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Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
306•theblazehen•2d ago•103 comments

France's homegrown open source online office suite

https://github.com/suitenumerique
21•nar001•53m ago•10 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
40•AlexeyBrin•2h ago•7 comments

Software Engineering Is Back

https://blog.alaindichiappari.dev/p/software-engineering-is-back
37•alainrk•1h ago•30 comments

Reinforcement Learning from Human Feedback

https://arxiv.org/abs/2504.12501
20•onurkanbkrc•1h ago•1 comments

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

https://openciv3.org/
719•klaussilveira•16h ago•222 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
105•jesperordrup•6h ago•38 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
983•xnx•22h ago•562 comments

Ga68, a GNU Algol 68 Compiler

https://fosdem.org/2026/schedule/event/PEXRTN-ga68-intro/
22•matt_d•3d ago•4 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
78•videotopia•4d ago•12 comments

Making geo joins faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
141•matheusalmeida•2d ago•37 comments

Cross-Region MSK Replication: K2K vs. MirrorMaker2

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

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

https://github.com/valdanylchuk/breezydemo
243•isitcontent•16h ago•27 comments

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

https://github.com/pydantic/monty
245•dmpetrov•17h ago•128 comments

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

https://vecti.com
346•vecti•19h ago•153 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
511•todsacerdoti•1d ago•248 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
395•ostacke•22h ago•102 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
47•helloplanets•4d ago•48 comments

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

https://eljojo.github.io/rememory/
310•eljojo•19h ago•192 comments

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

https://github.com/microsoft/litebox
363•aktau•23h ago•189 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
442•lstoll•23h ago•289 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
77•kmm•5d ago•11 comments

Dark Alley Mathematics

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

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
26•bikenaga•3d ago•14 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...
48•gmays•11h ago•19 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
281•i5heu•19h ago•230 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/
1092•cdrnsf•1d ago•473 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
312•surprisetalk•3d ago•45 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
160•vmatsiiako•21h ago•73 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
36•romes•4d ago•3 comments
Open in hackernews

How count-min sketches work – frequencies, but without the actual data

https://www.instantdb.com/essays/count_min_sketch
49•stopachka•3mo ago

Comments

esafak•3mo ago
Nice setup with the Wodehouse. There are lesser-used sketches beyond the basic Bloom, HyperLogLog, and count-min. Maybe for another article.
stopachka•3mo ago
Thank you! Are there are particular data structures that you think I should look into?
esafak•3mo ago
Cuckoo, XOR, ribbon, and counting Bloom filters.
stopachka•3mo ago
Thank you, I'll dive deeper.
pshirshov•3mo ago
Hyperminhash!
iamwil•3mo ago
Cool! How did you do the reactive demos on the site? I assume it was with instantDB? How hard was it to integrate into a blog post?
stopachka•3mo ago
Thank you!

Since all the reactive demos are local, I didn't add Instant in this case.

One little trick I did for data was here:

https://github.com/instantdb/instant/blob/main/client/www/co...

Mainly: I wanted to get all counts for Wodehouse, but didn't want to block the page load for that. So what I did was take a small subset of the data that's needed to render the page, and have that written into the file. Then after load I fetch all the other counts.

In the tutorial I also used Bun.xxHash3, but to make sketches run on the client, I had to replace that with a library.

The actual sketch implementation that backs the demos is here:

https://github.com/instantdb/instant/blob/main/client/www/co...