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SectorC: A C Compiler in 512 bytes

https://xorvoid.com/sectorc.html
97•valyala•4h ago•16 comments

The F Word

http://muratbuffalo.blogspot.com/2026/02/friction.html
43•zdw•3d ago•8 comments

Brookhaven Lab's RHIC concludes 25-year run with final collisions

https://www.hpcwire.com/off-the-wire/brookhaven-labs-rhic-concludes-25-year-run-with-final-collis...
23•gnufx•2h ago•19 comments

Speed up responses with fast mode

https://code.claude.com/docs/en/fast-mode
55•surprisetalk•3h ago•54 comments

Software factories and the agentic moment

https://factory.strongdm.ai/
97•mellosouls•6h ago•175 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
100•vinhnx•7h ago•13 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
143•AlexeyBrin•9h ago•26 comments

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

https://openciv3.org/
850•klaussilveira•1d ago•258 comments

I write games in C (yes, C)

https://jonathanwhiting.com/writing/blog/games_in_c/
138•valyala•4h ago•109 comments

First Proof

https://arxiv.org/abs/2602.05192
68•samasblack•6h ago•52 comments

Show HN: A luma dependent chroma compression algorithm (image compression)

https://www.bitsnbites.eu/a-spatial-domain-variable-block-size-luma-dependent-chroma-compression-...
7•mbitsnbites•3d ago•0 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
1093•xnx•1d ago•618 comments

Al Lowe on model trains, funny deaths and working with Disney

https://spillhistorie.no/2026/02/06/interview-with-sierra-veteran-al-lowe/
64•thelok•6h ago•10 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
235•jesperordrup•14h ago•80 comments

Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
519•theblazehen•3d ago•191 comments

Reinforcement Learning from Human Feedback

https://rlhfbook.com/
94•onurkanbkrc•9h ago•5 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
31•momciloo•4h ago•5 comments

Selection Rather Than Prediction

https://voratiq.com/blog/selection-rather-than-prediction/
13•languid-photic•3d ago•4 comments

Coding agents have replaced every framework I used

https://blog.alaindichiappari.dev/p/software-engineering-is-back
259•alainrk•8h ago•425 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
186•1vuio0pswjnm7•10h ago•266 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
48•rbanffy•4d ago•9 comments

France's homegrown open source online office suite

https://github.com/suitenumerique
615•nar001•8h ago•272 comments

72M Points of Interest

https://tech.marksblogg.com/overture-places-pois.html
36•marklit•5d ago•6 comments

We mourn our craft

https://nolanlawson.com/2026/02/07/we-mourn-our-craft/
348•ColinWright•3h ago•414 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
124•videotopia•4d ago•39 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
99•speckx•4d ago•115 comments

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

https://github.com/sandys/kappal
33•sandGorgon•2d ago•15 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
211•limoce•4d ago•119 comments

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

https://github.com/valdanylchuk/breezydemo
288•isitcontent•1d ago•38 comments

History and Timeline of the Proco Rat Pedal (2021)

https://web.archive.org/web/20211030011207/https://thejhsshow.com/articles/history-and-timeline-o...
20•brudgers•5d ago•5 comments
Open in hackernews

React Flow, open source libraries for node-based UIs with React or Svelte

https://github.com/xyflow/xyflow
168•mountainview•3mo ago

Comments

wallzero•3mo ago
This is an excellent library! I only wish it had react-native support.

I've worked on a few prototype react directed acyclical diagram libraries. jsplumb-react, react-yad, and recently @lincle.

@lincle is my most recent and first attempt at supporting react-native. I tried leveraging existing interactive libraries. I was also inspired by react-flow's minimap. It is still a prototype and needs documentation but works well. I'm realizing now the demo isn't working but the demo source should hopefully give an example of how to use it.

https://gitlab.com/digested/lincle

tcoff91•3mo ago
With expo DOM components it’s easy to just use this library and expo will wrap it in a webview. Then you can easily integrate it into a RN app.
NatKarmios•3mo ago
It's a lovely library :) I'm using it in my work on general interfaces for symbolic execution debugging.
iamcreasy•3mo ago
This is cool. Is there web component library/resources for something equivalent?
teunlao•3mo ago
Great library. Just memo your custom nodes properly - edge re-renders cascade faster than you'd expect.
gardnr•3mo ago
Obligatory Fireship video: https://www.youtube.com/watch?v=yl0YWA2K2B0&t=40
Sammi•3mo ago
It's quite impressive how many layers of oopsies there are in the React api now.

The curse of being successful as a software project: more people want more from you, but you are not allowed to actually remove cruft, because too many people depend on it.

19: 193 kB -> 60.3 kB (gzip) https://bundlejs.com/?q=react%4019.2.0%2Creact%4019.2.0%2Cre...

18: 142 kB -> 45.6 kB (gzip) https://bundlejs.com/?q=react%4018.3.1%2Creact%4018.3.1%2Cre...

braebo•3mo ago
The entire concept of mitigating un-intended re-rendering by wrapping your bad abstractions in more abstractions is not a category of problem for Svelte devs nor is it inherent to the platform like some inevitably of scale.

React is bad because its foundation is a bad abstraction (v-dom) and it’s spent over decade pilling on more leaky abstractions every year, leading to where we are now — clamoring over a mountain of footguns and indirection.

Sammi•3mo ago
Yes. VDOM is immediate mode. DOM is retained mode. Building immediate mode on top of retained mode is cursed.
throwaway290•3mo ago
React.memo(MyFlowNodeComponent) like this?
mootoday•3mo ago
I'm a long-time SvelteFlow user and it has never disappointed so far :).

Lots of updates this year to reach parity with React Flow.

randomdrake•3mo ago
This is a well-done library that’s fun to work with. I put together a proof of concept org chart generator[0] with it a while back when working on another project. Very easy to use and well-documented.

[0] - https://github.com/randomdrake/react-flow-org-chart

steve_taylor•3mo ago
Does React Flow still advertise itself unless you pay the developers at least $169/month?
aratahikaru5•3mo ago
You can programmatically remove the watermark, either via a flag or by changing the source code.

> [1] No, you can do whatever you want with it since it’s MIT

But if you use it in a commercial project, they'll likely shame you if you don't pay - like what happened to OpenAI with Agent Builder:

> [2] Hey @OpenAI :) We just saw that you are using our open source library React Flow We offer startup discount codes :) Let us know if you are interested

Personally, I’d prefer them to use a dual license, but I understand that it would likely create unnecessary hurdles for devs who just want to try out the library.

They explained their reasoning here: https://xyflow.com/blog/asking-for-money-for-open-source

[1] https://x.com/xyflowdev/status/1975660206441820585

[2] https://x.com/xyflowdev/status/1975505810768777360

watty•3mo ago
Agree, if they're going to guilt shame companies publicly and be defensive in replies, just dual license it. Not a great look.
taherchhabra•3mo ago
I am building https://www.flickspeed.ai using this library
CuriouslyC•3mo ago
Hah, this pops up right after I note how it's eating good with all the AI tools that use it. Deservedly so, if you're creating node based interfaces there's no reason to hand roll with D3.
krebby•3mo ago
I'm working on an open source tool called noodles.gl that uses this library and it's been great. The devs have been good about keeping a cadence of solid changes and keeping the community updated, and overall I'm happy to have bet on this library years ago.

I love the flexibility and the fact that there's a variety of examples for basically anything I want to accomplish with it. Great work to the team.

https://noodles.gl

Orochikaku•3mo ago
I really appreciated that they've made their pro examples available for free for education purposes. I made use of one of those examples for my undergraduate final year project.
carltheperson•3mo ago
This is a great library. I especially appreciate that they added a version for Svelte (with specific examples for Svelte 5).

It's very convenient how you create the graph, with nodes just being Svelte components. Adding custom edges isn't very hard either.

If you're curious what you can do with it, I made this demo for myself https://youtu.be/aVY7ySPiSo8 (never launched it). I used Svelte Flow to visualize AI doing research, my first project using LLMs.

sroussey•3mo ago
I use this library for some in browser AI stuff.

https://podley-web.netlify.app/

anorak27•3mo ago
I made a desktop UI using react flow with resizing and deletion of windows.

https://github.com/Anilturaga/Generative-UI

danielfalbo•3mo ago
Supabase uses this for the Visual Schema Designer https://supabase.com/features/visual-schema-designer
quintu5•3mo ago
I’ve used this library on a couple of projects with great results. One, a drag-and-drop IaC builder and the other a GitHub Actions-like task execution graph viewer.
icemelt8•3mo ago
We use this for our flow builder in https://wetarseel.ai
aurareturn•3mo ago
Just what I was looking for a project.
artur_makly•3mo ago
I made https://VisualFlows.io with it - among many other AI powered canvases:

https://www.design2dev.com/work/agentic-ai-canvases/

Contact me for UX consulting if you need it -;) artur at design2dev.com

mediumsmart•3mo ago
I was tempted for a moment but I think it needs JavaScript