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Claude Haiku 5.5

https://platform.claude.com/docs/en/models/haiku-5-5/overview
1•denysvitali•55s ago•0 comments

No new Ghostty updates since March

https://github.com/ghostty-org/ghostty/tags
2•zatkin•6m ago•0 comments

Artifact Arena: Making is the measure of intelligence

https://artifactarena.ai
5•dmayo•7m ago•0 comments

Boredom is Life: a brief excerpt from the new book "You Don't Need A Smartphone"

https://augustlamm.substack.com/p/boredom-is-life
1•thoughtpeddler•7m ago•0 comments

Bringing Back the Dead Programs

https://siberiancat467109.substack.com/p/bringing-back-the-dead-programs
1•siberiankot•7m ago•0 comments

We're 'an intelligence organization now': Inside USA Today's Palantir deal

https://www.fastcompany.com/91608398/usa-today-palantir
2•johnshades•8m ago•0 comments

Docker Agent

https://github.com/docker/docker-agent
2•saikatsg•8m ago•0 comments

FICO cuts workforce by 15% in AI-driven restructuring

https://www.reuters.com/business/world-at-work/fico-cuts-workforce-by-15-ai-driven-restructuring-...
4•frank_clover•11m ago•0 comments

Sizing Up SMRs: Assessing U.S.-China Tech Competition in Small Modular Reactors

https://scsp222.substack.com/p/introducing-sizing-up-smrs-assessing
1•johnshades•11m ago•0 comments

Amazon's 'About You' section guesses oddly specific details about shoppers

https://www.theverge.com/tech/1006712/amazon-about-you-shopping-data
3•ohjeez•15m ago•1 comments

Situation: A Bear Miss

https://bitbanter.com/posts/2026-09-10/situation-a-bear-miss/
1•LolWolf•16m ago•0 comments

DuckDB Ducklake

https://github.com/duckdb/ducklake
2•saikatsg•16m ago•0 comments

Show HN: SkanQRCode – URL & IP safety API returning verdicts in <500ms

https://skanqrcode.com/
1•eldersantos•18m ago•0 comments

Show HN: ChillSweep – A better cleaner app for PC and Mac

https://github.com/terranivium/chillsweep
1•terranivium•19m ago•0 comments

Scientists discover the deep sleep circuit that impacts muscle, fat, the brain

https://www.sciencedaily.com/releases/2026/06/260626030433.htm
3•mikhael•19m ago•0 comments

Digital Transformation ROI in 2026

https://phpscientist.com/blog/digital-transformation-roi-2026-ai-pilots-to-growth/
1•senthil_kr•19m ago•0 comments

$2599 Microsoft Surface Laptop Ultra

https://www.microsoft.com/en-us/surface/devices/surface-laptop-ultra
4•cromka•20m ago•4 comments

Zed Editor, Docker Agent, ACP, but in a sandbox: running the agent with sbx

https://k33g.org/p/20261004-acp-sbx-docker-agent
2•speckx•20m ago•0 comments

Agents Don't Need Another Memory API. They Need a Memory Agent

https://medium.com/@majid.fekri/your-agents-dont-need-another-memory-api-they-need-a-memory-agent...
2•supportm•21m ago•0 comments

AI, Work, and the Next Downturn

https://watch.wilsoniumite.com/
3•Wilsoniumite•21m ago•0 comments

What will AI do to our jobs and our wages? [video]

https://www.youtube.com/watch?v=kAkpzlR7io8
2•Wilsoniumite•22m ago•0 comments

SatBleed: Security of Commoditized Communication Modules in Satellites

https://arxiv.org/abs/2610.06258
2•memorybadger•22m ago•0 comments

C for Rust Programmers

https://bd103.dev/blog/2026-10-07-c-for-rust-programmers/
1•torutofu•24m ago•1 comments

Driving an Nvidia GPU from a Hobby Rust Kernel: GSP-RM to Vulkan

https://github.com/oriaj-nocrala/rust_so_kernel/blob/master/docs/blog/gsp-to-vulkan.md
2•oriaj-nocrala•26m ago•0 comments

Every castle on Earth – an independent catalogue and world ranking

https://thousandcastles.com/
1•pronskiy•28m ago•0 comments

You click a PostHog survey. An attacker gets your whole account

https://www.strix.ai/blog/posthog-survey-account-takeover
9•bearsyankees•28m ago•1 comments

Ask HN: Is the xcancel source code publicly available?

2•bigwheels•30m ago•1 comments

The Engineering Behind Lagos Life

https://africanengineer.com/i/lagos-life
1•dominuskelvin•31m ago•0 comments

Show HN: Manifestack – open-source stack audit inside your coding agent

https://github.com/manifestack/manifestack
1•dminglv•31m ago•0 comments

I found an exoplanet using Claude, and now you can fly to it yourself

https://twitter.com/p_rabtsevich/status/2107803696058822742
1•bigwheels•32m 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.