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The end to a 7.5-year career

https://andreaowu.medium.com/the-end-to-a-7-5-year-career-d94d8e3f3151
1•AnthOlei•1m ago•0 comments

RocksDB development finds a CPU bug

https://rocksdb.org/blog/2026/02/17/cpu-bug.html
1•tanelpoder•1m ago•0 comments

Show HN: Spring CRUD Generator v1.2.0 – Flyway portability and Docker checks

https://github.com/mzivkovicdev/spring-crud-generator/releases/tag/v1.2.0
1•mzivkovicdev•3m ago•0 comments

Scientists thought they understood global warming. They did not

https://old.reddit.com/r/environment/comments/1r5bvlr/scientists_thought_they_understood_global_w...
1•doener•3m ago•0 comments

Show HN: MakeGradient – Free WebGL gradient engine,exports to Code/Figma/video++

https://www.makegradient.com/
1•uxdonkey•4m ago•0 comments

The Complete OpenClaw Guide

https://complete-open-claw-guide.vercel.app/
2•M0HD197•4m ago•0 comments

Show HN: Claude-Stream-Compactor

https://github.com/enigma/claude-streaming-compactor
2•ndr•5m ago•0 comments

Do not give away Diego Garcia, Trump tells UK

https://www.bbc.com/news/articles/c309qqyer8yo
1•tartoran•6m ago•0 comments

Non-Contributory Keys in the Matrix

https://blog.erinshepherd.net/2026/02/non-contributory-keys-in-the-matrix/
1•todsacerdoti•6m ago•0 comments

The next era of AI is not LLMs, it's Energy-Based Models EBMs

https://codedynasty.dev/posts/EBMs
2•66yatman•8m ago•0 comments

A Case Against 6 Democrats Lacked Urgency. Then Came a Swift Bid for Indictment

https://www.nytimes.com/2026/02/18/us/politics/pirro-inquiry-video-democratic-lawmakers.html
1•duxup•11m ago•1 comments

Show HN: MineDemo, a Minecraft-style demo recorder b/C I'm tired of boring demos

https://minedemo.mygictools.com/
1•arazh2020•11m ago•0 comments

Show HN: Strava for Claude Code

https://straude.com/
2•ohong•12m ago•0 comments

Ask HN: Why is it impossible to increase iPhone rings before vmail forward?

1•mergy•13m ago•1 comments

The Problem with AI Agents Isn't Identity, It's Authorization

https://fusionauth.io/blog/ai-authorization
2•mooreds•14m ago•0 comments

Botreef – An open-source autonomous coding server

https://github.com/johndo31/botreef
1•jnsiko•17m ago•1 comments

An Intuitive Introduction to PPO and GRPO

https://mesuvash.github.io/blog/2026/ppo-grpo/
2•mesuvash•17m ago•0 comments

What tech stack Claude Code defaults to when building apps

https://amplifying.ai/research/claude-code-picks
3•edwin•17m ago•1 comments

Spreadsheet Arena

https://www.meridian.ai/blog/all/spreadsheet-arena
1•gmays•17m ago•0 comments

Wired for power: The geopolitics of subsea cables in the South China Sea

https://www.rnz.co.nz/news/world/587219/wired-for-power-the-geopolitics-of-subsea-cables-in-the-s...
3•billybuckwheat•20m ago•0 comments

The Future of Media Is Pre-Deplatformed

https://www.garbageday.email/p/the-only-taboo-left-is-copyright-infringement
1•laurex•21m ago•0 comments

Show HN: I analyzed 227M Medicaid billing records to flag potential fraud

https://www.openmedicaid.org/
1•kianoconnor•21m ago•0 comments

Show HN: AgentForge – Multi-LLM Orchestrator in 15KB of Python

https://github.com/ChunkyTortoise/ai-orchestrator
1•chunktort•22m ago•0 comments

CMind: An AI Agent for Localizing C Memory Bugs

https://arxiv.org/abs/2601.14434
1•PaulHoule•23m ago•0 comments

Making Nintendo DS ROMs with Rust

https://matthewtejo.substack.com/p/making-nintendo-ds-roms-with-rust
6•mtejo•23m ago•0 comments

Canada's Request for AI Startups

https://zeitgeistml.substack.com/p/canadas-request-for-startups
1•eh_tk•24m ago•1 comments

8 Skiers dead after avalanche near Lake Tahoe

https://www.nbcnews.com/news/us-news/9-skiers-dead-avalanche-lake-tahoe-california-rcna259576
6•almosthere•24m ago•0 comments

Tariffs strike again: Companies warn of price increases in 2026

https://www.cnn.com/2026/02/17/business/video/berman-egan-tarrifs-price-hikes-cnc
4•kiriberty•24m ago•0 comments

Proud of This 3D Hot Dog That My AI Made

https://local001.com/
4•sampleSal•24m ago•2 comments

OpenSpatial – An OSS SpatialChat Alternative

https://github.com/srid/openspatial
1•srid•24m 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•9mo ago
Do most people not know about omega and theta or perhaps they intentionally misuse asymptotic notation?

Comments

adrianN•9mo ago
Finding lower bounds is generally more difficult.
amichail•9mo ago
People often use big O notation in all cases including for lower bounds.
adrianN•9mo ago
BigO for lower bounds is plain wrong
numpad0•9mo ago
Those aren't in the ASCII table.
compressedgas•9mo 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.