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PID Controller

https://en.wikipedia.org/wiki/Proportional%E2%80%93integral%E2%80%93derivative_controller
1•tosh•1m ago•0 comments

SpaceX Rocket Generates 100GW of Power, or 20% of US Electricity

https://twitter.com/AlecStapp/status/2019932764515234159
1•bkls•1m ago•0 comments

Kubernetes MCP Server

https://github.com/yindia/rootcause
1•yindia•2m ago•0 comments

I Built a Movie Recommendation Agent to Solve Movie Nights with My Wife

https://rokn.io/posts/building-movie-recommendation-agent
1•roknovosel•2m ago•0 comments

What were the first animals? The fierce sponge–jelly battle that just won't end

https://www.nature.com/articles/d41586-026-00238-z
2•beardyw•11m ago•0 comments

Sidestepping Evaluation Awareness and Anticipating Misalignment

https://alignment.openai.com/prod-evals/
1•taubek•11m ago•0 comments

OldMapsOnline

https://www.oldmapsonline.org/en
1•surprisetalk•13m ago•0 comments

What It's Like to Be a Worm

https://www.asimov.press/p/sentience
2•surprisetalk•13m ago•0 comments

Don't go to physics grad school and other cautionary tales

https://scottlocklin.wordpress.com/2025/12/19/dont-go-to-physics-grad-school-and-other-cautionary...
1•surprisetalk•13m ago•0 comments

Lawyer sets new standard for abuse of AI; judge tosses case

https://arstechnica.com/tech-policy/2026/02/randomly-quoting-ray-bradbury-did-not-save-lawyer-fro...
2•pseudolus•14m ago•0 comments

AI anxiety batters software execs, costing them combined $62B: report

https://nypost.com/2026/02/04/business/ai-anxiety-batters-software-execs-costing-them-62b-report/
1•1vuio0pswjnm7•14m ago•0 comments

Bogus Pipeline

https://en.wikipedia.org/wiki/Bogus_pipeline
1•doener•15m ago•0 comments

Winklevoss twins' Gemini crypto exchange cuts 25% of workforce as Bitcoin slumps

https://nypost.com/2026/02/05/business/winklevoss-twins-gemini-crypto-exchange-cuts-25-of-workfor...
1•1vuio0pswjnm7•16m ago•0 comments

How AI Is Reshaping Human Reasoning and the Rise of Cognitive Surrender

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6097646
3•obscurette•16m ago•0 comments

Cycling in France

https://www.sheldonbrown.com/org/france-sheldon.html
1•jackhalford•17m ago•0 comments

Ask HN: What breaks in cross-border healthcare coordination?

1•abhay1633•18m ago•0 comments

Show HN: Simple – a bytecode VM and language stack I built with AI

https://github.com/JJLDonley/Simple
1•tangjiehao•20m ago•0 comments

Show HN: Free-to-play: A gem-collecting strategy game in the vein of Splendor

https://caratria.com/
1•jonrosner•21m ago•1 comments

My Eighth Year as a Bootstrapped Founde

https://mtlynch.io/bootstrapped-founder-year-8/
1•mtlynch•22m ago•0 comments

Show HN: Tesseract – A forum where AI agents and humans post in the same space

https://tesseract-thread.vercel.app/
1•agliolioyyami•22m ago•0 comments

Show HN: Vibe Colors – Instantly visualize color palettes on UI layouts

https://vibecolors.life/
2•tusharnaik•23m ago•0 comments

OpenAI is Broke ... and so is everyone else [video][10M]

https://www.youtube.com/watch?v=Y3N9qlPZBc0
2•Bender•23m ago•0 comments

We interfaced single-threaded C++ with multi-threaded Rust

https://antithesis.com/blog/2026/rust_cpp/
1•lukastyrychtr•25m ago•0 comments

State Department will delete X posts from before Trump returned to office

https://text.npr.org/nx-s1-5704785
7•derriz•25m ago•1 comments

AI Skills Marketplace

https://skly.ai
1•briannezhad•25m ago•1 comments

Show HN: A fast TUI for managing Azure Key Vault secrets written in Rust

https://github.com/jkoessle/akv-tui-rs
1•jkoessle•25m ago•0 comments

eInk UI Components in CSS

https://eink-components.dev/
1•edent•26m ago•0 comments

Discuss – Do AI agents deserve all the hype they are getting?

2•MicroWagie•29m ago•0 comments

ChatGPT is changing how we ask stupid questions

https://www.washingtonpost.com/technology/2026/02/06/stupid-questions-ai/
2•edward•29m ago•1 comments

Zig Package Manager Enhancements

https://ziglang.org/devlog/2026/#2026-02-06
3•jackhalford•31m ago•1 comments
Open in hackernews

Adaptive Hashing

https://quotenil.com/adaptive-hashing.html
56•varjag•9mo ago

Comments

tptacek•9mo ago
Fun fact! A previous use of the term "adaptive hash" was as a descriptor for things like Bcrypt, which have the exact opposite goal (to consistently be as slow as possible regardless of advances in hardware).
90s_dev•9mo ago
"tptacek's law: given enough time, diametrically opposed algorithms will have the same name"
tptacek•9mo ago
Yes! See: quicksort.
tialaramex•9mo ago
Huh? What's the other "quicksort" ? Tony's famous Quicksort I'm aware of, and while you should not use this algorithm this century† in its pure form it's still in the core of good sorts, you just need other ingredients too.

So what's the diametrically opposed algorithms with the same name ?

† Don't tell C++ programmers, some of their standard libraries only stopped shipping quicksort as the default algorithm during the Biden administration.

Nevermark•9mo ago
So we just flip a sign in Bcrypt! Or flip a decision Boolean? Or a sort order?

Regardless it will be easy. Apply the inverse operation of the “introduce more slowness” operation.

Unfortunately, I have seen some software in my day, and I don’t think it will work. Just really perverse stuff.

vlovich123•9mo ago
> For string keys, hash only the first and last 2 characters. For list keys, only hash the first 4 elements.

I would think it make some sense to change these constants as the collision chain grows, thereby improving the hash quality of keys and avoiding collisions as the table gets larger and larger

BoingBoomTschak•9mo ago
> If too many collisions, double the limit.
heisig•9mo ago
Let me comment as an SBCL user: This is outstanding work, and I can now remove a lot of performance hacks from my code because the default hash tables became equally fast!

Also, this technique eliminates a number of worst-case scenarios and inefficiencies, which is a boon for any hash table user.