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Chinese voice actor forced to prove he's human against AI clones

https://www.sixthtone.com/news/1018753/TheChineseVoiceActorForcedtoProveHe’sHuman
1•whiteblossom•29s ago•0 comments

Live2D Body for Hermes Agent

https://github.com/Soundpulse/hermes-live2d
1•totallyscout•3m ago•1 comments

Japanese payment processor's collapse hits banks and restaurants

https://www.japantimes.co.jp/business/2026/07/08/companies/zentoshin-impact-restaurants/
2•mikhael•4m ago•0 comments

Thoughts on AI

https://jackpeplinski.bearblog.dev/thoughts-on-ai/
1•jackpep•6m ago•0 comments

CO2: Language backward compatible with C, with access to the Rust ecosystem

https://github.com/hkalbasi/co2/tree/main
1•Georgelemental•10m ago•0 comments

Six months daily driving Linux

https://interestingstuff.xyz/reviews/six-months-daily-driving-linux/
1•interestingstuf•11m ago•0 comments

Show HN: Baton - Know which of your AI coding agents needs you

https://github.com/neilkpatel/baton
1•nkp007•13m ago•0 comments

Show HN: Web App Uses RTL-SDR to Align HDTV Antenna

https://tunerscope.com/
1•robotastic•16m ago•0 comments

I tried 5 free image-to-ASCII converters so you don't have to

https://image-to-ascii.com/
1•LumisYY•22m ago•0 comments

That Is Load-Bearing

https://old.reddit.com/r/ClaudeAI/comments/1tob6q5/that_is_loadbearing/
1•varun_chopra•24m ago•0 comments

Frank Lloyd Wright's First Home

https://www.architecturaldigest.com/story/frank-lloyd-wright-home-and-studio-everything-you-need-...
1•NaOH•27m ago•0 comments

The cloud begins with coal (2013)

https://www.cepi.org/the-cloud-begins-with-coal-an-overview-of-the-electricity-used-by-the-global...
1•thelastgallon•32m ago•0 comments

What most histories get wrong about MUMPS's first standard

https://github.com/rochus-keller/MUMPS/blob/main/docs/First_MUMPS_Standard_Article.md
1•Rochus•36m ago•0 comments

Self-Improving Agent Systems: A Unified View

https://yigengjiang.github.io/posts/self_improving_agent_systems/
1•ygx•37m ago•0 comments

PC Emulator PCem Makes It to WebAssembly

https://github.com/va3jfl/PCem-WebAssembly
2•JoelLagace•49m ago•0 comments

mRNA vaccine targeting tick proteins induces tick resistance in guinea pigs

https://medicine.yale.edu/news-article/yale-researchers-advance-work-in-diagnosing-and-preventing...
2•DogOfTheGaps•52m ago•0 comments

Pg_re2: 9x faster regular expressions in Postgres

1•saisrirampur•54m ago•1 comments

Australian Consumer advocate calls for mandatory domestic mobile roaming

https://www.abc.net.au/news/2026-07-13/calls-for-mandatory-domestic-mobile-roaming-intensify/1068...
4•ggm•57m ago•0 comments

The Battle of Carrhae (53B.C.E.) [video[

https://www.youtube.com/watch?v=bR7VDPUj5AE
1•JumpCrisscross•1h ago•0 comments

Is It Safe to Eat Pink Pork? Here's What You Need to Know

https://www.southernliving.com/is-it-ok-to-eat-pink-pork-11777418
1•mooreds•1h ago•0 comments

DeployKit: Agent-native deployment tooling for FDEs

https://cephos.substack.com/p/deploykit-agent-native-deployment
3•ism-cep•1h ago•0 comments

Is China's High-Quality Investment Output Economically Viable?

https://carnegieendowment.org/china-financial-markets/2026/04/is-chinas-high-quality-investment-o...
2•mooreds•1h ago•0 comments

Modernizing Property Tax Assessments in Allegheny County

https://www.prohousingpgh.org/blog/new-report-modernizing-property-tax-assessments-in-allegheny-c...
15•mooreds•1h ago•1 comments

Boinc-Like Crunching Numbers

https://primecrunch.com/
1•sudo_cowsay•1h ago•1 comments

People Can't Identify AI Poetry, but Enjoy It Less When Told It's by an AI

https://academic.oup.com/dsh/advance-article/doi/10.1093/llc/fqag067/8694305?login=false
1•willmarch•1h ago•0 comments

Medical examiner preliminary findings in Sen. Lindsey Graham's cause of death [video]

https://www.youtube.com/watch?v=u7-YKC7A_mA
2•Bender•1h ago•1 comments

Personas agents built from engagement data, scored on predictions

https://github.com/noashavit/noas-persona-loop
1•noashavit•1h ago•1 comments

Hyper-Local, Hyper-Cloud

https://www.proofofconcept.pub/p/hyper-local-hyper-cloud
2•herbertl•1h ago•0 comments

Less is more, more or less

https://jakub.kr/writing/less-is-more
1•herbertl•1h ago•0 comments

Putting a thrift store's inventory online with a $2 microcontroller

https://snapy.pro/blog/putting-a-thrift-stores-inventory-online
5•sej8•1h ago•2 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.