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Nvidia in Talks with OpenAI to Guarantee $250B Financing for Data Center

https://www.wsj.com/tech/ai/nvidia-in-talks-with-openai-to-guarantee-250-billion-financing-for-da...
1•taurath•7m ago•1 comments

Show HN: 3D music visualization on Apple Vision Pro

https://old.reddit.com/r/VisionPro/comments/1v5llv9/3d_music_visualization_on_apple_vision_pro/
1•linxy97•7m ago•0 comments

Show HN: Watch random code typed out on an MS-DOS IDE

https://hackerman.specr.net/
2•vunderba•11m ago•0 comments

Sand battery: Finland's answer to a renewable energy headache

https://www.cnbc.com/2026/07/25/finland-sand-battery-renewable-energy-storage.html
2•coderintherye•12m ago•0 comments

Why AI Doesn't Replace Software Architecture – It Makes It More Valuable

https://wilburhimself.github.io/blog/65-why-ai-doesnt-replace-software-architecture/
1•wilburhimself•13m ago•1 comments

Malicious sites use JavaScript to build malware in browser memory

https://www.bleepingcomputer.com/news/security/malicious-sites-use-javascript-to-build-malware-in...
1•justworks•13m ago•0 comments

Show HN: CarbonSheets – Host your own customizable cheatsheet portal In GitHub

https://carbonsheets.vercel.app/
1•elnoxvie•16m ago•0 comments

Physicists build a computer from 400 particles orbiting in liquid

https://www.tomshardware.com/tech-industry/physicists-build-a-computer-from-400-particles-orbitin...
1•sbulaev•22m ago•0 comments

Sticky notes on a storyboard became my savior productivity app

https://www.taskloco.com/
1•taskloco_nyc•23m ago•0 comments

The Optimization Theory of Everything

https://12gramsofcarbon.com/p/the-optimization-theory-of-everything
1•theahura•29m ago•1 comments

Show HN: Quintile – keyboard-only window grids for Mac

https://github.com/stefanopineda/quintile
1•stefanopineda•33m ago•0 comments

Foxconn drops VMware, adopts hyperconverged upstart Arcrfra

https://www.theregister.com/virtualization/2026/07/27/foxconn-drops-vmware-adopts-hyperconverged-...
1•NordStreamYacht•34m ago•0 comments

Show HN: ASL V6 – Open-source AST red-teaming engine for Python AI agents

https://github.com/sivaadityacoder/asl-v6
2•sivaaditya•38m ago•0 comments

Show HN: Injectable time and timers with custom Date types for TypeScript

https://github.com/jaenyf/time-provider
1•jaenyf•40m ago•0 comments

Multimodal foundation model for image and video understanding from Microsoft

https://huggingface.co/microsoft/Mage-VL
1•MehrdadKhnzd•40m ago•0 comments

Bullwhip Effect

https://en.wikipedia.org/wiki/Bullwhip_effect
3•vismit2000•41m ago•0 comments

It is empowering to hand off execution

https://www.charbzg.com/blog/ai-empowerment
1•charbz•43m ago•1 comments

Palette Vault – Color Palettes and Hex Codes

https://palettevault.github.io/
4•javatuts•45m ago•0 comments

Porffor: An ahead-of-time JavaScript-to-native/WASM compiler

https://porffor.dev/
2•goranmoomin•46m ago•0 comments

Newpipe Extractor in WASM

https://github.com/thegrims/newpipe-extractor-wasm
1•aidangrimshaw•51m ago•1 comments

Paywall-free News Aggregator

https://freepress.today/
1•niraj-agarwal•54m ago•1 comments

Show HN: a Rust, Wayland, Vulkan 3D CRT, screencast application, retroarch cores

https://github.com/andrewfader/crtulum
1•androsynth89•1h ago•0 comments

India cuts internet, then demands removal of bitchat's code

https://korben.info/en/india-cuts-internet-demands-removal-bitchat-code.html
3•sakumen•1h ago•1 comments

Improving Terminal Ergonomics

https://aiex7.github.io/blog/articles/improving-terminal-ergonomics/
1•harr01•1h ago•0 comments

Why Lean is faster than Rust

https://kim-em.github.io/blog/2026-7-24-why-lean-is-faster-than-rust/
1•replatformradar•1h ago•1 comments

Renaissance Man: imago ex machina

https://github.com/willswire/renaissance-man
1•willswire•1h ago•0 comments

Genvap – Turn a screen recording into a cinematic app showcase video

https://genvap.com/
1•equinnt•1h ago•1 comments

What breaks in production AI workflows?

https://www.indiehackers.com/post/weve-reproduced-30-real-ai-runtime-failures-over-the-past-week-...
2•doodlebyte•1h ago•0 comments

Show HN: Static MCP – publish MCP tools as static files, run them sandboxed

https://github.com/MauricioPerera/mcpwasm
2•rckflr•1h ago•0 comments

I got tired of deleting tracking parameters from URLs

2•hexcode_•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•1y ago
Do most people not know about omega and theta or perhaps they intentionally misuse asymptotic notation?

Comments

adrianN•1y ago
Finding lower bounds is generally more difficult.
amichail•1y ago
People often use big O notation in all cases including for lower bounds.
adrianN•1y ago
BigO for lower bounds is plain wrong
numpad0•1y ago
Those aren't in the ASCII table.
compressedgas•1y 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.