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AI URI Scheme

https://www.ietf.org/archive/id/draft-sogomonian-ai-uri-scheme-01.html
1•enz•5m ago•0 comments

Show HN: Jigsaw Designer – Generate SVG jigsaw puzzles in seconds, not hours

https://jigsawdesigner.com/en
1•jigsawdesigner•8m ago•1 comments

I realized bad lighting is quietly hurting productivity (and no one measures it)

1•emmasuntech•11m ago•0 comments

Show HN: Beautiful browser-based music frequencies

https://github.com/iamdinakar/music
1•DinakarS•12m ago•0 comments

Miss

1•Alicia-Garcia•20m ago•0 comments

Countries with the Most Spoken Languages

https://www.visualcapitalist.com/ranked-the-10-countries-with-the-most-spoken-languages/
2•gsf_emergency_6•21m ago•1 comments

15Minutes – I watched an Hormozi reel and built a time-tracking app

https://apps.apple.com/us/app/15-minutes-timer-tracker/id6755746138
1•rohidjetha•21m ago•1 comments

China to regulate CEO romance micro dramas, warns against promoting materialism

https://www.globaltimes.cn/page/202411/1323805.shtml
2•walterbell•22m ago•0 comments

Traits of a Good Tech Lead

https://world.hey.com/joaoqalves/traits-of-a-good-tech-lead-b5cac0ae
2•kiyanwang•25m ago•0 comments

Shallow trees with heavy leaves (2020)

https://cp4space.hatsya.com/2020/12/13/shallow-trees-with-heavy-leaves/
2•HeliumHydride•27m ago•0 comments

Show HN: Xhancer – Enhance Your /Twitter Experience

https://xhancer.com/
1•luokuo•29m ago•0 comments

Risk of acute kidney injury and mortality in patients vaccinated for Covid-19

https://www.medsci.org/v22p4483.htm
2•walterbell•33m ago•0 comments

Tech Labs request-for-info: NSF funding for research orgs outside academia

https://sam.gov/workspace/contract/opp/7332ade93217443ba8c9abb916904e03/view
1•gsf_emergency_6•35m ago•0 comments

English vocabulary test – how many words do you know?

https://www.myvocab.info/en
2•danousna•37m ago•0 comments

Show HN: luainstaller – Package your Lua scripts into binaries

https://github.com/Water-Run/luainstaller
1•WaterRun•38m ago•0 comments

Dominatrix turns tech founder to combat revenge porn

https://www.bbc.com/news/articles/c98n6yr3eg8o
1•defrost•49m ago•0 comments

Jubilant: Python Subprocess and Go Codegen

https://benhoyt.com/writings/jubilant/
1•benhoyt•55m ago•0 comments

UK Influencer Livestreams Encounter with Ringo Starr, Whom He Doesn't Recognize

https://stereogum.com/2482933/uk-influencer-ed-matthews-livestreams-encounter-with-ringo-starr-wh...
2•thomassmith65•57m ago•0 comments

Fuzix on a Raspberry Pi Pico

https://ewpratten.com/blog/fuzix-pi-pico
2•ewpratten•1h ago•0 comments

From trees to graphs: speeding up vector search 10x with Hannoy

https://blog.kerollmops.com/from-trees-to-graphs-speeding-up-vector-search-10x-with-hannoy
3•uonr•1h ago•1 comments

Any reliable free AI business plan generators?

1•selmas58•1h ago•0 comments

Show HN: Warper – The fastest React virtualization library, built with Rust/WASM

https://warper.tech/
2•itsmeadarsh•1h ago•0 comments

Realtime Rendering of Caustics

https://www.youtube.com/watch?v=cD_jnCAqxWk
1•E-Reverance•1h ago•0 comments

Hacker News Popup – Chrome Web Store

https://chromewebstore.google.com/detail/hacker-news-popup/decfpoogjcefcgolalhpigfcofidngjk
2•mnunkowme•1h ago•0 comments

Group Chats in ChatGPT – OpenAI Help

https://help.openai.com/en/articles/12703475-group-chats-in-chatgpt
1•nalinidash•1h ago•0 comments

Why proteins fold and how GPUs help us fold

https://aval.bearblog.dev/nvidiaproteins/
24•diginova•1h ago•3 comments

Distilling persona vectors into LLM weights

https://martianlantern.github.io/2025/12/persona-vector-distillation/
1•martianlantern•1h ago•0 comments

Rob Reiner, Legendary Comedic Actor and Director, Found Dead in His Home

https://variety.com/2025/film/news/rob-reiner-dead-princess-bride-spinal-tap-1236608541/
3•boarsofcanada•1h ago•2 comments

Speed matters: Why working quickly is more important than it seems

https://jsomers.net/blog/speed-matters
2•bschne•1h ago•1 comments

The Republic of Rose Island

https://en.wikipedia.org/wiki/Republic_of_Rose_Island
2•devrob•1h ago•0 comments
Open in hackernews

Ask HN: Why is big O often used in CS when omega or theta should be used?

2•amichail•7mo ago
Do most people not know about omega and theta or perhaps they intentionally misuse asymptotic notation?

Comments

adrianN•7mo ago
Finding lower bounds is generally more difficult.
amichail•7mo ago
People often use big O notation in all cases including for lower bounds.
adrianN•7mo ago
BigO for lower bounds is plain wrong
numpad0•7mo ago
Those aren't in the ASCII table.
compressedgas•7mo ago
I've found some people on a well known QA site to be so strict with big-O notation that I don't use it anymore and instead only refer to constant, linear, quadratic time and so on. Even when O(1), O(n), O(n^2) would be actually easier to write even if they are technically wrong.