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German industry has lost nearly half a million jobs since 2019, Ifo says

https://www.reuters.com/business/german-industry-has-lost-nearly-half-million-jobs-since-2019-ifo...
1•frank_clover•23s ago•0 comments

PublishRank

https://sourceforge.net/projects/publishrank/
1•umarjaum•43s ago•0 comments

Security Swarm

https://docs.devin.ai/work-with-devin/security-swarm
1•gmays•48s ago•0 comments

MyLibrarian Is Launching iOS

https://testflight.apple.com/join/ye8MVmDc
1•sexylibrarian•2m ago•1 comments

Nothing Is Boring in America

https://www.commonreader.co.uk/p/nothing-is-boring-in-america
1•mooreds•2m ago•0 comments

Show HN: MCP for Ordering Assembled PCBs

https://provenmetal.com/mcp
2•willcarkner•2m ago•1 comments

Asking Astra to decipher the Indus script: 891M tokens later

https://chinmay.ai/blog/asking-astra-to-decipher-the-indus-script/
1•chinmaymk•3m ago•1 comments

Computer Chips Are the Most Magnificent Things Humanity Has Ever Made

https://www.newyorker.com/magazine/2026/10/26/computer-chips-are-the-most-magnificent-things-weve...
1•bookofjoe•3m ago•1 comments

ClassRoot: Class Management Built by a Studio Owner

https://classroot.app
1•payanai•4m ago•0 comments

DuckDB-WASM startup: from 6.8 to 2.3 seconds with Haybarn-WASM

https://query.farm/blog/duckdb-wasm-startup-time/
1•rustyconover•4m ago•0 comments

One Hash Bloom Filters

https://www.calabro.io/ohbf
1•fanf2•4m ago•0 comments

Dynamic MCP Server Discovery on Google Cloud

https://leoy.blog/posts/dynamic-mcp-server-discovery/
1•minherz•4m ago•0 comments

The Tell: Tom Goldstein's Double Life

https://www.thfndry.com/the-tell/
1•Tomte•5m ago•0 comments

Build a Basic AI Agent from Scratch: Session Management

https://www.ruxu.dev/articles/ai/build-an-ai-agent-sessions/
1•ruxudev•5m ago•0 comments

Show HN: Stillplay – The Windows XP games, rebuilt in C and WASM for the browser

https://github.com/btahir/stillplay
1•bilater•6m ago•0 comments

Refactoring Factorials

https://www.johndcook.com/blog/2026/10/19/refactoring-factorials/
1•ibobev•9m ago•0 comments

My Problem with Omarchy Is What I Like About Arch

https://dayvster.com/blog/my-problem-with-omarchy-is-what-i-like-about-arch/
2•ibobev•9m ago•0 comments

Thing About Side Projects Is Being Allowed to Care Too Much

https://dayvster.com/blog/the-best-thing-about-side-projects-is-being-allowed-to-care-too-much/
1•ibobev•9m ago•0 comments

Open source license compliance generally available

https://github.blog/changelog/2026-10-16-open-source-license-compliance-generally-available/
1•Tomte•11m ago•0 comments

Find My throws away the route. So I built the thing that keeps it

https://gregakespret.substack.com/p/find-my-throws-away-the-route-so
1•DeGi•12m ago•1 comments

Show HN: Remakecraft – Claude Code plugin that rewrites apps from behaviour

https://github.com/remakecraft/remakecraft
1•hellosverre•13m ago•0 comments

Show HN: Vlmhub – Simple Unified Python interface for vision-language models

https://github.com/dbiswas55/vlmhub
1•db55•13m ago•0 comments

Europe EV sales rose 70.3% in September, 32.6% of market share

https://www.reuters.com/business/europe-ev-sales-rose-70-september-almost-30-market-share-2026-10...
26•giuliomagnifico•16m ago•5 comments

The EU energy battle rages on – and Italy is losing

https://europe.repubblica.it/en/news/2026/10/19/news/italy_eu_energy_battle_meloni_carbon_pricing...
2•simonebrunozzi•16m ago•0 comments

Top cases on the US Supreme Court's docket

https://www.reuters.com/world/us/top-cases-us-supreme-courts-docket-2026-10-19/
1•usernomdeguerre•18m ago•1 comments

Inception "Mercury 3", 1000 tok/s diffusion LLM

https://www.inceptionlabs.ai/blog/introducing-mercury-3
32•cmrdporcupine•19m ago•7 comments

Ukraine carries out first ever aerial drone evacuation of a wounded soldier

https://www.dailymail.com/news/article-16220441/Ukraine-carries-aerial-drone-evacuation-wounded-s...
3•theflyingelvis•19m ago•0 comments

Show HN: Senseplane open-source eyes and ears for AI agents, on your own cameras

https://github.com/senseplane-ai/senseplane
1•oludareodedoyin•21m ago•0 comments

Securing the Agentic Insider

https://blogs.microsoft.com/blog/2026/10/19/securing-the-agentic-insider/
1•AnhTho_FR•22m ago•0 comments

Prism – a fast, open-source IDM alternative for Windows and Linux

https://github.com/FortoGraphy/prism-download-manager
1•FortoGraphy•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•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.