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Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
258•theblazehen•2d ago•86 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
27•AlexeyBrin•1h ago•3 comments

OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
707•klaussilveira•15h ago•206 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
969•xnx•21h ago•558 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
70•jesperordrup•6h ago•31 comments

Reinforcement Learning from Human Feedback

https://arxiv.org/abs/2504.12501
7•onurkanbkrc•48m ago•0 comments

Making geo joins faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
135•matheusalmeida•2d ago•35 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
45•speckx•4d ago•36 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
68•videotopia•4d ago•7 comments

Welcome to the Room – A lesson in leadership by Satya Nadella

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
39•kaonwarb•3d ago•30 comments

Ga68, a GNU Algol 68 Compiler

https://fosdem.org/2026/schedule/event/PEXRTN-ga68-intro/
13•matt_d•3d ago•2 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
45•helloplanets•4d ago•46 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
240•isitcontent•16h ago•26 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
238•dmpetrov•16h ago•127 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
340•vecti•18h ago•150 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
506•todsacerdoti•23h ago•248 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
390•ostacke•22h ago•98 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
304•eljojo•18h ago•188 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
361•aktau•22h ago•186 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
428•lstoll•22h ago•284 comments

Cross-Region MSK Replication: K2K vs. MirrorMaker2

https://medium.com/lensesio/cross-region-msk-replication-a-comprehensive-performance-comparison-o...
3•andmarios•4d ago•1 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
71•kmm•5d ago•10 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
24•bikenaga•3d ago•11 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
96•quibono•4d ago•22 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
26•1vuio0pswjnm7•2h ago•16 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
271•i5heu•18h ago•219 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
34•romes•4d ago•3 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1079•cdrnsf•1d ago•462 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
64•gfortaine•13h ago•30 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
306•surprisetalk•3d ago•44 comments
Open in hackernews

Show HN: Evolved.lua – An Evolved Entity Component System for Lua

https://github.com/BlackMATov/evolved.lua
55•blackmat•8mo ago
I'm excited to announce the first release of my library, evolved.lua!

evolved.lua is a fast and flexible ECS (Entity-Component-System) library for Lua. It is designed to be simple and easy to use, while providing all the features needed to create complex systems with blazing performance.

Enjoy!

Comments

euvin•8mo ago
Cool to see a new ECS project! I've been learning and using JECS (https://github.com/Ukendio/jecs) for a project of mine, and some of the core ideas (like Chunks) felt familiar. This project definitely seems to have a more in-depth documentation though and a lot more features especially by having its own scheduler stuff. Would love to try it out on a new project someday
blackmat•8mo ago
Hmm! I haven't heard of JECS before. I need to check it out :-) Thanks for the kind words!
cmovq•8mo ago
> Components are stored in contiguous arrays in a SoA (Structure of Arrays) manner, which allows for fast iteration and processing

Does this actually matter in Lua? Aren’t all array elements going to be pointers to heap allocated objects anyways?

The point of SoA is your likely to be accessed values are adjacent in memory, but if you’re chasing a pointer to get that value then you’re not getting anything out of it.

PhilipRoman•8mo ago
Lua uses tagged unions so that primitives are stored inline within a table. Some time ago I benchmarked this and the perf gains from SOA were significant. Besides, even if you had to chase pointers, SOA still means you can reduce the number of allocations.
blackmat•8mo ago
Yes, organizing components as SoA can provide a significant performance boost in Lua, especially with LuaJIT. Both iteration and element access become faster, and it also reduces memory allocations and GC pressure when creating entities. And yes, Lua tables can be contiguous in memory if you use them carefully.
dicytea•8mo ago
Do you have any published benchmarks?
blackmat•8mo ago
Comparative benchmarks are a big task on their own, and usually the author's library wins in them. I have internal benchmarks in the repository, but they are not designed for comparison or for evaluation by outsiders. Maybe I'll get to that someday.

As for the SoA approach, here you can find a small and exaggerated example: https://luajit.org/ext_ffi.html

dogprez•8mo ago
What makes it an "envolved" ecs?
blackmat•8mo ago
Honestly, it's just a fancy way of saying I learned a few things from earlier attempts and made some tweaks. I just think "evolved" sounds cool!
poly2it•8mo ago
Any examples of projects using this?
blackmat•8mo ago
Not yet, but I wrote this library to use in a project of mine. When I finish it, I will add a link to the README. As for a small demo project, I have one in mind, but I haven't started it yet.
je42•8mo ago
One alternatives I like is https://bakpakin.github.io/tiny-ecs/doc/
blackmat•8mo ago
Yeah, tiny-ecs is good, but it doesn't quite fit my needs. With these thoughts in mind, I started this project.
sali0•8mo ago
Will give this a try. I was using claude code to make a small game in love2d, and really hoped for a nice lua ecs lib to help manage the game objects (its my first time playing around with game dev).
binary132•8mo ago
It always makes me happy to see people publishing Lua libraries in $YEAR. I am also working on Lua stuff. Thank you for posting!
blackmat•8mo ago
Yeah! Long live Lua! :-)