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

https://openciv3.org/
521•klaussilveira•9h ago•146 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
855•xnx•14h ago•515 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
68•matheusalmeida•1d ago•13 comments

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

https://github.com/valdanylchuk/breezydemo
176•isitcontent•9h ago•21 comments

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

https://github.com/pydantic/monty
177•dmpetrov•9h ago•78 comments

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

https://vecti.com
288•vecti•11h ago•130 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
67•quibono•4d ago•11 comments

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

https://github.com/microsoft/litebox
342•aktau•15h ago•167 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
336•ostacke•15h ago•90 comments

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

https://eljojo.github.io/rememory/
236•eljojo•12h ago•143 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
431•todsacerdoti•17h ago•224 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
6•videotopia•3d ago•0 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
40•kmm•4d ago•3 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
369•lstoll•15h ago•252 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
12•romes•4d ago•1 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
14•denuoweb•1d ago•2 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
218•i5heu•12h ago•162 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
87•SerCe•5h ago•74 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...
17•gmays•4h ago•2 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
38•gfortaine•7h ago•10 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
162•limoce•3d ago•81 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
60•phreda4•8h ago•11 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
126•vmatsiiako•14h ago•51 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
261•surprisetalk•3d ago•35 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/
1027•cdrnsf•18h ago•428 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
54•rescrv•17h ago•18 comments

WebView performance significantly slower than PWA

https://issues.chromium.org/issues/40817676
16•denysonique•5h ago•2 comments

I'm going to cure my girlfriend's brain tumor

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain
106•ray__•6h ago•51 comments

Evaluating and mitigating the growing risk of LLM-discovered 0-days

https://red.anthropic.com/2026/zero-days/
44•lebovic•1d ago•14 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
83•antves•1d ago•60 comments
Open in hackernews

The Concatative Language XY

http://www.nsl.com/k/xy/xy.txt
49•ofalkaed•1w ago

Comments

ofalkaed•1w ago
The code and details about various versions are available on the homepage which weirdly does not really explain the language.

http://www.nsl.com/k/xy/xy.htm

jasonwatkinspdx•1w ago
So this is the blog of Stevan Apter. As you might guess from having a 3 letter vanity domain, he and this website have been around a long long time. It's mostly code golf style stuff posted to the J Software and Concatenative Languages lists. So yeah it'll be terse and obscure outside that community.

The domain name stands for No Stinkin' Loops, a reference to how APL style languages lift iteration to combinator expressions.

ofalkaed•1w ago
I did not know any of that, did not even consider if it was a vanity domain but did briefly wonder if nsl was the domain for some small country. I think the homepage does a good job of covering everything we need to know and in someways does a better job, but this posting provides a better overview for a HN submission. I included the homepage since some would probably skim the post or only read as much as they need to get the idea and miss the note at the bottom, someone would have probably posted asking where the code was.

Thanks for the background info.

jasonwatkinspdx•1w ago
Yeah, I stumbled onto J et all after seeing an interesting entry into the ICFP programming contest. So I was on the concatenative languages email list for a bit and knew nsl.com from there.

I've always found this snippet interesting: https://nsl.com/papers/kisntlisp.htm

Comparing the lisp to the non linenoise k syntax you can see there really is something compelling to this sort of lifting of iterator at a time fiddling to a higher level of abstraction where you just think about the shape of what you want.

mncharity•1w ago
Including discussion of XY 2.0 and its flatness (all partitions of a sequence of program tokens are semantically equivalent).
nitrix•1w ago
I’m the Alex mentioned in the acknowledgments, feel free to ask your questions.
ofalkaed•1w ago
In what way did you carry the ideas forward? Did you create a language which builds on it or did you just help Stevan develop the ideas of XY? Curious in anything you can contribute.
gnabgib•1w ago
(2004)[0] And yet you submitted it twice in 5 months? weirdly indeed.

https://news.ycombinator.com/item?id=44880307

[0]: https://news.ycombinator.com/item?id=9216548

ofalkaed•1w ago
It is the same topic but not the same submission, if topics can't be repeated HN will die in short order. Are you suggesting that I am trying to revive my 20 year dead language by posting it twice within 5 months? my posting history should prove that I am not capable of creating such a language.

Not criticizing you, you perform a great service to HN, I am just confused by your post and that might just be a failing of mine. Either way, thanks for all you do.

wosined•1w ago
Interesting. But looks like assembler and more complicated.
jaberjaber23•1w ago
interesting mix of k and joy. the queue manipulation primitives like -> and => have no equivalent in joy, lets you do things like call/cc in a few lines
volemo•1w ago
This helped me finally grok continuations!
tobr•1w ago
Submitted headline is missing an ’en’.
ofalkaed•1w ago
Something about that looked wrong but I just could not quite see it. To late to edit.
mncharity•1w ago
"The Concatenative Language XY" discussion (typo in title).

For search.

zabzonk•1w ago
So, basically a less-readable Forth?
wvlia5•1w ago
I'm making a new language inspired in XY
mncharity•1w ago
Fwiw, bing/chat identifies the implementation K version as a K2, in a style which might be an easy port to K3.