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France's homegrown open source online office suite

https://github.com/suitenumerique
241•nar001•2h ago•124 comments

British drivers over 70 to face eye tests every three years

https://www.bbc.com/news/articles/c205nxy0p31o
18•bookofjoe•17m ago•7 comments

Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
382•theblazehen•2d ago•136 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
67•AlexeyBrin•3h ago•13 comments

Reinforcement Learning from Human Feedback

https://arxiv.org/abs/2504.12501
43•onurkanbkrc•3h ago•2 comments

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

https://openciv3.org/
750•klaussilveira•18h ago•234 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
1009•xnx•23h ago•571 comments

Coding agents have replaced every framework I used

https://blog.alaindichiappari.dev/p/software-engineering-is-back
115•alainrk•3h ago•127 comments

First Proof

https://arxiv.org/abs/2602.05192
15•samasblack•47m ago•9 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
139•jesperordrup•8h ago•55 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
10•vinhnx•1h ago•1 comments

A Fresh Look at IBM 3270 Information Display System

https://www.rs-online.com/designspark/a-fresh-look-at-ibm-3270-information-display-system
9•rbanffy•3d ago•0 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
94•videotopia•4d ago•23 comments

Ga68, a GNU Algol 68 Compiler

https://fosdem.org/2026/schedule/event/PEXRTN-ga68-intro/
30•matt_d•4d ago•6 comments

Making geo joins faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
148•matheusalmeida•2d ago•40 comments

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

https://github.com/valdanylchuk/breezydemo
255•isitcontent•18h ago•27 comments

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

https://github.com/pydantic/monty
267•dmpetrov•18h ago•142 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
534•todsacerdoti•1d ago•258 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
411•ostacke•1d ago•105 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
58•helloplanets•4d ago•57 comments

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

https://vecti.com
354•vecti•20h ago•160 comments

Show HN: Kappal – CLI to Run Docker Compose YML on Kubernetes for Local Dev

https://github.com/sandys/kappal
10•sandGorgon•2d ago•2 comments

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

https://eljojo.github.io/rememory/
327•eljojo•21h ago•198 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
452•lstoll•1d ago•296 comments

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

https://github.com/microsoft/litebox
365•aktau•1d ago•192 comments

Cross-Region MSK Replication: K2K vs. MirrorMaker2

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

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
295•i5heu•21h ago•249 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
105•quibono•5d ago•30 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
55•gmays•13h ago•22 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/
1108•cdrnsf•1d ago•488 comments
Open in hackernews

Grayskull: A tiny computer vision library in C for embedded systems, etc.

https://github.com/zserge/grayskull
192•gurjeet•3mo ago

Comments

ranger_danger•3mo ago
Missed opportunity to one-up the He-Man joke from earlier :p
kazinator•3mo ago
Did you see the "By The Power of Grayscale" submission and go digging?
gurjeet•3mo ago
Yes, that's exactly how I discovered it :-)
moffkalast•3mo ago
And then you said HEY YEYAAEYAAAEYAEYAA?
gurjeet•3mo ago
For the curious, link to related post: By the Power of Grayscale https://news.ycombinator.com/item?id=45771151
valorzard•3mo ago
I’d like to take this moment to say that the recent She Ra revival series on Netflix by ND Stevenson (the creator of Nimona) is pretty good, go watch it.
aadv1k•3mo ago
Hey, this is great :) I attempted to do something similar a while back https://github.com/aadv1k/deimos basically trying to build many of OpenCV's functions from scratch in C from first principles, though I was using stb for handling the images. I ended up putting the project on hold, primarily because I lost interest in computer vision at the time.

For a while I went deep into OCR, and built a rather rudimentary stroke width transform (https://github.com/aadv1k/swt.h) but again, the results were very hit or miss, likely because I never took the time to understand the logic behind why these functions would work.

1) Optimise many of the functions (a lot of room to use GPU, multi-threading and what not!). 2) Add new functions and improve the existing edge detection ones

I would love to know of a good resource for computer vision, the various algorithms, optimisation techniques etc. Thanks for sharing this project! Cheers

goeiedaggoeie•3mo ago
https://github.com/spsingh37/Classical-computer-vision

spend some time to understand how CV worked before deep learning transformed it in 2012->2014. lots of those techniques are still useful

aadv1k•3mo ago
This is very useful, I was unable to find a simple, clean implementation of the harris corner algorithm, this might help. Appreciate it!
grep_it•3mo ago
Computer Vision: Algorithms and Applications 2nd Edition is free to download for personal use at https://szeliski.org/Book/
aadv1k•3mo ago
Hey this is great! Thank you :)
rob74•3mo ago
cf. https://en.wikipedia.org/wiki/Castle_Grayskull
adius•3mo ago
I basically did the same thing a few weeks ago! =) => https://flatcv.ad-si.com

It will be interesting to see what you did differently!

rmind•3mo ago
Nice. Any plans to add support for affine transformations and perspective transformation (warp)?
adius•3mo ago
Definitely on the todo list, but since it is only a side project, I don't know when I'll get to it. Any contributions would be highly appreciated! =)
jamal-kumar•3mo ago
On this tip I always found opencv to work way way faster just dropping the color depth of whatever image as such
vardump•3mo ago
Since this is intended for embedded systems, supporting ARM DSP extensions would be beneficial. Correct me if I'm wrong, but I have not seen any compiler generate those instructions, other than through the use of intrinsics.

I would add the support if I needed the library, but I don't, at least not yet.

cestith•3mo ago
related: https://news.ycombinator.com/item?id=45771151