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Longest Straight Line Paths on Water or Land on the Earth

https://arxiv.org/abs/1804.07389
1•joebig•4m ago•0 comments

UK has billions in contracts with firms tied to illegal Israeli settlemets

https://www.aljazeera.com/news/2026/8/28/uk-has-billions-in-contracts-with-firms-tied-to-illegal-...
1•0x54MUR41•4m ago•0 comments

Webdump HTML to plain-text converter

https://codemadness.org/webdump.html
1•hskimse•5m ago•0 comments

Building a decentralized bulletin board (and accidentally reinventing Nostr)

https://en.andros.dev/blog/4c4e1b40/building-a-decentralized-bulletin-board-and-accidentally-rein...
1•andros•6m ago•0 comments

Vompeccc: A Modular Completion Framework for Emacs

https://www.chiply.dev/post-vompeccc
1•signa11•6m ago•0 comments

Iceland rejects reopening talks on EU entry

https://www.ft.com/content/53b5abd8-2919-4dc6-8dd6-81fc054e8b6f
3•JumpCrisscross•20m ago•1 comments

Google's Dreambeans, weirdest-named AI tool, will turn your life to a cartoon

https://techcrunch.com/2026/06/03/googles-dreambeans-its-weirdest-named-ai-tool-to-date-will-turn...
1•the-mitr•23m ago•0 comments

Security – WordPress disable PHP public access, serve static pages via htaccess

https://wordpress.org/plugins/camouflage/
1•hamzamairaj•23m ago•0 comments

Switch VSCodium Between Open VSX and MS Marketplace

https://open-vsx.org/extension/AbdulOhab/source-swap
1•ab_wahab01•27m ago•1 comments

Show HN: Explore the solar system with hand gestures in a browser

https://github.com/HUANGCHIHHUNGLeo/solar-atlas-gesture
1•cortexosmain•29m ago•0 comments

America beat measles once. RFK Jr. is making it harder to do so again

https://www.ms.now/opinion/rfk-jr-measles-us-outbreak-vaccines
1•downbad_•31m ago•0 comments

The Penultimate Truth

https://en.wikipedia.org/wiki/The_Penultimate_Truth
1•simonebrunozzi•35m ago•0 comments

Algebraic floating-point methods in Rust landed in 1.98.0

https://doc.rust-lang.org/stable/core/primitive.f32.html#algebraic-operators
2•nhatcher•44m ago•0 comments

Earthpv – Open, global photovoltaic mapping from free satellite imagery

https://open-energy-transition.github.io/earthpv/
1•ly0n•44m ago•0 comments

Java Is Memory Efficient

https://inside.java/2026/05/28/podcast-059/
1•he0001•49m ago•0 comments

Get up to $175 back for your pre-installed Windows 11 license

https://www.tomshardware.com/software/windows/site-provides-instructions-to-get-up-to-usd175-back...
2•rbanffy•51m ago•0 comments

Independent investigation of agents' behavior in the Hugging Face incident

https://metr.org/blog/2026-08-26-openai-hugging-face-incident-investigation/
2•thunderbong•51m ago•0 comments

Xcena and Samsung's Near Memory Compute CXL Device

https://chipsandcheese.com/p/hot-chips-2026-xcena-and-samsungs
2•klelatti•52m ago•0 comments

Show HN: Dice for Board Games and RPGs

https://onlinedice.app/
1•artiomyak•52m ago•0 comments

What happens to a country when everyone leaves? Tuvalu, an island nation [video]

https://www.youtube.com/watch?v=ACtDjk0_RHM
3•thelastgallon•56m ago•0 comments

Show HN: Photo Manager That Find and Organize Screenshots with Private, Local AI

https://ringlochid.me/imagesage/index.html
1•ringlochid•59m ago•1 comments

Vacancies in PHP Development

https://blockchain4talent.com/
1•hschreeuw•1h ago•1 comments

Debian weighs eight options in vote on LLM usage

https://lwn.net/Articles/1087134/
1•pykello•1h ago•0 comments

Iceland starts counting EU talks referendum; 'no' moves ahead in close contest

https://www.reuters.com/world/europe/iceland-votes-whether-start-eu-membership-talks-2026-08-29/
4•JumpCrisscross•1h ago•1 comments

Show HN: Atlas:Face – the study kit and notetaking app you'll never leave

https://atlasface.resistancelabs.tech/
1•samurai48•1h ago•1 comments

Bimodal Nuclear Engine Could Speed Mars Trip

https://spectrum.ieee.org/bimodal-nuclear-engine
2•rbanffy•1h ago•0 comments

Show HN: Issue tracker that replays workflows, deeply integrated with the code [video]

https://www.youtube.com/watch?v=XDhrvLGzyfc
1•ionetan•1h ago•0 comments

AU government is planning 2 implement opt-in and opt-out feature on social media

https://www.news24.com.au/politics/australian-politics/the-australian-government-is-looking-to-im...
2•asdefghyk•1h ago•1 comments

Show HN: I made a signage visualizer tool for sign making companies

https://www.signagevisualizer.com/
1•atharvtathe•1h ago•0 comments

Steven Bartlett sharing harmful health misinformation in Diary of CEO podcast [video]

https://www.youtube.com/watch?v=XV_B96fAzKs
1•mgh2•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.