, "numComments": 22, "createdAt": "2026-08-06T09:50:58.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://streamhpc.com/blog/2026-08-05/the-luajit-nyi-that-silently-poisoned-an-unrelated-hot-loop/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vgznmp", "url": "https://byroot.github.io/ruby/performance/2026/08/05/shrinking-ruby-hashes.html", "permalink": "https://www.reddit.com/r/programming/comments/1vgznmp/shrinking_ruby_hashes/", "title": "Shrinking Ruby Hashes", "body": null, "author": "mariuz", "subreddit": "programming", "score": 68, "upvoteRatio": 0.91, "numComments": 7, "createdAt": "2026-08-06T09:46:14.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://byroot.github.io/ruby/performance/2026/08/05/shrinking-ruby-hashes.html", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vgc4xz", "url": "https://labs.iximiuz.com/tutorials/linux-processes-threads-concurrency-3302b677", "permalink": "https://www.reddit.com/r/programming/comments/1vgc4xz/linux_processes_threads_concurrency/", "title": "Linux Processes: Threads & Concurrency", "body": null, "author": "iximiuz", "subreddit": "programming", "score": 92, "upvoteRatio": 0.94, "numComments": 12, "createdAt": "2026-08-05T16:23:46.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://labs.iximiuz.com/tutorials/linux-processes-threads-concurrency-3302b677", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vg8iyl", "url": "https://blog.serenedb.com/fuzzy-search-deep-dive", "permalink": "https://www.reddit.com/r/programming/comments/1vg8iyl/how_fuzzy_search_works_in_a_search_engine/", "title": "How fuzzy search works in a search engine: Levenshtein automata and n-gram similarity", "body": null, "author": "mr_gnusi", "subreddit": "programming", "score": 106, "upvoteRatio": 0.98, "numComments": 7, "createdAt": "2026-08-05T14:12:52.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://blog.serenedb.com/fuzzy-search-deep-dive", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vg8bi5", "url": "https://www.chiply.dev/post-elisp-macros-are-beautiful", "permalink": "https://www.reddit.com/r/programming/comments/1vg8bi5/gödel_escher_elisp_the_beauty_of_macros/", "title": "Gödel, Escher, Elisp: The Beauty of Macros", "body": "This post is a lover letter to Emacs Lisp macros. I've been a long time user as a lisp hacker, and my recent obsessions with Douglas Hofstadter's strange loop concepts and M.C. Escher's mind bending artwork have enhanced my appreciation of this language's most beautiful and thought provoking feature. This post can teach you about macros and what makes them useful, but I also hope it can instill a fascination with their concept. [https://www.chiply.dev/post-elisp-macros-are-beautiful](https://www.chiply.dev/post-elisp-macros-are-beautiful)", "author": "misterchiply", "subreddit": "programming", "score": 50, "upvoteRatio": 0.89, "numComments": 6, "createdAt": "2026-08-05T14:04:41.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://www.chiply.dev/post-elisp-macros-are-beautiful", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vg7jad", "url": "https://yogthos.net/posts/2026-08-03-splat-painter.html", "permalink": "https://www.reddit.com/r/programming/comments/1vg7jad/painting_with_gaussians/", "title": "Painting with Gaussians", "body": null, "author": "yogthos", "subreddit": "programming", "score": 26, "upvoteRatio": 0.86, "numComments": 4, "createdAt": "2026-08-05T13:34:04.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://yogthos.net/posts/2026-08-03-splat-painter.html", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vg555b", "url": "https://blog.rust-lang.org/inside-rust/2026/08/05/rust-langrust-is-adopting-an-llm-policy/", "permalink": "https://www.reddit.com/r/programming/comments/1vg555b/the_rust_programming_language_is_adopting_a_new/", "title": "The rust programming language is adopting a new contributing policy", "body": null, "author": "mareek", "subreddit": "programming", "score": 627, "upvoteRatio": 0.96, "numComments": 132, "createdAt": "2026-08-05T11:50:06.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://blog.rust-lang.org/inside-rust/2026/08/05/rust-langrust-is-adopting-an-llm-policy/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vg4nwf", "url": "https://encore.dev/blog/message-queue-hangs", "permalink": "https://www.reddit.com/r/programming/comments/1vg4nwf/your_sqs_consumer_can_hang_forever_by_default/", "title": "Your SQS consumer can hang forever by default", "body": null, "author": "TheSwedeheart", "subreddit": "programming", "score": 23, "upvoteRatio": 0.76, "numComments": 4, "createdAt": "2026-08-05T11:26:12.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://encore.dev/blog/message-queue-hangs", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vfrjfk", "url": "https://theopenpresenter.com/blog/reverse-engineering-google-slides/", "permalink": "https://www.reddit.com/r/programming/comments/1vfrjfk/reverse_engineering_google_slides/", "title": "Reverse Engineering Google Slides", "body": null, "author": "IamMichaelSalim", "subreddit": "programming", "score": 21, "upvoteRatio": 0.84, "numComments": 0, "createdAt": "2026-08-05T00:09:52.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://theopenpresenter.com/blog/reverse-engineering-google-slides/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1vfqtn6", "url": "https://youtu.be/Qr3VsZYQy4s", "permalink": "https://www.reddit.com/r/programming/comments/1vfqtn6/how_zanzlanz_released_a_game_that_has_no_assets/", "title": "How Zanzlanz released a game that has no assets", "body": "Specifically, the video is about developing a game where all the textures and sounds are generated at runtime using Sine waves. 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However, this results in undefined behavior if one process reads the data while another process writes to it concurrently. Even if our lock-free algorithm reliably detects such a race, [iceoryx2](https://github.com/eclipse-iceoryx/iceoryx2) cannot depend on undefined behavior in a safety-critical system.\n\nThis blog post introduces our solution: a byte-wise atomic wrapper that enables well-defined concurrent copy operations. It also shows how it can be used to implement a simple sequence lock.\n\nNote: I am not the original author of the blog post. 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This activity seems to be driven largely by the SA-MP and [Open.mp](https://open.mp/) modding communities, with [open.mp](https://open.mp/) itself being actively maintained and improved, and the broader GitHub ecosystem showing dozens of public repositories related to Pawn and [Open.mp](https://open.mp/). Given this context, I would like to ask whether the Pawn community, especially within the SA-MP and [Open.mp](https://open.mp/) scene, is still significant enough to consider the language actively relevant in 2026, or if this is primarily a legacy ecosystem with a concentrated but declining user base. I would be grateful to hear from developers who are currently working with Pawn about their experiences, whether modern tooling like Pawn Studio and PawnPlus have meaningfully improved development, and whether they are seeing new developers enter the scene or if the community is largely composed of seasoned veterans. 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years on SQL Server and then working on Postgres? on the Talking Postgres podcast", "body": "I host a Postgres podcast, and I recently recorded a conversation with Panos Antonopoulos, a Distinguished Engineer at Microsoft who spent 13 years working on SQL Server before moving onto Postgres and HorizonDB.\n\nPanos told me that at a high level, Postgres felt very familiar as he started to work on it, that the concepts are very similar. 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I could understand new areas in Postgres much faster than I could for SQL.\"\n\nFor people who have worked across multiple database systems (Oracle, SQL Server, MySQL, Postgres, etc.), I'm curious whether you've had a similar experience—or a completely different one.\n\nPodcast/transcript here if anyone is interested: [https://talkingpostgres.com/episodes/working-on-postgres-after-13-years-on-sql-server-with-panagiotis-antonopoulos](https://talkingpostgres.com/episodes/working-on-postgres-after-13-years-on-sql-server-with-panagiotis-antonopoulos)", "author": "clairegiordano", "subreddit": "programming", "score": 248, "upvoteRatio": 0.89, "numComments": 23, "createdAt": "2026-07-17T22:50:43.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://talkingpostgres.com/episodes/working-on-postgres-after-13-years-on-sql-server-with-panagiotis-antonopoulos", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1uzapht", "url": "https://www.reddit.com/r/seed7/comments/1uvbc5a/seed7_version_20260711_released_on_github_and_sf/", "permalink": "https://www.reddit.com/r/programming/comments/1uzapht/seed7_version_20260711_released/", "title": "Seed7 version 2026-07-11 released", "body": "Seed7 is a GPL licensed open source programming language. It is given away for free and nobody from the development team gets any money from it.", "author": "ThomasMertes", "subreddit": "programming", "score": 4, "upvoteRatio": 0.55, "numComments": 34, "createdAt": "2026-07-17T20:08:51.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://www.reddit.com/r/seed7/comments/1uvbc5a/seed7_version_20260711_released_on_github_and_sf/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1uzadz5", "url": "https://github.com/lexvalo/mini-pad-submitter-revived", "permalink": "https://www.reddit.com/r/programming/comments/1uzadz5/maintaining_the_code_of_the_man_who_wrote_how_to/", "title": "Maintaining the code of the man who wrote \"How To Write Unmaintainable Code\"", "body": "Today I accidentally became the maintainer of software that was already almost three decades old: reviving a 1990s Java utility to keep the last PAD submitter alive in 2026.\n\nI was looking for a way to submit my AI app RiverScript to old desktop software directories and ended up digging through the long-forgotten world of PAD files.\n\nThere was one problem.\n\nThe only batch submission tool I could find was a Java application that first appeared in the late 1990s. The last release was in 2017.\n\nIt was written by Roedy Green of [Canadian Mind Products](https://mindprod.com/) – a software developer who passed away in 2023. He spent decades writing and freely distributing Java utilities, and maintaining the widely-read [Java Glossary](https://mindprod.com/jgloss/jgloss.html). Roedy Green also wrote [How To Write Unmaintainable Code](https://github.com/droogans/unmaintainable-code) – a famous satirical guide about writing code nobody can maintain. So, Roedy, today the code you wrote almost three decades ago was maintained.\n\nThe tool still did exactly what it was supposed to do. Thank you.\n\nIt just had absolutely no idea the modern web existed.\n\nIt happily produced URLs like `http://https://riverscript.com` instead of [https://riverscript.com](https://riverscript.com), disabled SNI globally (which was probably a perfectly reasonable workaround at some point), and couldn't cope with the fact that almost every website now redirects HTTP to HTTPS.\n\nSo I dug through the legacy Java code, fixed the compatibility issues, and got it working again.\n\nI used it to submit my app to several software directories, then published the revived version on GitHub so anyone who still needs it can use it too.\n\nMaybe nobody will ever need it again. Maybe someone will.\n\nEither way, I'm happy this old thing works again.\n\nSo today, the code of the man who wrote \"How To Write Unmaintainable Code\" is still being maintained even after he was gone.\n\nP.S. The public repository for [Mini PAD Submitter 26.3 Revived – 2026 Community Fix](https://github.com/lexvalo/mini-pad-submitter-revived) is available and open to everyone.\n\nP.P.S. At the request of redditors, I also added support for using custom submission directories.\n\nIn Roedy's original program, the list of 66 directories was hardcoded, and quite a few of them no longer exist. So I added a *sites.txt* file next to the application in the *dist* folder, where you can edit the list yourself – remove the ones that no longer exist and add new ones. 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I documented my 1 year journey of optimizations on a stupid table for my Database GUI. I made everything from scratch like an idiot thinking it'd be easy but oh boy was I wrong... The article goes over all the optimizations I made to make my table render data smoothly without lagging. It goes from what data structures I used and the rendering optimizations I did. I used MongoDB Compass as a baseline since they use AG-Grid for their table and I'm pretty happy that my table feels way smoother than that (In my own testing)! But yeah, I never realized that there would be so much depth in making a performant table.\n\n \nPS. I decided not to use AG-Grid because there were a lot of customizations that I needed to do. I wanted column expansions ( if a field as an object or an array it would open columns to the right of it ). I also wanted an embedded text search where you could search for text within non visible columns (because they were in objects or arrays ) and AG Grid didn't really support that behavior so ..yeah. 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A technical breakdown", "body": null, "author": "Ordinary_Leader_2971", "subreddit": "programming", "score": 0, "upvoteRatio": 0.47, "numComments": 12, "createdAt": "2026-07-08T03:46:56.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://performance.dev/how-is-linear-so-fast-a-technical-breakdown", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1uqci17", "url": "https://opensource.org", "permalink": "https://www.reddit.com/r/programming/comments/1uqci17/the_need_for_new_wordsterms_as_the_antidote_to/", "title": "The need for new words/terms as the antidote to bad software", "body": "I'll preface to say I'm not at all a programmer, so pardon me for saying anything stupid\n\nThe increasing amount of slop is no secret, and but software as a whole, be it plugins or apps or even whole operating systems, has become increasing plagued by a set of kinda-unrelated problems that feel like they fall under the same umbrella. 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"body": null, "author": "Adventurous-Salt8514", "subreddit": "programming", "score": 14, "upvoteRatio": 0.71, "numComments": 1, "createdAt": "2026-07-06T14:43:32.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://www.architecture-weekly.com/p/addition-by-subtraction-in-software", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1uoup9h", "url": "https://statecraft.hashnode.dev/execution-truth-vs-execution-authority", "permalink": "https://www.reddit.com/r/programming/comments/1uoup9h/execution_truth_vs_execution_authority/", "title": "Execution Truth vs Execution Authority", "body": "Ran into this while working on a coordination primitive for a payments system: locks and consensus (Redis, Raft, etcd) all answer \"who can act right now\" none answer \"did the action actually complete\" once a crash happens. 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Join us at ModCon '26 for an update.\"", "author": "baldierot", "subreddit": "programming", "score": 159, "upvoteRatio": 0.85, "numComments": 104, "createdAt": "2026-06-27T12:39:40.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://www.modular.com/modcon", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1uh0m01", "url": "https://blog.gaborkoos.com/posts/2026-06-11-Your-Package-Manager-Is-Lying-to-You/", "permalink": "https://www.reddit.com/r/programming/comments/1uh0m01/your_package_manager_is_lying_to_you_npm_yarn/", "title": "Your Package Manager Is Lying to You: npm, Yarn, pnpm, Bun & Deno", "body": "Package managers aren't as interchangeable as they seem. This post digs into the real differences in how npm, Yarn, pnpm, Bun, and Deno handle dependencies under the hood and why that matters when things break in practice.", "author": "OtherwisePush6424", "subreddit": "programming", "score": 0, "upvoteRatio": 0.26, "numComments": 3, "createdAt": "2026-06-27T11:43:01.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://blog.gaborkoos.com/posts/2026-06-11-Your-Package-Manager-Is-Lying-to-You/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1uguca7", "url": "https://healeycodes.com/a-tiny-compiler-for-data-parallel-kernels", "permalink": "https://www.reddit.com/r/programming/comments/1uguca7/a_tiny_compiler_for_dataparallel_kernels/", "title": "A Tiny Compiler for Data-Parallel Kernels", "body": null, "author": "mitousa", "subreddit": "programming", "score": 15, "upvoteRatio": 0.8, "numComments": 4, "createdAt": "2026-06-27T05:44:54.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://healeycodes.com/a-tiny-compiler-for-data-parallel-kernels", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1uglbou", "url": "https://www.ioccc.org/2025/uellenberg/index.html", "permalink": "https://www.reddit.com/r/programming/comments/1uglbou/insert_a_language_for_selfmodifying_code/", "title": "Insert, a language for self-modifying code", "body": "If you ever find yourself with time to kill and crave a fun challenge, you can write a program that prints out its own source code, called a [quine](https://en.wikipedia.org/wiki/Quine_(computing)). Go on, give it a try, it's good fun! Once that's done, what's to stop you from modifying the source code instead of printing it verbatim, slowly shifting forms as you iterate on each successive output?\n\nNaturally, you'll want to make a [game that's played in its own source code](https://github.com/uellenberg/Insert#insert) (click for an animation):\n\n #include\n #define z else\n #define y return\n #define x int\n #define w if(\n #define v putchar(\n #define B v 10);\n #define A v 92);\n \n /* IOCCC29, w = up, e = down */\n \n x a= 32 ; x b= 6 ; x c= -1 ; x d= 1 ; x e= 5 ; x f= 10 ; x g= 62 ; x h= 5 ; x i[6]={ 1,3,1,4,1,0} ; char*j[]={ \"\\\n \\\n #include'#define$z$else'#define$y$return'#define$x$int'#defin\\\n e$w$if('#define$v$putchar('#define$B$v$10);'#define$A$v$92);''/*$IOCCC\\\n 29,$w$=$up,$e$=$down$*/''x$a=\",\"32\",\";x$b=\",\"6\",\";x$c=\",\"-1\",\";x$d=\",\"\\\n 1\",\";x$e=\",\"5\",\";x$f=\",\"10\",\";x$g=\",\"62\",\";x$h=\",\"5\",\";x$i[6]={1,3,1,4\\\n ,1,0};char*j[]={\",\"\",\"};x$k=0;x$l=1;x$m(){l++;w$l==1)y!v$44);w$l==2)y!\\\n v$34) ;char$o=j[k][l-3];w!o){l=0;k++;y!v$34);}w$o==34){A$y$v $34);\\\n }w$o= =92){A$y$A}w$o!=32&&o!=1 0)y!v$o);y$m();}void$n(x$o, x$p){\\\n aspri ntf(j+o,\\\"%i\\\",p);}x$mai n(x$o,char**p){char*q;w$c<2 )a+=c\\\n ;b+=d ;x$r=b+2>f/2&&bh&&b67){w$a<0){c=2;d=0;}a=3 4;b=6\\\n ;}w$b<0||b>13){b-=d;d=-d;}w$f/2>10)f-=2;w$h>10)h--;w$o>1){w*p[1]==119&\\\n &h>0)h--;w*p[1]==101&&h<10)h++;}s=f/2-b+1;w$s<0)f++;w$s>0)f--;}z{b++;w\\\n $d<0)d++;w$b>=13){w$o>1&&*p[1]==119)d=-4;b=13;}w$f/2<15-i[c-2])f+=2;z$\\\n e--;w$h<15-i[c-1])h++;z$g--;w$e+3<=0){c++;w$c<7){e=g;f=h*2;g=70;h=15-i\\\n [c-1];}z{e=5;g=62;c=1;d=1;}}w$a+2==e&&r||s){c=2;e=5;f=28;g=62;h=12;}}n\\\n \\\n (1,a);n(3,b);n(5,c);n(7,d);n(9,e);n(11,f);n(13,g);n(15,h);for(s=0;s<\",\"29\",\";s++){w$s)v$32);q=j[s];r=1;for(char*t=q;*t;t++)w*t==\",\"36\",\")v$32);z$w*t==\",\"39\",\")B$z$w*t!=32&&*t!=10){r=0;v*t);w*t==123||*t==125||*t==59)v$32);}w$r){m();A$B$A$B$for(o=0;o<15;o++){for(x$u=0;u<70;u++)w$k>=\",\"29\",\"||u>=a&&o>=b&&u-a<3&&o-b<2||u>=e&&o>=f/2&&u-e<3&&o-f/2<5||u>=g&&o>=h&&u-g<3&&o-h<5)v$32);z$w$m())u++;w$l)A$B}w$l)A$B$for(;k<\",\"29\",\";)m();}}B}\" } ; x k=0; x l=1; x m(){ l++; w l==1)y!v 44); w l==2)y!v 34); char o=j[k][l-3]; w!o){ l=0; k++; y!v 34); } w o==34){ A y v 34); } w o==92){ A y A} w o!=32&&o!=10)y!v o); y m(); } void n(x o,x p){ asprintf(j+o,\"%i\",p); } x main(x o,char**p){ char*q; w c<2)a+=c; b+=d; x r=b+2>f/2&&bh&&b67){ w a<0){ c=2; d=0; } a=34; b=6; } w b<0||b>13){ b-=d; d=-d; } w f/2>10)f-=2; w h>10)h--; w o>1){ w*p[1]==119&&h>0)h--; w*p[1]==101&&h<10)h++; } s=f/2-b+1; w s<0)f++; w s>0)f--; } z{ b++; w d<0)d++; w b>=13){ w o>1&&*p[1]==119)d=-4; b=13; } w f/2<15-i[c-2])f+=2; z e--; w h<15-i[c-1])h++; z g--; w e+3<=0){ c++; w c<7){ e=g; f=h*2; g=70; h=15-i[c-1]; } z{ e=5; g=62; c=1; d=1; } } w a+2==e&&r||s){ c=2; e=5; f=28; g=62; h=12; } } n(1,a); n(3,b); n(5,c); n(7,d); n(9,e); n(11,f); n(13,g); n(15,h); for(s=0; s< 29 ; s++){ w s)v 32); q=j[s]; r=1; for(char*t=q; *t; t++)w*t== 36 )v 32); z w*t== 39 )B z w*t!=32&&*t!=10){ r=0; v*t); w*t==123||*t==125||*t==59)v 32); } w r){ m(); A B A B for(o=0; o<15; o++){ for(x u=0; u<70; u++)w k>= 29 ||u>=a&&o>=b&&u-a<3&&o-b<2||u>=e&&o>=f/2&&u-e<3&&o-f/2<5||u>=g&&o>=h&&u-g<3&&o-h<5)v 32); z w m())u++; w l)A B} w l)A B for(; k< 29 ; )m(); } } B}\n\nAt least, that's the rabbit hole I fell into while working on my [IOCCC entry](https://www.ioccc.org/2025/uellenberg/index.html) above, which is a version of pong that outputs a modified copy of its source code to generate the next frame of the game, rendering the current frame inside that same source code. It can be played by continuously compiling and running the output of the previous program, passing args to control your player.\n\nThis led me to writing Insert, a programming language to do just that (because, frankly, I'm not sure I have what it takes to write it all by hand). Its purpose is to produce C programs that can modify and output their own code, and which are optimized to be as small as possible (in number of characters). [Click here for the original source code](https://github.com/uellenberg/Insert/blob/a2239b3234f7477b340c8db70bcf4e68d1b2f6d4/test/src/pong.int) used to create the monstrous incantation of C above.\n\nOf course, something like this isn't particularly useful, but that's never been a good reason not to do it! On the contrary, I've found a lot of value in indulging in silly programs like this, and there are so many fascinating things that have to be done to make it all work.\n\nAt a high level, you have to finish most of the compilation process to get a nearly complete piece of C code, then inject that code into itself so it can be accessed at runtime. There are a few tricks needed to sidestep some of the chicken-and-egg problems that arise from quines, which makes the whole process very interesting to dive into. For example, the nearly complete C code might look like:\n\n string thisCode = \"INJECT HERE\";\n int main() { /* ... */ }\n\nThen, after injecting into itself, it looks like:\n\n string thisCode = \"string thisCode = \\\"INJECT HERE\\\";\\nint main() { /* ... */ }\";\n int main() { /* ... */ }\n\nOf course, if you just print out the value of `thisCode`, you'll get the nearly complete version of code instead of the actual version that you ran. So, at runtime, `INJECT HERE` must first be replaced with the value of `thisCode`, completing the quine.\n\nThere are a bunch of other brain teasers, such as how the program's behavior must depend on what its compiled output looks like. For example, at the program in the top, spaces are replaced by `$` to free them up for formatting, but the reason dollar sign in particular is used is just because it doesn't appear in the compiled output. Instead of somehow modifying the program based on future knowledge, you can very carefully inject some data derived from the nearly complete C code back into it, being mindful of how this affects program behavior (in this case, by injecting it as a character code and not a literal).\n\nSo, if you're curious about self-modifying quines or strange (and exciting!) compiler optimizations, I invite you to read through the writeup and tinker with the language and compiler. I've written about the language features and other design considerations that let the compiler automate a lot of the work to generate these quines, and am more than happy to answer any questions or to go into more detail!\n\n[IOCCC writeup](https://www.ioccc.org/2025/uellenberg/index.html)\n\n[Compiler (written in Rust)](https://github.com/uellenberg/Insert)", "author": "uellenberg", "subreddit": "programming", "score": 83, "upvoteRatio": 0.91, "numComments": 8, "createdAt": "2026-06-26T22:36:33.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://www.ioccc.org/2025/uellenberg/index.html", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1uge87g", "url": "https://medium.com/@joaocordeiroalmeida/how-i-targeted-youtube-with-my-rust-web-browser-and-what-it-taught-me-54b649652df6?postPublishedType=repub", "permalink": "https://www.reddit.com/r/programming/comments/1uge87g/how_i_targeted_youtube_with_my_rust_web_browser/", "title": "How I Targeted Youtube with my Rust Web Browser. And what it taught me", "body": "**DISCLAIMER : NO AI OR LLMS WERE USED IN WRITING THIS ARTICLE . EVERY SINGLE WORD WAS TYPED MANUALLY USING A KEYBOARD**\n\nI HAVE A COMPLETE UNEDITED VIDEO OF ME WRITING THE ARTICLE HERE: \n[https://www.youtube.com/watch?v=6j1dbN64LyI](https://www.youtube.com/watch?v=6j1dbN64LyI)", "author": "Inevitable_Back3319", "subreddit": "programming", "score": 0, "upvoteRatio": 0.29, "numComments": 1, "createdAt": "2026-06-26T18:03:45.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://medium.com/@joaocordeiroalmeida/how-i-targeted-youtube-with-my-rust-web-browser-and-what-it-taught-me-54b649652df6?postPublishedType=repub", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1ugcct7", "url": "https://david.alvarezrosa.com/posts/tuning-a-server-for-benchmarking/", "permalink": "https://www.reddit.com/r/programming/comments/1ugcct7/tuning_a_server_for_benchmarking/", "title": "Tuning a Server for Benchmarking", "body": "Optimizing code starts with measuring it, and a measurement is only useful if it is repeatable: a 2% improvement is invisible under 5% of noise. Yet on an untuned machine the same binary can easily run several percent faster or slower between runs. In this post we take a tiny benchmark and tune the machine step by step, re-measuring after every change, until runs become deterministic.\n\nContinue reading—[Tuning a Server for Benchmarking](https://david.alvarezrosa.com/posts/tuning-a-server-for-benchmarking/)", "author": "david-alvarez-rosa", "subreddit": "programming", "score": 28, "upvoteRatio": 0.81, "numComments": 5, "createdAt": "2026-06-26T16:54:37.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://david.alvarezrosa.com/posts/tuning-a-server-for-benchmarking/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1ug2xt2", "url": "https://williamdue.github.io/blog/parallel-parentheses-matching", "permalink": "https://www.reddit.com/r/programming/comments/1ug2xt2/parallel_stacks_parentheses_matching/", "title": "Parallel Stacks & Parentheses Matching", "body": null, "author": "Dear-Economics-315", "subreddit": "programming", "score": 7, "upvoteRatio": 0.81, "numComments": 0, "createdAt": "2026-06-26T10:24:40.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://williamdue.github.io/blog/parallel-parentheses-matching", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1ug0oim", "url": "https://cekrem.github.io/posts/parse-dont-validate-typescript/", "permalink": "https://www.reddit.com/r/programming/comments/1ug0oim/parse_dont_validate_in_a_language_that_doesnt/", "title": "Parse, Don't Validate — In a Language That Doesn't Want You To", "body": null, "author": "fagnerbrack", "subreddit": "programming", "score": 0, "upvoteRatio": 0.44, "numComments": 11, "createdAt": "2026-06-26T08:14:50.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://cekrem.github.io/posts/parse-dont-validate-typescript/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1ufzafr", "url": "https://w.pitula.me/fintech-engineering-handbook/", "permalink": "https://www.reddit.com/r/programming/comments/1ufzafr/fintech_engineering_handbook/", "title": "Fintech Engineering Handbook", "body": "I just published Fintech Engineering Handbook distilled from 6 years of tears, sweat and swears. \n\nIt’s a free \\~25-page resource with various hints and patterns around handling money in software systems. \n\nTell me what you think!", "author": "Krever", "subreddit": "programming", "score": 613, "upvoteRatio": 0.95, "numComments": 51, "createdAt": "2026-06-26T06:55:05.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://w.pitula.me/fintech-engineering-handbook/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1ufsqxj", "url": "https://www.youtube.com/watch?v=i0Dip6rBNRA", "permalink": "https://www.reddit.com/r/programming/comments/1ufsqxj/cartridge_style_development_everything_in_one_exe/", "title": "Cartridge Style Development - Everything in One .exe File!", "body": null, "author": "UltimaN3rd", "subreddit": "programming", "score": 83, "upvoteRatio": 0.87, "numComments": 36, "createdAt": "2026-06-26T01:27:33.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://www.youtube.com/watch?v=i0Dip6rBNRA", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1ufopd6", "url": "https://werwolv.net/posts/usb_for_sw_devs/", "permalink": "https://www.reddit.com/r/programming/comments/1ufopd6/usb_for_software_developers_an_introduction_to/", "title": "USB for Software Developers: An introduction to writing userspace USB drivers", "body": null, "author": "fagnerbrack", "subreddit": "programming", "score": 286, "upvoteRatio": 0.96, "numComments": 19, "createdAt": "2026-06-25T22:29:31.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://werwolv.net/posts/usb_for_sw_devs/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1ufjnr1", "url": "https://www.redspring.xyz/blog/vlm-ocr-bench", "permalink": "https://www.reddit.com/r/programming/comments/1ufjnr1/ocring_100000_pages_with_opensource_vlms_on_modal/", "title": "OCR’ing 100,000 pages with open-source VLMs on Modal", "body": null, "author": "patrickdevivo", "subreddit": "programming", "score": 0, "upvoteRatio": 0.35, "numComments": 4, "createdAt": "2026-06-25T19:16:42.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://www.redspring.xyz/blog/vlm-ocr-bench", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1ufcx1g", "url": "https://www.omegasyntax.com/domino/", "permalink": "https://www.reddit.com/r/programming/comments/1ufcx1g/domino_tiling_from_dynamic_programming_to_finite/", "title": "Domino Tiling: From Dynamic Programming to Finite Fields", "body": "[https://www.omegasyntax.com/domino/](https://www.omegasyntax.com/domino/)\n\nSeries of articles about Domino Tiling problem.", "author": "eugene", "subreddit": "programming", "score": 27, "upvoteRatio": 0.84, "numComments": 16, "createdAt": "2026-06-25T15:15:32.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://www.omegasyntax.com/domino/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1ufcwid", "url": "https://ajmmertens.medium.com/building-an-ecs-data-oriented-hierarchies-62fb2847d100", "permalink": "https://www.reddit.com/r/programming/comments/1ufcwid/building_an_entity_component_system_data_oriented/", "title": "Building an Entity Component System: Data Oriented Hierarchies", "body": "[Data Oriented Design](https://en.wikipedia.org/wiki/Data-oriented_design) is the practice of building code that's optimized for the hardware it runs on. Entity Component Systems help writing DOD-friendly code by laying out otherwise allocation-heavy game data in contiguous arrays.\n\n \nA challenge in gamedev however is that lots of game data is stored and accessed as hierarchies that change frequently, which makes them notoriously difficult to store as contiguous arrays.\n\n \nThis article goes over a number of techniques an Entity Component System can use to integrate hierarchies with the core datamodel in a way that *improves* the performance of the ECS. Written mostly for gamedev, but also applies to other hierarchy-heavy applications, like UI.", "author": "ajmmertens", "subreddit": "programming", "score": 12, "upvoteRatio": 0.73, "numComments": 9, "createdAt": "2026-06-25T15:15:00.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://ajmmertens.medium.com/building-an-ecs-data-oriented-hierarchies-62fb2847d100", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1ufc0ki", "url": "https://martinfowler.com/eaaCatalog/serviceLayer.html", "permalink": "https://www.reddit.com/r/programming/comments/1ufc0ki/the_dogma_of_entitybased_services_and_repositories/", "title": "The dogma of entity-based Services and Repositories", "body": "Every day I see more projects where a layer-per-entity approach is created by default: `UserService`, `UserRepository`, `OrderService`, `OrderRepository`, and so on.\n\nMy issue is not with layering itself, but with how these layers are used.\n\nIn theory, a *Service* should represent application behavior: something that encapsulates real use cases or meaningful interactions with external systems (payments, emails, APIs, etc.). Something with enough significance to justify being isolated.\n\nA *Repository*, in theory, should exist when there is real complexity in data access: multiple data sources, non-trivial persistence logic, evolving storage mechanisms, etc.\n\nHowever, in practice, they often degrade into something else:\n\n* services that simply delegate calls\n* repositories that are thin wrappers around an ORM\n* interfaces with no meaningful alternative implementation\n\nAt that point, the abstraction starts to lose its purpose.\n\nWhy not use the ORM directly when there is no real complexity to hide?\n\nWhy do we default to intermediate layers that don’t truly represent either a service or a repository in their original sense?\n\nIt often feels like they add files, indirection, and noise without improving clarity.\n\nI’m not saying these layers are inherently bad. I’m trying to understand why they are so often applied by default, even when they don’t serve their actual purpose.\n\nDoes this approach really improve clarity, or does it just introduce unnecessary complexity?\n\nFor example, instead of organizing code around generic services per model, we could structure it around explicit use cases for concrete system actions. These would still live within an application/service layer in the sense described by Fowler, but without forcing a generic `ModelService` structure for everything.\n\nThe goal would be to design around intent rather than around structural templates—so the code reflects what the system *does*, not just how it is *layered*.", "author": "Character-Method-720", "subreddit": "programming", "score": 220, "upvoteRatio": 0.87, "numComments": 166, "createdAt": "2026-06-25T14:42:45.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://martinfowler.com/eaaCatalog/serviceLayer.html", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1uf8d96", "url": "https://youtu.be/u4Cv65F9DcY", "permalink": "https://www.reddit.com/r/programming/comments/1uf8d96/best_simple_system_for_now_daniel_terhorstnorth/", "title": "Best Simple System for Now • Daniel Terhorst-North", "body": "Software teams often face a false choice: move fast and accumulate technical debt, or build the perfect system and miss the deadline. But there may be a third path, the Best Simple System for Now (BSSN).\n\nThis session introduces a pragmatic yet principled approach to software design: systems that are as simple as possible but no simpler. 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In PHP.", "body": null, "author": "Old-Illustrator-8692", "subreddit": "programming", "score": 0, "upvoteRatio": 0.33, "numComments": 20, "createdAt": "2026-06-19T17:32:49.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://tomj.pro/i-replaced-json-with-a-custom-binary-format-in-php/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1ua2lxq", "url": "https://yusufaytas.com/old-software-was-fast-because-it-had-no-choice", "permalink": "https://www.reddit.com/r/programming/comments/1ua2lxq/old_software_was_fast_because_it_had_no_choice/", "title": "Old Software Was Fast Because It Had No Choice", "body": null, "author": "BlondieCoder", "subreddit": "programming", "score": 1410, "upvoteRatio": 0.94, "numComments": 378, "createdAt": "2026-06-19T13:52:26.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://yusufaytas.com/old-software-was-fast-because-it-had-no-choice", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u9z8i8", "url": "https://blog.cloudflare.com/build-your-own-vulnerability-harness/", "permalink": "https://www.reddit.com/r/programming/comments/1u9z8i8/build_your_own_vulnerability_harness/", "title": "Build your own vulnerability harness", "body": null, "author": "CircumspectCapybara", "subreddit": "programming", "score": 8, "upvoteRatio": 0.6, "numComments": 13, "createdAt": "2026-06-19T11:17:17.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://blog.cloudflare.com/build-your-own-vulnerability-harness/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u9yk1j", "url": "https://6it.dev/blog/infographics-operation-costs-in-cpu-clock-cycles-take-2-80736", "permalink": "https://www.reddit.com/r/programming/comments/1u9yk1j/efficient_c_programming_for_modern_c_cpus_chapter/", "title": "Efficient C++ Programming for Modern C++ CPUs, Chapter 4/part 2", "body": "# Efficient C++ Programming for Modern 64-bit CPUs, Chapter 4/part 2\n\nHere comes the 2nd installment of (VERY DRAFT) Chapters from my (and Dmytro Ivanchykhin's) upcoming book, *\"Efficient C++ Programming for Modern 64-bit CPUs\"*. Comments are extremely welcome (as before, we're committed to fixing all the issues highlighted in comments).\n\nSecond part of Chapter 4 (the one on CPU Physics and CPU Cycles): [https://6it.dev/blog/infographics-operation-costs-in-cpu-clock-cycles-take-2-80736](https://6it.dev/blog/infographics-operation-costs-in-cpu-clock-cycles-take-2-80736) . In addition to some interesting data (in particular, micro-research on the progress of MUL/DIV ops since 2017), it has that visualization of the different times quite a few ppl here have asked for.\n\n**DISCLAIMERS:**\n\n\\- it is VERY DRAFT (editing is coming)\n\n\\- this is not a book on optimizations (though some techniques will be covered in Appendices A and B in Vol. 2) - this is a book on de-pessimizations; for optimizations - please refer to the excellent book by Denis Bakhvalov (though we're sure that de-pessimizations should be seen as a prerequisite for optimizations 😉).", "author": "no-bugs", "subreddit": "programming", "score": 90, "upvoteRatio": 0.9, "numComments": 9, "createdAt": "2026-06-19T10:40:29.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://6it.dev/blog/infographics-operation-costs-in-cpu-clock-cycles-take-2-80736", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, 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is calculated directly from the table, it is interesting to study the indexing file structure as well\n\nIndex file structure has line pointers, TID called as tuple ID Tuple is the column value, the same column you registered for indexing, by using which Postgres calculates the actual physical address of the records from the disk to fetch it directly.\n\nPostgres has another interesting feature, while creating an index, it always sorts data and maintains ranges of pages in page 0 of the indexing, where Postgres can identify which page to look for and then load that page into memory, and then it becomes a leaf page, then binary search is performed to get the actual TID so that the record can be fetched directly\n\nFor an in-depth explanation about the index file structure, loading the index file into memory, and then searching for the actual record's address, check out the given link", "author": "Ok_Stomach6651", "subreddit": "programming", "score": 28, "upvoteRatio": 0.73, 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If you stick through it I suppose you can see what I saw. \n \n", "author": "ennamo_po_madhava", "subreddit": "programming", "score": 38, "upvoteRatio": 0.9, "numComments": 7, "createdAt": "2026-06-16T13:14:46.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://blog.yellowflash.in/posts/2026-06-15-polynomial-fit-a-rabbit-hole.html", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u7d7ja", "url": "https://danielpetrica.com/how-to-replace-raw-s3-urls-with-a-laravel-image-proxy-and-keep-your-cdn-cache/", "permalink": "https://www.reddit.com/r/programming/comments/1u7d7ja/stop_exposing_your_s3_bucket_urls_a_dead_simple/", "title": "Stop exposing your S3 bucket URLs. a dead simple image proxy with CDN caching", "body": "How I replaced all the ugly S3 URLs on my Laravel blog with clean /storage/media/... and /storage/og-images/... paths.\n\nThe setup: Laravel + Octane + Traefik + Cloudflare. 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I analyzed 14 well-maintained open-source projects between 2021-2026, excluding new ones developed only with AI. For duplication detection, I compared semantic similarity using [https://github.com/rafal-qa/slopo](https://github.com/rafal-qa/slopo) (I'm the author), not exact copies. This data can't prove or deny the claim, no trend is visible. 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Train your developers and TPMs!\n\n \n", "author": "casaaugusta", "subreddit": "programming", "score": 46, "upvoteRatio": 0.79, "numComments": 15, "createdAt": "2026-06-11T20:20:50.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://www.akamai.com/blog/security-research/cve-2026-9082-mitigating-critical-sql-injection-drupal", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u38a2j", "url": "https://openrun.dev/blog/service-binding/", "permalink": "https://www.reddit.com/r/programming/comments/1u38a2j/service_bindings_automated_database_access_for/", "title": "Service Bindings: Automated Database Access for Apps", "body": "Service binding is a feature which allows apps to get an isolated schema/database on a shared Postgres or MySQL. This post explain how it works.", "author": "avkijay", "subreddit": "programming", "score": 10, "upvoteRatio": 0.92, "numComments": 2, "createdAt": "2026-06-11T19:06:05.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://openrun.dev/blog/service-binding/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u388tg", "url": "https://archestra.ai/blog/drizzle-migration-linter", "permalink": "https://www.reddit.com/r/programming/comments/1u388tg/why_drop_column_breaks_rolling_deploys_and_a_ci/", "title": "Why DROP COLUMN breaks rolling deploys, and a CI linter to catch it", "body": "Author here. We kept writing migrations that were fine as a final schema but unsafe during the rollout itself - old pods still reading a column while new pods have already dropped it.\n\nDjango solved this ages ago with django-migration-linter, which I leaned on for years on Grafana OnCall.\n\nDrizzle has nothing like it, so we wrote one for our CI. It diffs new migrations against the base branch and fails on drops, renames, and required columns added in one step. \n\n\nIt’s buried in our monorepo right now. There’s an issue linked in the post if you’d want it published to npm.", "author": "joey-archestra", "subreddit": "programming", "score": 16, "upvoteRatio": 0.65, "numComments": 4, "createdAt": "2026-06-11T19:04:46.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://archestra.ai/blog/drizzle-migration-linter", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u32766", "url": "https://www.chiply.dev/post-emacs-svg-benchmark", "permalink": "https://www.reddit.com/r/programming/comments/1u32766/emacs_svg_benchmark_reveals_gamingcaliber_frame/", "title": "Emacs SVG Benchmark Reveals Gaming-Caliber Frame Rates", "body": null, "author": "misterchiply", "subreddit": "programming", "score": 14, "upvoteRatio": 0.66, "numComments": 4, "createdAt": "2026-06-11T15:25:50.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": 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out the full write-up here: [Implementing Redis Caching in Spring Boot](https://javatechonline.com/spring-boot-redis-cache-example/).", "author": "erdsingh24", "subreddit": "programming", "score": 0, "upvoteRatio": 0.29, "numComments": 0, "createdAt": "2026-06-11T12:43:03.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://javatechonline.com/spring-boot-redis-cache-example/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u2mue3", "url": "https://mail.openjdk.org/archives/list/jdk-dev@openjdk.org/message/AIA3O3LHFZ6T7TIPH7KZT4WS4B6U72U5/", "permalink": "https://www.reddit.com/r/programming/comments/1u2mue3/jep_401_being_merged_into_jdk_28/", "title": "JEP 401 being merged into JDK 28?", "body": null, "author": "davidalayachew", "subreddit": "programming", "score": 75, "upvoteRatio": 0.88, "numComments": 16, "createdAt": 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I am sharing this here because it might be interesting/educational for someone, if it isnt, let me know and i'll remove the post.\n\nLit is a nice lightweight UI framework, but i didnt like that it was using class-based components.\n\nVue has a nice approach but i prefer working with the syntax that React uses. I find it more intuitive for debugging and deterministic rendering. I wondered if with webcomponents, i could create a UI framework that didnt need to be transpiled.\n\n* [How its built](https://positive-intentions.com/docs/projects/dim/dim-jsx-webcomponents)\n* [Checkout the code](https://github.com/positive-intentions/dim)\n* [Storybook demo](https://dim.positive-intentions.com/)\n\n(My intentions with this framework is to get to a reasonable level of stability, to then replace React on some of my existing projects.)\n\nIMPORTANT: Im not trying to promote \"yet another ui framework\", this is an investigation to see what is possible. You should not use this framework in your own code. It is not production-ready. It is not on NPM. Im not looking for another framework to replace React (im trying to create it). This framework is intended for myself on my own projects. This project is far from finished. Feel free to reach out for clarity if you have any questions.", "author": "Accurate-Screen8774", "subreddit": "programming", "score": 0, "upvoteRatio": 0.36, "numComments": 3, "createdAt": "2026-06-10T11:20:23.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://positive-intentions.com/docs/projects/dim/dim-jsx-webcomponents", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u1t9yi", "url": "https://fagnerbrack.com/the-smart-dumb-programmer-a69b57634e87", "permalink": "https://www.reddit.com/r/programming/comments/1u1t9yi/the_smart_dumb_programmer/", "title": "The Smart Dumb Programmer", "body": null, "author": "fagnerbrack", "subreddit": "programming", "score": 0, "upvoteRatio": 0.32, "numComments": 33, "createdAt": "2026-06-10T05:40:43.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://fagnerbrack.com/the-smart-dumb-programmer-a69b57634e87", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u1ahi4", "url": "https://leetarxiv.substack.com/p/discrete-diffusion-modelling-by-estimating", "permalink": "https://www.reddit.com/r/programming/comments/1u1ahi4/inferencing_text_diffusion_models_in_python_and_c/", "title": "Inferencing Text Diffusion Models in Python and C", "body": null, "author": "DataBaeBee", "subreddit": "programming", "score": 4, "upvoteRatio": 0.61, "numComments": 0, "createdAt": "2026-06-09T16:44:45.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://leetarxiv.substack.com/p/discrete-diffusion-modelling-by-estimating", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u194jv", "url": "https://newsletter.signoz.io/p/how-to-read-distributed-traces-when", "permalink": "https://www.reddit.com/r/programming/comments/1u194jv/how_to_read_distributed_traces_when_you_didnt/", "title": "How to read distributed traces when you didn’t write the code", "body": null, "author": "elizObserves", "subreddit": "programming", "score": 23, "upvoteRatio": 0.87, "numComments": 0, "createdAt": "2026-06-09T15:57:06.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://newsletter.signoz.io/p/how-to-read-distributed-traces-when", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u1512l", "url": "https://safedep.io/inside-the-miasma-supply-chain-attack-toolkit/", "permalink": "https://www.reddit.com/r/programming/comments/1u1512l/someone_actually_leaked_the_miasma_supply_chain/", "title": "someone actually leaked the Miasma supply chain attack toolkit source code on github", "body": "we saw that multiple github repos name as Miasma-Open-Source-Release started appearing yesterday which was pushed by a compromised developer accounts. then we pulled the source to dig deeper. And calling it a worm would be very small its kind of a complete supply chain framework you can see which is having `ARCHITECTURE`.md integration test etc. so it was kind of a product. \nARCHITECTURE.md was saying that it requires no C2 infrastructure and not have to deal with takedowns or maintaining infrastructure. it just stolen github PATs is only what is necessary.", "author": "BattleRemote3157", "subreddit": "programming", "score": 243, "upvoteRatio": 0.94, "numComments": 18, "createdAt": "2026-06-09T13:29:08.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://safedep.io/inside-the-miasma-supply-chain-attack-toolkit/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u149mq", "url": "https://plain.jxd.dev/blog/realtime", "permalink": 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"numComments": 0, "createdAt": "2026-06-08T22:57:44.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://robinsiep.com/blog/posts/go-logs/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u0m4sm", "url": "https://mostafa.dev/building-a-detection-layer-on-postgresql-with-sigma-rules-042caeb42b2a?source=friends_link&sk=d2e407f7fa902a63d91513a65ff64ab4", "permalink": "https://www.reddit.com/r/programming/comments/1u0m4sm/building_a_detection_layer_on_postgresql_with/", "title": "Building a Detection Layer on PostgreSQL with Sigma Rules", "body": null, "author": "Happycodeine", "subreddit": "programming", "score": 13, "upvoteRatio": 0.9, "numComments": 0, "createdAt": "2026-06-08T21:56:28.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": 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When float division beats integer division", "body": "I've started a series of short blog posts about hot path optimizations. This first one covers a counterintuitive optimization: replacing integer division (`IDIVQ`) with floating-point division (`DIVSD`).", "author": "watman12", "subreddit": "programming", "score": 147, "upvoteRatio": 0.95, "numComments": 36, "createdAt": "2026-06-08T12:30:52.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://blog.andr2i.com/posts/2026-06-08-optimization-catalog-when-float-division-beats-integer-division", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u04bdc", "url": "https://cekrem.github.io/posts/native-elm/", "permalink": "https://www.reddit.com/r/programming/comments/1u04bdc/native_elm_the_real_kind_this_time_cekremgithubio/", "title": "Native Elm (the real kind this time) · cekrem.github.io", "body": null, "author": "cekrem", "subreddit": "programming", "score": 39, "upvoteRatio": 0.77, "numComments": 21, "createdAt": "2026-06-08T10:45:32.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://cekrem.github.io/posts/native-elm/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1u013qa", "url": "https://medium.com/@realmerlyn/the-day-i-decided-never-to-learn-python-2c59d1a1edc5", "permalink": "https://www.reddit.com/r/programming/comments/1u013qa/the_day_i_decided_never_to_learn_python/", "title": "The Day I Decided Never to Learn Python", "body": null, "author": "Active-Fuel-49", "subreddit": "programming", "score": 0, "upvoteRatio": 0.28, "numComments": 15, "createdAt": "2026-06-08T07:40:03.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://medium.com/@realmerlyn/the-day-i-decided-never-to-learn-python-2c59d1a1edc5", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tzxrpz", "url": "https://play.google.com/store/apps/details?id=com.pixelcraftlabs.algoscroll", "permalink": "https://www.reddit.com/r/programming/comments/1tzxrpz/building_a_spaced_repetition_system_that_adapts/", "title": "Building a spaced repetition system that adapts to user pace in real-time (Kotlin/Compose)", "body": "I built a flashcard app for interview prep and wanted to share some of the more interesting technical problems I ran into. The app has 1500+ questions across DSA and System Design, and the core challenge was: how do you order cards intelligently without it feeling robotic?\n\n**Problem 1: Slot Assignment for Spaced Repetition**\n\nStandard SR (like Anki) just shows the most overdue card next. That works for vocabulary but feels terrible for algorithms because you get 3 Hard questions in a row and want to quit.\n\nMy approach: generate a target difficulty pattern (Easy, Medium, Easy, Medium, Hard, repeat) based on a 40/40/20 distribution, then assign due cards to matching-difficulty slots. Most-overdue cards get placed first within their tier. Unseen cards fill remaining slots.\n\nThis means a Hard card that's overdue still lands in a Hard slot, not position 1. You get difficulty variety while still seeing overdue cards at the right time.\n\n fun assignSlots(pool: List, dueCards: List): List {\n val pattern = generatePattern(size = pool.size, distribution = \"40/40/20\")\n val dueByDifficulty = dueCards.groupBy { it.difficulty }\n val result = Array(pattern.size) { null }\n \n \n // Place due cards in matching slots, most overdue first\n for ((difficulty, cards) in dueByDifficulty) {\n val sorted = cards.sortedBy { it.nextReviewDate }\n val availableSlots = pattern.indices.filter { pattern[it] == difficulty && result[it] == null }\n sorted.zip(availableSlots).forEach { (card, slot) -> result[slot] = findQuestion(card, pool) }\n }\n \n \n // Fill remaining with unseen\n \n // ...\n }\n \n\n**Problem 2: Re-ranking after every swipe without jank**\n\nAfter each swipe, the deck needs to re-rank. But the top visible card (position 0) is already animating into view, so you can't move it. Solution: lock position 0, re-rank positions 1+, then check for constraint violations across the boundary (e.g., if locked card is Hard and new position 1 is also Hard, swap position 1 with the first non-Hard card deeper in the deck).\n\nThis runs on every swipe so it needs to be fast. For 1000 cards, the greedy scoring + constraint check takes <2ms on a Pixel 6.\n\n**Problem 3: Encrypting 1500 questions without startup lag**\n\nThe question bank is AES-256-CBC encrypted in the APK (prevents trivial extraction). Decryption of 1.2MB happens on first load. On older devices this took 400ms, which blocked the UI. Moved it to [`Dispatchers.IO`](http://Dispatchers.IO) with a loading skeleton. The key is split across 4 byte arrays in the code to make static analysis harder (not bulletproof, but raises the bar above `strings` on the APK).\n\n**Problem 4: Two-deck mode switching with shared progress**\n\nThe app has DSA and System Design as separate decks. Both share the same Room database for progress (same ProgressEntity table, IDs just have different prefixes). When switching modes, the current deck state is cached in memory so you can come back to where you left off. The tricky bit: daily goal and streak count swipes from both decks combined, but the ranker operates independently per deck.\n\n**Problem 5: Animated sketches synced with code**\n\nEach question can have a multi-step visual (array state changes, graph traversals). Steps are defined as data (JSON with cell states, highlights, pointers) and rendered by a custom Compose canvas. Code lines are highlighted in sync with each step via a `codeLines` map per step. The renderer handles 6 visualization types (array, tree, linked list, matrix, graph, string) with a single composable that dispatches by type.\n\nStack: Kotlin, Jetpack Compose (Material 3), Room, Firebase, custom spaced repetition + ranking engine.\n\nApp: [https://play.google.com/store/apps/details?id=com.pixelcraftlabs.algoscroll](https://play.google.com/store/apps/details?id=com.pixelcraftlabs.algoscroll)\n\nIf anyone's interested in the ranking algorithm details or the sketch rendering system, happy to go deeper.", "author": "No-Position-7728", "subreddit": "programming", "score": 17, "upvoteRatio": 0.76, "numComments": 2, "createdAt": "2026-06-08T04:33:49.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://play.google.com/store/apps/details?id=com.pixelcraftlabs.algoscroll", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": 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He covers his approach to memory management, how he employs metaprogramming, writing scripts with D, and more.", "author": "aldacron", "subreddit": "programming", "score": 34, "upvoteRatio": 0.81, "numComments": 7, "createdAt": "2026-05-29T09:47:49.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://blog.dlang.org/2026/05/29/i-stopped-fighting-my-tools-and-built-a-game-engine-in-d/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tqwksq", "url": "https://safedep.io/microsoftsystem64-binary-payload-analysis/", "permalink": "https://www.reddit.com/r/programming/comments/1tqwksq/someone_hid_a_full_rat_inside_a_fake_npm_package/", "title": "Someone hid a full RAT inside a fake npm package and exfiltrated victim data to HuggingFace", "body": "A malicious npm package name `js-logger-pack`, went through 29 versions on the registry which was looking innocuous logger and ending as a binary dropper. \nThe payload it dropped was 81 MB of binary called MicrosoftSystem64 which is a full cross-platform RAT packaged as a Node.js Single Executable Application, so it shows up as a native binary to endpoint tools rather than a node process.\n\nAnd the clever bit was instead of sending the stolen data directly to a C2 server, it uploads everything to private **HuggingFace** datasets using an embedded API token. So all exfiltration traffic appears as normal HTTPS requests to a legitimate ML platform. \nIf you have any of those in your install history then rotate everything like credentials, SSH keys, API tokens, crypto seed phrases. All packages list and full technical breakdown is in blog.", "author": "BattleRemote3157", "subreddit": "programming", "score": 870, "upvoteRatio": 0.97, "numComments": 96, "createdAt": "2026-05-29T09:34:28.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://safedep.io/microsoftsystem64-binary-payload-analysis/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tqisnn", "url": "https://www.inngest.com/blog/node-worker-threads", "permalink": "https://www.reddit.com/r/programming/comments/1tqisnn/nodejs_worker_threads_are_problematic_but_they/", "title": "Node.js worker threads are problematic, but they work great for us", "body": null, "author": "fagnerbrack", "subreddit": "programming", "score": 32, "upvoteRatio": 0.71, "numComments": 49, "createdAt": "2026-05-28T22:32:09.000Z", "isNsfw": false, "flair": null, "media": { "kind": 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"title": "How 2004 RuneScape fit a multiplayer RPG into 56k dial-up", "body": null, "author": "jkmonger", "subreddit": "programming", "score": 667, "upvoteRatio": 0.96, "numComments": 38, "createdAt": "2026-05-28T15:00:18.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://jkm.dev/posts/how-2004-runescape-fit-a-multiplayer-rpg-into-56k-dialup/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tq568g", "url": "https://mark.engineer/2026/05/how-bad-was-the-intel-iapx-432-lets-find-out-in-practice/", "permalink": "https://www.reddit.com/r/programming/comments/1tq568g/benchmarking_real_iapx_432/", "title": "Benchmarking real iAPX 432", "body": null, "author": "mark-engineer", "subreddit": "programming", "score": 18, "upvoteRatio": 0.89, "numComments": 0, "createdAt": "2026-05-28T14:24:32.000Z", "isNsfw": false, "flair": null, 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"permalink": "https://www.reddit.com/r/programming/comments/1tq0lqp/stream_plumbing_in_embedded_systems/", "title": "Stream Plumbing in Embedded Systems", "body": "I've been documenting some thoughts on stream plumbing in embedded systems, based on my own frustrations encountered while interfacing modules on constrained platforms.\n\nMostly just an attempt to formalise patterns I've found to be working well recently.\n\nInterested in hearing how others approach this.", "author": "MickJC_75", "subreddit": "programming", "score": 7, "upvoteRatio": 0.89, "numComments": 1, "createdAt": "2026-05-28T11:19:02.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://gist.github.com/mickjc750/556fa3b6bb62f383ff2b4b6b99d84faa", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tpz0os", "url": "https://github.com/apache/fory/releases/tag/v1.0.0", "permalink": "https://www.reddit.com/r/programming/comments/1tpz0os/apache_fory_serialization_100_released_now/", "title": "Apache Fory Serialization 1.0.0 Released Now", "body": "Hi everyone,\n\nApache Fory 1.0 has been released recently.\n\nFory is a fast multi-language serialization framework for native objects, Schema IDL, and cross-language data exchange. It supports Java, Python, C++, Go, Rust, JavaScript/TypeScript, C#, Swift, Dart, Scala, and Kotlin.\n\nThe main idea is simple: in many systems, data is not just a flat schema message. Applications often need to serialize idiomatic domain objects, nested containers, polymorphic types, object references, shared references, or even circular object graphs. Fory is designed to handle these cases efficiently while still supporting cross-language data exchange when needed.\n\nWith 1.0, Fory has reached a more stable point:\n\n* Cross-language serialization is now the default path across supported languages\n* Schema IDL supports richer object models, including shared and circular references\n* Decimal and bfloat16 support were added\n* Nested container and field codec support has improved across runtimes\n* Kotlin, Scala, Android, Swift, and Dart support have been expanded\n* Benchmarks and documentation have been refreshed\n\nFory is not meant to replace Protobuf everywhere. Protobuf is still a great choice for many schema-first API contracts. Fory is more focused on cases where you want high-performance serialization while preserving more of the native object model, or where the same data model needs to move across multiple runtimes without too much glue code.\n\nLinks:\n\n* GitHub: [https://github.com/apache/fory](https://github.com/apache/fory) \n* Website: [https://fory.apache.org/](https://fory.apache.org/) \n* Release note: [https://fory.apache.org/blog/fory\\_1\\_0\\_0\\_release/](https://fory.apache.org/blog/fory_1_0_0_release/)\n\nI would be interested in feedback from people who have worked with Protobuf, FlatBuffers, Kryo, JDK serialization, pickle/cloudpickle, Avro, MessagePack, or Arrow-based systems.\n\nWhat serialization problems are still painful in your multi-language systems?", "author": "Shawn-Yang25", "subreddit": "programming", "score": 14, "upvoteRatio": 0.81, "numComments": 3, "createdAt": "2026-05-28T09:58:05.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://github.com/apache/fory/releases/tag/v1.0.0", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tpvbpx", "url": "https://okmij.org/ftp/Algorithms/map-monoid-reduce.html", "permalink": "https://www.reddit.com/r/programming/comments/1tpvbpx/folding_in_parallel/", "title": "Folding in Parallel", "body": null, "author": "Xaneris47", "subreddit": "programming", "score": 118, "upvoteRatio": 0.97, "numComments": 9, "createdAt": "2026-05-28T06:28:32.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://okmij.org/ftp/Algorithms/map-monoid-reduce.html", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tpl0e4", "url": "https://shbhmrzd.github.io/ai/ml-foundations/llm-training/2026/05/27/how-llms-process-text.html", "permalink": "https://www.reddit.com/r/programming/comments/1tpl0e4/how_llms_work_part_1_how_llms_process_text/", "title": "How LLMs Work, Part 1: How LLMs Process Text", "body": "I am a software developer who has been using LLMs extensively at work. I wanted to develop a foundational understanding of LLMs, but have no background in machine learning or statistics. So, I started to read and take notes with the goal to eventually write up a developer's guide to the foundations of LLMs. The article kept growing, so I have split it into four parts. 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", "author": "Comfortable-Fan-580", "subreddit": "programming", "score": 10, "upvoteRatio": 0.71, "numComments": 1, "createdAt": "2026-05-24T12:22:36.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://youtu.be/zRwv6piW8JY?si=Fw_P8onoK0rXPBE_", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tlzo76", "url": "https://blog.gaborkoos.com/posts/2025-09-19-The-Database-Zoo-Exotic-Data-Storage-Engines/", "permalink": "https://www.reddit.com/r/programming/comments/1tlzo76/the_database_zoo_exotic_data_storage_engines_why/", "title": "The Database Zoo: Exotic Data Storage Engines - why SQL and NoSQL aren't enough anymore", "body": "The post walks through the history of SQL and NoSQL, then makes the case for why general-purpose databases can't handle every modern workload and why a whole ecosystem of specialized engines emerged to fill the gaps. It's the first post in a series covering time-series, vector, and probabilistic databases in depth.", "author": "OtherwisePush6424", "subreddit": "programming", "score": 76, "upvoteRatio": 0.83, "numComments": 38, "createdAt": "2026-05-24T02:39:52.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://blog.gaborkoos.com/posts/2025-09-19-The-Database-Zoo-Exotic-Data-Storage-Engines/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tlvrmh", "url": "https://developer.chrome.com/blog/declarative-partial-updates", "permalink": "https://www.reddit.com/r/programming/comments/1tlvrmh/chrome_proposes_new_apis_declarative_partial/", "title": "Chrome proposes new APIs: Declarative partial updates", "body": null, "author": "imbev", "subreddit": "programming", "score": 438, "upvoteRatio": 0.95, "numComments": 106, "createdAt": "2026-05-23T23:39:03.000Z", "isNsfw": false, "flair": "Editorialized Title", "media": { "kind": "link", "url": "https://developer.chrome.com/blog/declarative-partial-updates", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tlkzt3", "url": "https://brooker.co.za/blog/2026/02/25/sfq.html", "permalink": "https://www.reddit.com/r/programming/comments/1tlkzt3/sfq_simple_stateless_stochastic_fairness/", "title": "SFQ: Simple, Stateless, Stochastic Fairness", "body": null, "author": "fagnerbrack", "subreddit": "programming", "score": 19, "upvoteRatio": 0.86, "numComments": 2, "createdAt": "2026-05-23T16:25:18.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://brooker.co.za/blog/2026/02/25/sfq.html", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tli2gg", "url": "https://seriot.ch/computation/jira.html", "permalink": "https://www.reddit.com/r/programming/comments/1tli2gg/jira_is_turingcomplete/", "title": "Jira IS Turing-complete", "body": "The proof the folklore was missing.", "author": "Dull_Replacement8890", "subreddit": "programming", "score": 383, "upvoteRatio": 0.93, "numComments": 52, "createdAt": "2026-05-23T14:31:21.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://seriot.ch/computation/jira.html", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tlh5aj", "url": "https://www.reddit.com/r/programming/comments/1tlh5aj/announcement_weve_updated_the_rules_and_april_is/", "permalink": "https://www.reddit.com/r/programming/comments/1tlh5aj/announcement_weve_updated_the_rules_and_april_is/", "title": "Announcement: We've Updated The Rules, and April Is Finally Over", "body": "After [temporarily banning LLM-related content over April](https://www.reddit.com/r/programming/comments/1s9jkzi/announcement_temporary_llm_content_ban/), and [asking you for feedback on that ban](https://www.reddit.com/r/programming/comments/1t4odyl/looking_for_feedback_on_ai_content_in/), we've decided to bring about an end of the temporary, I-can't-believe-it's-still-April ban on AI-related posts.\n\nReplacing the trial rule is a new shiny rule that refers to our new shiny [AI policy](https://www.reddit.com/r/programming/wiki/ai-policy/). In short:\n\n> Content about AI and LLMs are considered off-topic with the sole exclusion of **deeply technical** content about implementation.\n\nAnd if you want more detail than that, go read the policy, that's what it's there for.\n\nIn addition, when writing that rule, I realized the rules weren't listed on the [old.reddit.com](http://old.reddit.com) sidebar, so that's been updated. For those of you who are seeing those rules for the first time, everything there is not new. We've been enforcing those rules as best we can for ages. You can click the link above those to get to the old.reddit rules page, with plenty of info that doesn't exactly read well when crammed into a sidebar.", "author": "ChemicalRascal", "subreddit": "programming", "score": 950, "upvoteRatio": 0.94, "numComments": 181, "createdAt": "2026-05-23T13:54:37.000Z", "isNsfw": false, "flair": null, "media": { "kind": "text", "url": "https://www.reddit.com/r/programming/comments/1tlh5aj/announcement_weve_updated_the_rules_and_april_is/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tleq8t", "url": "https://codeutopia.net/blog/2026/05/23/applying-metaphors-from-other-fields-into-software-development/", "permalink": "https://www.reddit.com/r/programming/comments/1tleq8t/applying_metaphors_from_other_fields_into/", "title": "Applying metaphors from other fields into software development", "body": null, "author": "jhartikainen", "subreddit": "programming", "score": 33, "upvoteRatio": 0.76, "numComments": 17, "createdAt": "2026-05-23T12:08:25.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://codeutopia.net/blog/2026/05/23/applying-metaphors-from-other-fields-into-software-development/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tlaj3y", "url": "https://youtu.be/3S3wQ0ldIKs", "permalink": "https://www.reddit.com/r/programming/comments/1tlaj3y/clojure_anonymous_functions/", "title": "Clojure Anonymous Functions", "body": null, "author": "Efficient-Public-551", "subreddit": "programming", "score": 3, "upvoteRatio": 0.67, "numComments": 0, "createdAt": "2026-05-23T08:19:52.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://youtu.be/3S3wQ0ldIKs", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tkxx4e", "url": "https://blog.gaborkoos.com/posts/2026-05-22-How-I-Built-a-Confluence-Crawler/", "permalink": "https://www.reddit.com/r/programming/comments/1tkxx4e/how_i_built_a_confluence_crawler/", "title": "How I Built a Confluence Crawler", "body": "A writeup about building `confluence2md`, a Go CLI tool that converts Confluence wikis to Markdown and the surprisingly deep technical challenges along the way.\n\nThe article covers:\n\n* Two-phase crawling: Phase 1 fetches and converts pages with original URLs, Phase 2 rewrites links after knowing the complete page graph (so nothing breaks)\n* Why converting Confluence storage format is painful (XML macros, link rewriting, pagination)\n* Checkpoint-based incremental updates without losing progress\n* Cross-platform release automation with GitHub Actions + GoReleaser\n\nThe tool is open-source and ready to use. If you've ever needed to migrate off Confluence or build on wiki data, might be useful: [https://github.com/gkoos/confluence2md](https://github.com/gkoos/confluence2md)", "author": "OtherwisePush6424", "subreddit": "programming", "score": 11, "upvoteRatio": 0.66, "numComments": 14, "createdAt": "2026-05-22T22:21:23.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://blog.gaborkoos.com/posts/2026-05-22-How-I-Built-a-Confluence-Crawler/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tkxs4c", "url": "https://github.com/WilliamSmithEdward/pyOpenVBA/blob/main/docs/ms-ovba-implementation-guide_v2.md", "permalink": "https://www.reddit.com/r/programming/comments/1tkxs4c/writing_vba_modules_inside_excel_files_is_much/", "title": "Writing VBA modules inside Excel files is much stranger than I expected", "body": "# Writing VBA back into Excel files is not “just editing text in a zip file”\n\nI went down the rabbit hole of exploring how VBA modules are stored inside Office files, and the format is much stranger than I expected.\n\nThe most surprising part is how many layers are involved.\n\nFor a modern `.xlsm` file, the path looks roughly like this:\n\n```text\nExcel workbook\n -> ZIP / Open XML package\n -> xl/vbaProject.bin\n -> Microsoft Compound File Binary\n -> VBA project streams\n -> compressed module source\n```\n\nSo replacing a VBA module is not just:\n\n```text\nopen file\nreplace text\nsave file\n```\n\nIt is closer to:\n\n```text\npreserve the workbook container\nextract vbaProject.bin\nparse the compound file\ndecompress the VBA streams\nfind the real source offset\nreplace only the source body\nrecompress it correctly\ninvalidate Office caches\ndrop stale compiled-cache streams\navoid breaking protected or signed projects\nput everything back without touching unrelated bytes\n```\n\nA few details made this more interesting than expected:\n\n* the `dir` stream is itself compressed\n* module source does not always start at byte zero\n* VBA source uses the project codepage, not UTF-8\n* short final compression chunks cannot be written as raw chunks\n* Office stores compiled cache streams that should not be rewritten\n* digital signatures become invalid after source changes\n* the real test is “does Excel reopen it without a \"your workbook is broken\" prompt?”\n\nThe main lesson:\n\nEditing VBA inside Office files is not just editing a script file inside of a zip file. It's way more complicated. You have to maintain a small filesystem, a compression format, a project manifest, and a set of Office-specific safety rules at the same time.\n\nImplementation guide:\n\nhttps://github.com/WilliamSmithEdward/pyOpenVBA/blob/main/docs/ms-ovba-implementation-guide_v2.md\n\nReferences:\n\n* Microsoft MS-OVBA specification\n* Microsoft Compound File Binary format\n* Office Open XML package structure\n* Real Excel workbooks tested against Excel for Microsoft 365\n", "author": "MultiUserDungeonDev", "subreddit": "programming", "score": 46, "upvoteRatio": 0.78, "numComments": 11, "createdAt": "2026-05-22T22:16:06.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://github.com/WilliamSmithEdward/pyOpenVBA/blob/main/docs/ms-ovba-implementation-guide_v2.md", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tkxgmb", "url": 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"subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tkhf5j", "url": "https://youtu.be/d7CSWoEKc28", "permalink": "https://www.reddit.com/r/programming/comments/1tkhf5j/cdi_programable/", "title": "CDI Programable", "body": null, "author": "RoutineLog8764", "subreddit": "programming", "score": 0, "upvoteRatio": 0.31, "numComments": 0, "createdAt": "2026-05-22T12:24:06.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://youtu.be/d7CSWoEKc28", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tkh0w0", "url": "https://hellmood.111mb.de//wake_up_16b_writeup.html", "permalink": "https://www.reddit.com/r/programming/comments/1tkh0w0/16_bytes_of_code_that_turn_sierpinski_waves_into/", "title": "16 bytes of code that turn Sierpinski waves into Matrix rain", "body": "Hey babe, stop what you're doing, HellMood dropped another WriteUp xD \nJokes aside, this is an in depth explanation of the underlying math that allow **16 bytes** of **x86 code** to produce a visual textmode effect *and* music at the same time. \"MiragePT\", a demo scener, let the thing run on a real old 286 system with MDA Hercules graphics and it ran there as well. Also included some background information that i was asked for. Since i have done this for so many years i might have left out details you might find interesting. 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That's Norway problem", "body": null, "author": "fagnerbrack", "subreddit": "programming", "score": 301, "upvoteRatio": 0.9, "numComments": 170, "createdAt": "2026-05-20T22:29:45.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://lab174.com/blog/202601-yaml-norway/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tj0mwv", "url": "https://kant2002.github.io/en/obfuscators/2026/05/20/how-to-build-obfuscator-part-iii.html", "permalink": "https://www.reddit.com/r/programming/comments/1tj0mwv/how_to_build_net_obfuscator_part_iii/", "title": "How to build .NET obfuscator Part III", "body": null, "author": "kant2002", "subreddit": "programming", "score": 4, "upvoteRatio": 0.67, "numComments": 0, "createdAt": "2026-05-20T22:03:59.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://kant2002.github.io/en/obfuscators/2026/05/20/how-to-build-obfuscator-part-iii.html", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tivw33", "url": "https://neciudan.dev/github-actions-poisoning", "permalink": "https://www.reddit.com/r/programming/comments/1tivw33/httpsneciudandevgithubactionspoisoning/", "title": "https://neciudan.dev/github-actions-poisoning", "body": null, "author": "creasta29", "subreddit": "programming", "score": 0, "upvoteRatio": 0.33, "numComments": 1, "createdAt": "2026-05-20T19:18:19.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://neciudan.dev/github-actions-poisoning", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tioh44", "url": "https://www.chiply.dev/post-annotate-in-place", "permalink": "https://www.reddit.com/r/programming/comments/1tioh44/annotateinplace_notes_with_emacs_and_orgremark/", "title": "Annotate-in-Place Notes with Emacs and org-remark", "body": "What makes this pattern so elegant to me is the familiarity of its experience. I don't know about you, but I've been annotating books and taking notes with pencils and pens for almost my entire life, and this is often the most engaging and soul-lifting experience. There is a *je ne sais quoi* in this interaction that makes me feel closer to, if not part of, the thing I'm reading. This is a physical annotate-in-place, and it works beautifully.\n\nI've been long searching for a cognitive bridge between the ergonomics of putting pen to source text with the infinite flexibility of a software solution. annotate-in-place is the pattern that provides that bridge, and org-remark in Emacs is one implementation of that pattern. With it, digital note taking feel as intuitive and ergonomic to me as note taking on a physical medium.", "author": "misterchiply", "subreddit": "programming", "score": 1, "upvoteRatio": 0.6, "numComments": 0, "createdAt": "2026-05-20T15:06:38.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://www.chiply.dev/post-annotate-in-place", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1timjny", "url": "https://dotat.at/@/2026-01-12-hqlr.html", "permalink": "https://www.reddit.com/r/programming/comments/1timjny/hybrid_quotalinear_rate_limiter_tony_finch/", "title": "hybrid quota-linear rate limiter – Tony Finch", "body": null, "author": "fagnerbrack", "subreddit": "programming", "score": 4, "upvoteRatio": 0.71, "numComments": 1, "createdAt": "2026-05-20T13:58:39.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": 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"https://www.reddit.com/r/programming/comments/1tij6js/virtual_museum_with_every_operating_system_you/", "title": "Virtual Museum with Every Operating System You Can Think Of", "body": null, "author": "MorroWtje", "subreddit": "programming", "score": 182, "upvoteRatio": 0.93, "numComments": 33, "createdAt": "2026-05-20T11:45:28.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://virtualosmuseum.org", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1tiil62", "url": "https://cybersecuritynews.com/nginx-buffer-overflow-vulnerability", "permalink": "https://www.reddit.com/r/programming/comments/1tiil62/new_nginx_vulnerability_allows_unauthenticated_rce/", "title": "New NGINX Vulnerability Allows Unauthenticated RCE", "body": null, "author": "CircumspectCapybara", "subreddit": "programming", "score": 145, "upvoteRatio": 0.77, "numComments": 32, "createdAt": "2026-05-20T11:17:53.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://cybersecuritynews.com/nginx-buffer-overflow-vulnerability", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1thze09", "url": "https://krebsonsecurity.com/2026/05/cisa-admin-leaked-aws-govcloud-keys-on-github/", "permalink": "https://www.reddit.com/r/programming/comments/1thze09/cisa_accidentally_leaked_their_own_keys_on_github/", "title": "CISA accidentally leaked their own keys on GitHub", "body": null, "author": "PM-ME-UR-DARKNESS", "subreddit": "programming", "score": 590, "upvoteRatio": 0.98, "numComments": 39, "createdAt": "2026-05-19T20:31:34.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://krebsonsecurity.com/2026/05/cisa-admin-leaked-aws-govcloud-keys-on-github/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1thx3xb", "url": "https://anishathalye.com/inverting-photodna/", "permalink": "https://www.reddit.com/r/programming/comments/1thx3xb/inverting_photodna/", "title": "Inverting PhotoDNA", "body": null, "author": "yawara25", "subreddit": "programming", "score": 78, "upvoteRatio": 0.86, "numComments": 15, "createdAt": "2026-05-19T19:13:35.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://anishathalye.com/inverting-photodna/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1thv9tj", "url": "https://jkm.dev/posts/cities-skylines-trading-market/", "permalink": "https://www.reddit.com/r/programming/comments/1thv9tj/how_cities_skylines_uses_a_stockmarket_analogy_to/", "title": "How Cities: Skylines uses a stock-market analogy to drive almost everything in the game", "body": "I wanted to find out how **Cities: Skylines** drives the constant motion you see in a growing city - residents looking for jobs, tourists visiting attractions, garbage trucks doing their rounds, even cims looking for love - and I couldn’t find much written up about it. So I decompiled the game and dug in. What I found is that almost every interaction in the game runs through a single, elegant system: a stock-market-style trading market.\n\n\\---\n\nI wrote this post a few years back, and recently updated it to add detail to areas I thought lacked sufficient explanation.\n\nI found it really interesting to explore how Colossal Order built such a versatile system, hopefully you will find it an interesting read.\n\nPlease let me know if you have any comments or questions! Thanks for reading.", "author": "jkmonger", "subreddit": "programming", "score": 208, "upvoteRatio": 0.96, "numComments": 11, "createdAt": "2026-05-19T18:12:57.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://jkm.dev/posts/cities-skylines-trading-market/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1thq1un", "url": "https://blog.jacobstechtavern.com/p/the-7-deadly-sins-of-cargo-culting", "permalink": "https://www.reddit.com/r/programming/comments/1thq1un/the_7_deadly_sins_of_cargo_culting/", "title": "The 7 Deadly Sins of Cargo Culting", "body": null, "author": "jacobs-tech-tavern", "subreddit": "programming", "score": 0, "upvoteRatio": 0.16, "numComments": 5, "createdAt": "2026-05-19T15:17:04.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://blog.jacobstechtavern.com/p/the-7-deadly-sins-of-cargo-culting", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1thncdv", "url": "https://haskellforall.com/2026/05/type-out-the-code", "permalink": "https://www.reddit.com/r/programming/comments/1thncdv/type_out_the_code/", "title": "Type out the code", "body": null, "author": "Tekmo", "subreddit": "programming", "score": 151, "upvoteRatio": 0.92, "numComments": 15, "createdAt": "2026-05-19T13:40:41.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://haskellforall.com/2026/05/type-out-the-code", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1thf964", "url": "https://www.seangoedecke.com/the-just-say-no-engineer-was-a-zirp-phenomenon/", "permalink": "https://www.reddit.com/r/programming/comments/1thf964/the_justsayno_engineer_was_a_zirp_phenomenon/", "title": "The just-say-no engineer was a ZIRP phenomenon", "body": null, "author": "radozok", "subreddit": "programming", "score": 250, "upvoteRatio": 0.9, "numComments": 56, "createdAt": "2026-05-19T07:14:11.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://www.seangoedecke.com/the-just-say-no-engineer-was-a-zirp-phenomenon/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1thewau", "url": "https://github.com/grayj/Jedi-Academy", "permalink": "https://www.reddit.com/r/programming/comments/1thewau/raven_software_released_the_jedi_academy_source/", "title": "Raven Software released the Jedi Academy source code in 2013 and the dev comments are crunch rage", "body": "So I was thinking about JKA, a game I easily had over 10k hours in back when I was a teen, and stumbled across this piece of history.\n\nIt turns out that back in 2013, right when Disney bought Lucasfilm and shut down LucasArts, the devs at Raven Software panicked that their work would get locked in a vault forever. So they hastily dumped the entire source code for Jedi Outcast and Jedi Academy online.\n\nBecause it was a sudden dump, they didn't sanitize any of the internal dev comments. The whole thing is a time capsule of stressed-out programmers losing their minds trying to make lightsaber physics work in the Quake 3 engine.\n\nIf you look at the main combat file (`bg_saber.c`), the entire lightsaber melee system is essentially one massive 5000-line switch spaghetti statement.\n\nI scoured the codebase and found some GOATed comments:\n\n**1. sv\\_savegame.cpp** \\- A dev had to write a fake loading loop just to keep a \"Saving\" popup on the screen long enough for the player to read it.\n\n // I'm going to jump in front of a fucking bus if I ever have to do something so hacky in the future. \n int startOfFunction = Sys_Milliseconds(); \n // ...a few dozen lines later... \n // The first thing that the deferred script is going to do is to close the \"Saving\" \n // popup, but we need it to be up for at least a second, so sit here in a fucking \n // busy-loop. See note at start of function, re: bus.\n\n**2. AI\\_Jedi.cpp** \\- Trying to program bots to use force powers and navigate 3D maps on a 2003 CPU was clearly a bad time.\n\n { //fuck, jump instead\n { //fuck it, just force it\n\n**3. Dismemberment (G2\\_bones.cpp)** \\- JKA used a custom skeletal animation system to handle cutting off limbs. Overriding joint angles manually led to this note.\n\n // why I should need do this Fuck alone knows. But I do.\n\n**4. bg\\_pmove.cpp** \\- Someone spent way too long trying to get character models to stop sliding on flat surfaces.\n\n { //on ground and not moving and on level ground, no reason to do stupid fucking gravity with the clipvelocity!!!!\n\n**5. NPC\\_reactions.cpp** \\- The actual code logic for when you stand there holding your crosshair directly on a friendly NPC's face.\n\n //ask them what the fuck they're doing\n\n**6. Quake Math (q\\_math.cpp)** \\- This famous bit hacking trick was inherited directly from John Carmack’s Quake 3 engine. Even the Raven devs reading it years later had no clue how it worked.\n\n i = 0x5f3759df - ( i >> 1 ); // what the fuck?\n\n**7. mhead.c** \\- When the engine hits corrupted MP3 or WAV file data headers.\n\n return 0; // fuck knows what this is, but it ain't one of ours...\n\n**8. Fatal crash error (win\\_glimp.cpp)** \\- What happens if the graphics renderer completely fails to load on Windows.\n\n // error box that'll only appear if something's seriously fucked then I'm going to fallback to\n\n**9. Win32 rage (ModView tool)** \\- Anyone who has fought the Win32 API will appreciate this function name used to force the UI to update the document title bar.\n\n void FuckingWellSetTheDocumentNameAndDontBloodyIgnoreMeYouCunt(LPCSTR psDocName) {\n if (gpLastOpenedModViewDoc) {\n // make absolutely fucking sure this bastard does as it's told...\n gpLastOpenedModViewDoc->SetTitle(psDocName);\n }\n }\n\n**10. wp\\_saber.cpp** \\- When another dev breaks the main header file so you have to manually extern your variables.\n\n // Need to extern these. We can't #include qcommon.h because some fuckwit\n\n**11. Skeletal mesh constraints (g\\_client.cpp)** \\- Trying to bend the player's spine based on mouse yaw without breaking the hitbox.\n\n //SIGH... fucks him up BAD \n // ...18 lines later... \n //SIGH... spine wiggles fuck all this shit\n\n**12. Fixing multiplayer collision in a singleplayer game (g\\_active.cpp)** \\- The fastest way to fix a physics bug where NPCs were killing each other by clipping into one another.\n\nBecause the Quake 3 engine was built for multiplayer everything is a 'client', they retrofitted it for a single player campaign, and if NPCs bump into each other fast enough they just die. So instead of spending weeks changing the AI pathing they just removed the collision damage with a simple if statement if the two colliding clients were of the NPC type basically.\n\n {//aw, fuck it, clients no longer take impact damage from other clients, unless you're the player\n\n**13. Vehicle state logic (g\\_vehicles.c)** \\- Handling the logic for when a bike hits a wall.\n\n {//just get the fuck out\n\n**14. Splash Damage (g\\_mover.c)** \\- Calculating splash damage to players standing near a destructible map object.\n\n {//just blow the fuck out of them\n\n**15.** [fuck the leap years](https://github.com/grayj/Jedi-Academy/blob/d71d53e8ecc1edd300c7a9dd22b8fbc39c095423/tools/ModView/oldskins.cpp#L596) 😂\n\n**16. Giving up on linear algebra (r\\_surface.cpp)** ModView was the internal tool used to render 3D character models and animations. Dealing with 3D matrix transformations and surface math clearly broke someone's spirit.\n\n>`// Fuck this maths shit, it doesn't work` \n`// #define real_nclip(x0,y0,x1,y1,x2,y2) ( (y1-y0)*(x2-x1) - (x1-x0)*(y2-y1) )`\n\n**17. Early 2000s hardware rage (textures.cpp)** Hardcode an exception just to stop AMD/ATI graphics cards from crashing the tool.\n\n>`if (error && error != GL_STACK_OVERFLOW /* fucking stupid ATI cards report this for no reason sometimes */ )`\n\n**18. Audio buffer time travel (cl_mp3.org)**\nBecause the engine decodes the compressed audio in linear chunks to save RAM, it can't easily rewind the audio buffer. When the game engine's clock stuttered and requested an audio sample from the past, the dev just gave up.\n\n> `// what?!?!?! Fucking time travel needed or something?, forget it`\n\nIt is wild to think that one of the highest skill ceiling multiplayer games ever made runs on this exact code. Shoutout to the [OpenJK](https://github.com/JACoders/OpenJK) team for cleaning up this spaghetti and keeping the game alive today.\n\nEDIT: Fixed formatting\nEDIT: Added some more stuff", "author": "MiscreatedFan123", "subreddit": "programming", "score": 2049, "upvoteRatio": 0.98, "numComments": 176, "createdAt": "2026-05-19T06:54:30.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://github.com/grayj/Jedi-Academy", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1thek83", "url": "https://cekrem.github.io/posts/the-tacit-dimension/", "permalink": "https://www.reddit.com/r/programming/comments/1thek83/the_tacit_dimension_why_your_best_engineers_cant/", "title": "The Tacit Dimension: Why Your Best Engineers Can't Tell You What They Know", "body": null, "author": "cekrem", "subreddit": "programming", "score": 133, "upvoteRatio": 0.92, "numComments": 28, "createdAt": "2026-05-19T06:35:56.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://cekrem.github.io/posts/the-tacit-dimension/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1thdzhj", "url": "https://wickstrom.tech/2026-05-16-coding-on-paper.html", "permalink": "https://www.reddit.com/r/programming/comments/1thdzhj/coding_on_paper/", "title": "Coding on Paper", "body": null, "author": "BlondieCoder", "subreddit": "programming", "score": 29, "upvoteRatio": 0.77, "numComments": 13, "createdAt": "2026-05-19T06:05:07.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://wickstrom.tech/2026-05-16-coding-on-paper.html", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1thcanx", "url": "https://safedep.io/mini-shai-hulud-strikes-again-314-npm-packages-compromised/", "permalink": "https://www.reddit.com/r/programming/comments/1thcanx/314_npm_packages_just_got_compromised_271_antv/", "title": "314 npm packages just got compromised, 271 @antv, echarts-for-react, size-sensor, timeago.js", "body": "`atool` maintainer account got hacked, and attacker pushed 631 malicious versions across 314 packages in 22 minutes. another day and another attack. it steals everything like AWS keys, GitHub tokens, npm creds, SSH keys, database strings, docker configs, kubernetes tokens. 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recently shipped [py-teleos](vscode-file://vscode-app/c:/Users/jakes/AppData/Local/Programs/Microsoft%20VS%20Code/0958016b2a/resources/app/out/vs/code/electron-browser/workbench/workbench.html), a plain-language logic engine. The Python API is simple — you write rules like `if adult and has_license then can_drive`, call `ask()`, `why()`, `all()`. But under the hood, the engine is Rust, and I wanted bindings for every major language. Here's what I learned doing it.\n\n**The core: a C ABI from Rust**\n\nThe inference engine lives in a single Rust crate that compiles to a shared library (`teleos_core.dll` on Windows, `.so` on Linux). Rust can't expose a stable ABI directly, but it can expose a C ABI via `#[no_mangle] extern \"C\"` functions. Every binding targets that C interface — so the same 25-line header works for all six languages.\n\nThe tricky part is ownership. Rust manages memory, but callers don't. The solution: the engine allocates on the Rust heap and hands back opaque pointers. Callers pass the pointer back on every call. A matching `teleos_free()` drops it. This is the same pattern as SQLite's `sqlite3*`.\n\n**Python: ctypes vs cffi**\n\nPython's `ctypes` can call C functions directly. You load the `.dll`/`.so`, declare arg types and return types, and call it like a normal function. The awkward part is strings — Python's `str` is Unicode, but C wants `const char*`. You encode to UTF-8 before every call, and decode the result back. The bigger issue is the return value: Rust allocates the result string, Python reads it, then you have to call back into Rust to free it. Get that wrong and you leak memory on every query.\n\n**Go: CGO and why it's painful**\n\nGo has CGO, which lets you embed C headers directly in Go source with a special comment block. In theory it's clean. In practice, CGO requires a C compiler at build time — on Windows that means setting up `gcc` (Strawberry Perl's toolchain works), exporting `CGO_LDFLAGS` and `CGO_CFLAGS`, and hoping your PATH is right. CGO also disables Go's race detector and makes cross-compilation nearly impossible. For a simple FFI wrapper it works, but it's the most friction of any binding.\n\n**Java: JNA over JNI**\n\nThe standard Java way to call native code is JNI, which requires writing C glue code that bridges Java's type system to C. JNA skips that — you define a Java interface that mirrors the C header, and JNA generates the bridge at runtime via reflection. No C compiler needed. You just point it at the `.dll` with `-Djava.library.path` at test time. The tradeoff is a small runtime overhead per call from reflection, which doesn't matter for an inference engine that's doing real work per call anyway.\n\n**JavaScript: WASM instead of native**\n\nJS can't load `.dll` files in a browser, so the JS binding compiles the Rust crate to WebAssembly instead using wasm-pack. This produces a `.wasm` binary and a JS wrapper with TypeScript types. The build target matters: `--target nodejs` for Node.js (CommonJS), `--target web` for browsers. The WASM binary ships in the npm package so there's no native dependency at all — the tradeoff is a slightly larger install and no shared memory with the host process.\n\n**C#: P/Invoke**\n\nC# has P/Invoke, which is the cleanest FFI of the bunch. You annotate a static method with `[DllImport(\"teleos_core\")]` and the runtime finds and loads the library automatically. String marshaling is handled for you with `[MarshalAs(UnmanagedType.LPStr)]`. Of the six bindings, this one took the least code.\n\n**C++: header-only**\n\nSince C++ can call C directly, the binding is just a thin RAII wrapper in a header file. The constructor calls `teleos_parse()`, the destructor calls `teleos_free()`, and the methods are one-liners. No build system changes needed — just `#include \"teleos.hpp\"` and link against the library.\n\n**What I'd do differently**\n\nThe hardest part wasn't any individual binding — it was keeping the C header as the source of truth. 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Go compiled to WASM and SQLite, running entirely in the browser's tab. No server, no account", "body": "I've been thinking about how most personal productivity tools are SaaS for business reasons, not technical ones. A time tracker, journaling app or habit tracker has no reason to store your data on a remote server. \n \nWASM changes this. You can compile a backend in any language and ship it directly to the user's browser. \n \nSQLite can run there too, storing data persistently via OPFS, a filesystem API the browser now ships with. The whole thing is delivered via a URL and runs entirely on the user's machine. 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Multi-file projects, share-via-URL, host JS override, OPFS-persisted.\n\nUnderneath: libwgsl — a from-scratch C99 WGSL frontend (lex / parse / resolve / const-eval / typecheck / validate). ~0.37 ms / Kloc warm parse, no dependencies, MIT.\n\nSandbox: https://wgsl.run \nSource: https://github.com/toprakdeviren/libwgsl \nVS Code: https://marketplace.visualstudio.com/items?itemName=toprakdeviren.wgsl-run", "author": "BigAd4703", "subreddit": "programming", "score": 9, "upvoteRatio": 0.91, "numComments": 0, "createdAt": "2026-05-10T06:57:06.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://wgsl.run", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1t8oq9k", "url": "https://matklad.github.io/2026/02/25/against-query-based-compilers.html", "permalink": "https://www.reddit.com/r/programming/comments/1t8oq9k/against_query_based_compilers/", "title": "Against Query Based Compilers", "body": null, "author": "fagnerbrack", "subreddit": "programming", "score": 35, "upvoteRatio": 0.9, "numComments": 3, "createdAt": "2026-05-09T22:13:54.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://matklad.github.io/2026/02/25/against-query-based-compilers.html", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1t8n0vl", "url": "https://xcancel.com/jarredsumner/status/2053047748191232310", "permalink": "https://www.reddit.com/r/programming/comments/1t8n0vl/buns_rewrite_from_zig_to_rust_passes_998_of/", "title": "Bun’s rewrite from Zig to Rust passes 99.8% of testsuite", "body": "per @jarredsumner:\n\n> 99.8% of bun’s pre-existing test suite passes on Linux x64 glibc in the rust rewrite\n\n> it’s basically the same codebase except now we can have the compiler enforce the lifetimes of types and we get destructors when we want them. and the ugly parts look uglier (unsafe) which encourages refactoring.\n\n> why: I am so tired of worrying about & spending lots of time fixing memory leaks and crashes and stability issues. it would be so nice if the language provided more powerful tools for preventing these things.\n\n> > But how long does it take to compile?\n\n> It’s basically the same as in zig using our faster zig compiler. If we were using the upstream zig compiler, rust port would compile faster", "author": "read_volatile", "subreddit": "programming", "score": 577, "upvoteRatio": 0.86, "numComments": 292, "createdAt": "2026-05-09T21:04:12.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://xcancel.com/jarredsumner/status/2053047748191232310", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1t89woz", "url": "https://blog.gaborkoos.com/posts/2026-05-09-Your-Recursion-Is-Lying-to-You/?utm_source=reddit&utm_medium=social&utm_campaign=your-recursion-is-lying-to-you&utm_content=r_programming", "permalink": "https://www.reddit.com/r/programming/comments/1t89woz/javascript_specified_tail_call_optimization_in/", "title": "JavaScript specified tail call optimization in ES2015. Most engines never implemented it, and your tail-recursive code can still blow the stack.", "body": null, "author": "OtherwisePush6424", "subreddit": "programming", "score": 170, "upvoteRatio": 0.95, "numComments": 42, "createdAt": "2026-05-09T16:39:58.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://blog.gaborkoos.com/posts/2026-05-09-Your-Recursion-Is-Lying-to-You/?utm_source=reddit&utm_medium=social&utm_campaign=your-recursion-is-lying-to-you&utm_content=r_programming", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1t885cp", "url": "https://bogomolov.work/blog/posts/wasm-vs-docker/", "permalink": "https://www.reddit.com/r/programming/comments/1t885cp/docker_images_are_hundreds_of_mb_a_full_game/", "title": "Docker images are hundreds of MB; a full game engine compiles to 35MB WASM", "body": null, "author": "c1rno123", "subreddit": "programming", "score": 228, "upvoteRatio": 0.68, "numComments": 130, "createdAt": "2026-05-09T15:32:24.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://bogomolov.work/blog/posts/wasm-vs-docker/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1t83n7a", "url": "https://stoffelmpc.com/stoffel-blog/beaver-triples-tuples?utm_source=reddit&utm_medium=social&utm_campaign=mpc-blog-series&utm_content=rstoffelmpc", "permalink": "https://www.reddit.com/r/programming/comments/1t83n7a/computing_with_secret_shares_introducing_beaver/", "title": "Computing with Secret Shares - Introducing Beaver Triples - Stoffel - MPC Made Simple", "body": null, "author": "badcryptobitch", "subreddit": "programming", "score": 0, "upvoteRatio": 0.5, "numComments": 0, "createdAt": "2026-05-09T12:27:39.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://stoffelmpc.com/stoffel-blog/beaver-triples-tuples?utm_source=reddit&utm_medium=social&utm_campaign=mpc-blog-series&utm_content=rstoffelmpc", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1t81wbu", "url": "https://codeutopia.net/blog/2026/05/09/you-should-read-programming-as-theory-building/", "permalink": "https://www.reddit.com/r/programming/comments/1t81wbu/you_should_read_programming_as_theory_building/", "title": "You should read Programming as Theory Building", "body": null, "author": "jhartikainen", "subreddit": "programming", "score": 315, "upvoteRatio": 0.95, "numComments": 74, "createdAt": "2026-05-09T11:02:01.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://codeutopia.net/blog/2026/05/09/you-should-read-programming-as-theory-building/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1t7zdyt", "url": "https://event-driven.io/en/how_events_can_help_on_making_state_based_approach_efficient/", "permalink": "https://www.reddit.com/r/programming/comments/1t7zdyt/how_events_can_help_in_making_the_statebased/", "title": "How events can help in making the state-based approach efficient", "body": null, "author": "Adventurous-Salt8514", "subreddit": "programming", "score": 1, "upvoteRatio": 0.54, "numComments": 0, "createdAt": "2026-05-09T08:45:46.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://event-driven.io/en/how_events_can_help_on_making_state_based_approach_efficient/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1t7vicb", "url": "https://evanhahn.com/the-two-kinds-of-error/", "permalink": "https://www.reddit.com/r/programming/comments/1t7vicb/the_two_kinds_of_error/", "title": "The two kinds of error", "body": null, "author": "fagnerbrack", "subreddit": "programming", "score": 0, "upvoteRatio": 0.42, "numComments": 4, "createdAt": "2026-05-09T05:11:34.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://evanhahn.com/the-two-kinds-of-error/", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1t7qsfi", "url": "https://talkingpostgres.com/episodes/from-memsql-to-horizondb-an-engineers-journey-with-adam-prout", "permalink": "https://www.reddit.com/r/programming/comments/1t7qsfi/how_database_work_pulls_you_deep_into_systems/", "title": "How database work pulls you deep into systems engineering (podcast episode with Adam Prout)", "body": "If you’re into systems programming, or you’ve ever had to think hard about correctness and failure modes, this might be interesting.\n\nI had Adam Prout (distinguished engineer at Microsoft, founding architect of Azure HorizonDB) on the Talking Postgres podcast to talk about building database systems and trying to make Postgres and Azure fit together cleanly.\n\nHighlights:\n\n* “A good systems programmer tends to mean you’re very paranoid. Anything can go wrong…”\n* Shared-storage architecture changes where a lot of the work happens\n* With Rust, a large class of bugs just won’t compile\n* Working on databases pulls in a surprising amount of computer science\n* Startup vs big company tradeoffs show up everywhere\n\nAlso this line: “The agents are very fast keyboards.”\n\nEpisode (audio + transcript): [https://talkingpostgres.com/episodes/from-memsql-to-horizondb-an-engineers-journey-with-adam-prout](https://talkingpostgres.com/episodes/from-memsql-to-horizondb-an-engineers-journey-with-adam-prout)\n\nYouTube (audio): [https://youtu.be/dsyWz6tcfh0?si=kTMD1eTamlVneVXN](https://youtu.be/dsyWz6tcfh0?si=kTMD1eTamlVneVXN)\n\nCurious if you enjoy hearing about other people's engineering journeys, and what bits of Adam's episode you find most fascinating. ", "author": "clairegiordano", "subreddit": "programming", "score": 74, "upvoteRatio": 0.93, "numComments": 3, "createdAt": "2026-05-09T01:22:53.000Z", "isNsfw": false, "flair": null, "media": { "kind": "link", "url": "https://talkingpostgres.com/episodes/from-memsql-to-horizondb-an-engineers-journey-with-adam-prout", "thumbnail": null, "isVideo": false, "galleryUrls": null }, "foundVia": "new", "subredditInfo": null, "authorProfile": null, "comments": null }, { "rowType": "post", "id": "t3_1t7nej7", "url": "https://www.wiz.io/blog/dirty-frag-linux-kernel-local-privilege-escalation-via-esp-and-rxrpc", "permalink": "https://www.reddit.com/r/programming/comments/1t7nej7/dirty_frag_yet_another_universal_linux_kernel/", "title": "Dirty Frag: Yet Another Universal Linux Kernel Privilege Escalation Vulnerability Active Since 2017, Unaffected By \"Copy Fail\" Mitigations", "body": "Here we go again...\n\nAnother Linux kernel privilege escalation vulnerability like \"Copy Fail\" that allows escalation to root reliably on all major Linux distros since 2017. This time it doesn't rely on the `algif_aead` kernel module, so it works even if you have a kernel with the Copy Fail mitigations.\n\nThis one's also a true zero day in that at the time of announcement, no fixes have been made upstream. 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