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Show HN: SaaS Pegasus – the original Django boilerplate, now MIT-licensed

https://github.com/saaspegasus/django-boilerplate
1•czue•5m ago•0 comments

Elon's Net Worth Today

https://whatselonworth.com/
2•Malfunction92•7m ago•1 comments

See How Sam Altman's Personal Investments Benefit from Ties to OpenAI

https://www.wsj.com/tech/ai/see-how-sam-altmans-personal-investments-benefit-from-ties-to-openai-...
1•thm•7m ago•0 comments

Show HN: DomainDash – uptime/SSL/domain checks for client sites

https://domaindash.io
1•edcs•7m ago•0 comments

Ask HN: Does in your workplace employee engagement / recognition is important?

2•mattsadowsky•8m ago•1 comments

Fil-C Linux/x86_64 version 0.680 Latest

https://github.com/pizlonator/fil-c/releases/tag/v0.680
2•sibellavia•9m ago•0 comments

Recursively Diff Packages

https://github.com/anthraxx/diffoscope
1•ankitg12•10m ago•0 comments

OCaml 5.5.0 Released

https://discuss.ocaml.org/t/ocaml-5-5-0-released/18265
2•dtoma•11m ago•0 comments

Run isolated sandboxes with full lifecycle control: AWS introduces MicroVMs

https://aws.amazon.com/blogs/aws/run-isolated-sandboxes-with-full-lifecycle-control-aws-lambda-in...
1•justincormack•11m ago•0 comments

I built a GPU back end for Emacs

https://en.andros.dev/blog/4b707a03/how-i-built-a-gpu-backend-for-emacs/
1•andros•12m ago•0 comments

Show HN: I built a PC-part picker that handles compatibility and shortages

https://pc-cool.com/
1•mesahm•14m ago•0 comments

Show HN: OpenTerm – A tiny, fast SSH client (no login, no cloud, free)

https://github.com/zhangshuo1991/openterm
1•zhangshuo1991•14m ago•0 comments

Sakana.ai releases a model competiting with Fable

https://sakana.ai/fugu-release/
2•LexSiga•15m ago•0 comments

A game where you're an OS and have to manage processes, memory and I/O events

https://github.com/plbrault/youre-the-os
2•exploraz•16m ago•1 comments

AI models capable of devastating attacks on governments and business months away

https://www.theguardian.com/technology/2026/jun/22/anthropic-claude-fable-ai-model-artificial-int...
1•eternalreturn•17m ago•0 comments

Reclassifying ARC as Historic – DKIM2 to solve the problem better

https://datatracker.ietf.org/doc/draft-ietf-dmarc-arc-to-historic/
1•peregrinus_13•17m ago•0 comments

NavigationServer2D in Godot: The Complete Guide

https://vav-labs.com/blog/navigationserver2d-godot-complete-guide/
1•Vav-Labs•17m ago•0 comments

Show HN: VibePantry – Photograph your kitchen, get recipes from what you have

https://vibepantry.com/
2•bigjick•17m ago•0 comments

In-App Avatar Integration

https://www.elias-schoko-shop.de/
1•eschwalme•19m ago•1 comments

standard.site

https://standard.site/
1•soheilpro•20m ago•0 comments

We found a bug in the hyper HTTP library

https://blog.cloudflare.com/hyper-bug/
1•soheilpro•21m ago•0 comments

Democratic Tech Alliance

https://democratic.technology/
2•doener•22m ago•0 comments

Hospitals switched to pen and paper to defeat a national cyber-attack

https://www.bbc.co.uk/news/articles/c4gyk756mzlo
2•mmarian•22m ago•0 comments

Show HN: Founder Pass – 6 indie dev tools lifetime for $14 (first 10 only)

https://xiaohou2503687-design.github.io/shipfast-oss/founder.html
1•shipfastcli•22m ago•1 comments

Metasearch: A self-hosted metasearch engine

https://github.com/tiagozip/metasearch
1•mrunix•26m ago•1 comments

Why AI Problems Are Becoming Philosophical Problems

https://kunyuan.substack.com/p/07concept-entrywhy-ai-problems-are
1•hufdr•27m ago•1 comments

ggsql 0.4.1: new release adds spatial plotting and in-layer aggregation

https://opensource.posit.co/blog/2026-06-23_ggsql_0_4_1/
2•thomasp85•28m ago•0 comments

Feedback on the logo for my programming language, Lopo

https://github.com/dominexmacedon-docs/lopo-docs/blob/main/lopo.png
1•dominex•30m ago•0 comments

Wlog: Claude Code token/cost/tool dashboard, single binary, no Grafana

https://github.com/openwong2kim/wlog
1•wong2kim•31m ago•0 comments

Watch me build out an 80s style BBS over SSH

2•buffer_overlord•35m 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.