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Show HN: FFmpeg API Cloud – Run FFmpeg over HTTP

https://ffmpeg-api.cloud
1•gregzeng95•1m ago•0 comments

Apache Cloudberry 2.1.0

https://www.postgresql.org/about/news/apache-cloudberry-210-released-postgresql-based-mpp-databas...
1•salkahfi•1m ago•0 comments

A glimpse of the new software engineering

https://adlrocha.substack.com/p/adlrocha-a-glimpse-of-the-new-software
1•adlrocha•2m ago•0 comments

How much do sandboxes cost?

https://sandboxprices.swerdlow.dev/
2•benswerd•2m ago•1 comments

RAG as Similarity Engine

https://necromant2005.github.io/dev/rag-as-similarity-engine/
2•rmykhajliw•5m ago•2 comments

Token usage: Vanity metrics are back

https://jasperinsweden.substack.com/p/vanity-metrics-are-back
2•imartin2k•5m ago•0 comments

All you need is myformconnect

1•myformconnect•6m ago•0 comments

EU age verification app: "Worry-free package" with security vulnerabilities

https://www.heise.de/en/news/EU-age-verification-app-Worry-free-package-with-security-vulnerabili...
2•_tk_•8m ago•0 comments

Techie buys fake Ledger Nano S+ hardware wallet and almost falls for phishing

https://www.tomshardware.com/tech-industry/cyber-security/techie-buys-fake-ledger-nano-s-hardware...
2•NewCzech•11m ago•0 comments

Show HN: SharpSkill – I simplified the process of ITWs preparation

https://sharpskill.dev/en
1•Enjoyooor•18m ago•0 comments

Marvin Minsky – Steps Toward Artificial Intelligence (1961) [pdf]

https://courses.csail.mit.edu/6.803/pdf/steps.pdf
1•the-mitr•19m ago•0 comments

Show HN: Understand Anything – Graphs that teach > graphs that impress

https://github.com/Lum1104/Understand-Anything
1•lum1104•22m ago•0 comments

Show HN: Browser Sysinfo – See everything a webpage can learn about you

https://sysinfo.theden.sh/
2•theden•22m ago•0 comments

HN: UmaBot – a multi-agent AI assistant

https://github.com/shaktsin/umaBot
1•shaktdev•23m ago•0 comments

Modern Rendering Culling Techniques

https://krupitskas.com/posts/modern_culling_techniques/
3•krupitskas•26m ago•0 comments

How (and why) we rewrote our production C++ front end infrastructure in Rust

https://blog.nearlyfreespeech.net/2026/04/17/how-and-why-we-rewrote-our-production-c-frontend-inf...
3•NewCzech•30m ago•0 comments

The Hilbert-Pólya Operator

https://substack.com/@metamagic/note/c-239237060
1•r0ze-at-hn•30m ago•0 comments

Under the hood of MDN's new front end

https://developer.mozilla.org/en-US/blog/mdn-front-end-deep-dive/
2•kevsim•35m ago•0 comments

Mythos and Cybersecurity

https://www.schneier.com/blog/archives/2026/04/mythos-and-cybersecurity.html
3•omer_k•36m ago•0 comments

Robot sprints to victory in Beijing, beating the half-marathon world record

https://apnews.com/article/humanoid-robots-half-marathon-beijing-302d0c4781bab20100d6a0bb4e77b629
4•tromp•40m ago•0 comments

Did Second-Wave Feminists Really "Forget" Motherhood?

https://fairerdisputations.org/second-wave-motherhood/
3•istist•42m ago•0 comments

The seven programming ur-languages

https://madhadron.com/programming/seven_ur_languages.html
3•helloplanets•42m ago•0 comments

Tell HN: macOS 26.4.1 bricked my MBP

4•nipponese•43m ago•0 comments

Language models transmit behavioural traits through hidden signals in data

https://www.nature.com/articles/s41586-026-10319-8
3•geox•55m ago•0 comments

Night into Day

https://billmckibben.substack.com/p/night-into-day
2•hackandthink•58m ago•0 comments

The RAM shortage could last years

https://www.theverge.com/ai-artificial-intelligence/914672/the-ram-shortage-could-last-years
13•omer_k•1h ago•6 comments

Regolo – European AI Provider

https://regolo.ai/
1•Mossy9•1h ago•1 comments

Android 15's hidden Linux Terminal is a real Debian VM – and it runs Claude Code

https://github.com/JoJa84/Codefone
4•JoJ84•1h ago•2 comments

Bullshit About Bullshit Machines [pdf]

https://aphyr.com/data/posts/411/the-future-of-everything-is-lies.pdf
2•hedayet•1h ago•1 comments

Hyperframes – AI Video Creation for Agents

https://github.com/heygen-com/hyperframes
1•steveharman•1h ago•1 comments
Open in hackernews

Ask HN: Why is big O often used in CS when omega or theta should be used?

2•amichail•11mo ago
Do most people not know about omega and theta or perhaps they intentionally misuse asymptotic notation?

Comments

adrianN•11mo ago
Finding lower bounds is generally more difficult.
amichail•11mo ago
People often use big O notation in all cases including for lower bounds.
adrianN•11mo ago
BigO for lower bounds is plain wrong
numpad0•11mo ago
Those aren't in the ASCII table.
compressedgas•11mo 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.