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How to debug a team that isn't working: the Waterline Model

https://www.lennysnewsletter.com/p/how-to-debug-a-team-that-isnt-working
1•quick_brown_fox•5m ago•0 comments

PIC64GX 64-bit RISC-V Quad-Core Microprocessors

https://www.microchip.com/en-us/products/microprocessors/64-bit-mpus/pic64gx
1•caned•11m ago•0 comments

DeltaDB now has a Claude Code plugin

https://delta.dev/blog/claude-code-multiplayer
1•g413n•14m ago•0 comments

Don't anthropomorphize big tech companies

https://www.seangoedecke.com/dont-anthropomorphize-big-tech-companies/
3•gfysfm•15m ago•0 comments

Show HN: Binary – hiring tool (ATS) for startups that is MCP friendly

https://binary.so
1•shikhar727•17m ago•0 comments

Anyone can get a job in IT

https://neutrinodetect.one/anyone_can_get_a_job_in_IT.html
2•AnjanaMohawk•20m ago•0 comments

A DIY browser check for Nginx to mitigate HTTP flood attacks

https://gladios.dev/
1•endel•24m ago•0 comments

I ran each AI coding-agent sandbox's own tests against the others

https://github.com/carlostapiacl/sandbox-conformance
1•carlostapia•25m ago•0 comments

44% of 94 live business-for-sale listings raise a high-severity red flag

https://firstpassmemo.com/red-flag-index/
1•JoanMurphy_FPM•26m ago•0 comments

Laissez Faire, Laissez Mourir – Visualizing Plutocracy

https://david.alvarezrosa.com/posts/laissez-faire-laissez-mourir/
1•thunderbong•27m ago•0 comments

Sneezecount (2018)

https://sneezecount.joyfeed.com
2•NaOH•30m ago•0 comments

Show HN: Clippa – Record your screen. Send a link

1•nikhildahake•32m ago•0 comments

Tiny Desk AI – Turn yourself and friends into an "Outstanding" meme video

https://tiny-desk-ai.app/
2•visiohex•34m ago•0 comments

Who Does America Owe $40T? (Explained Like You're 5)

https://www.youtube.com/watch?v=TmlvDH0ZFB4
1•cable2600•36m ago•0 comments

I built 327 distinct CI/CD workflows in 1 hour. GitHub flagged me as a spammer

https://github.com/Aissamohammedi88/toolkit
2•Nackher_news•45m ago•0 comments

Show HN: The New Way to Make AI UGC Ads in 2026

https://www.aivideosugc.com/ai-video-generation
4•tuongbadke•47m ago•0 comments

F

https://f.com
5•hjk-sys•48m ago•0 comments

Expansion Microscopy

https://en.wikipedia.org/wiki/Expansion_microscopy
2•hydrox24•48m ago•0 comments

Show HN: Cirkit – Annotate, Trace, and Ask AI About Schematic PDFs

https://www.cirkit.us/demo/
2•Tal005•52m ago•0 comments

Show HN: How to Make AI UGC Ads in 2026 Using an AI Video Generator

https://www.aivideosugc.com/
1•tuongbadke•52m ago•2 comments

A bust-up between mathematicians fuels fears that AI could undermine science

https://www.bbc.com/news/articles/c6gelgxjwzdzo
2•dabinat•53m ago•0 comments

Artificial Analysis Intelligence Index v5

https://artificialanalysis.ai/articles/artificial-analysis-intelligence-index-v5
2•hn-aarvin•55m ago•0 comments

Proof by OpenAI of the Existence of Quantum Yang-Mills Theory (statement) [pdf]

https://www.kitp.ucsb.edu/sites/default/files/YM_working_group.pdf
1•johntb86•56m ago•0 comments

The Beanstalk Challenge

https://www.beanstalkchallenge.com/
2•bhartzer•1h ago•0 comments

Introducing Fern

https://mirendil.com/news/introducing-fern/
1•gmays•1h ago•0 comments

Compressing LLMs Without Compromise

https://www.sigarch.org/compressing-llms-without-compromise/
1•peter_d_sherman•1h ago•1 comments

Show HN: Software Bloat Calculator

https://hissingkitty.com/tools/software-bloat
1•drewlem•1h ago•1 comments

Wikipedia: Signs of AI Writing

https://en.wikipedia.org/wiki/Wikipedia:Signs_of_AI_writing
2•georgecmu•1h ago•2 comments

Tailscale Tailworm: SSH socket forwarding ran as root, fixed in 1.104.4

https://hol.org/blog/tailscale-tailworm-ssh-root-escalation-ts-2026-014-upgrade-1-104-4
2•michaelkantor•1h ago•0 comments

After its Odyssey, IMAX hits the big time

https://www.economist.com/business/2026/10/27/after-its-odyssey-imax-hits-the-big-time
1•andsoitis•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.