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Show HN: AI Colours

https://github.com/pilotpirxie/ai-colours
1•__natty__•33s ago•0 comments

Ask HN: What would justify writting an OS kernel in 2026?

1•alonsovm44•2m ago•0 comments

Show HN: PeekAI – Local-first observability for Python AI agents

https://github.com/oussamaKH63/peekai
1•ousskh63•3m ago•0 comments

Petition against Meta's employee training data collection for ML models

https://mcipetition.com/
1•reasonableklout•7m ago•0 comments

Show HN: Lupen – an itemized, verified receipt for Claude Code and Codex spend

https://github.com/momoraul/Lupen
1•momoraul•9m ago•0 comments

Riddle solved: Why was Roman concrete so durable? (2023)

https://news.mit.edu/2023/roman-concrete-durability-lime-casts-0106
1•Jakob•10m ago•0 comments

Tech Workers Are Fighting Against Silicon Valley's AI Push

https://www.techpolicy.press/tech-workers-are-fighting-against-silicon-valleys-ai-push/
2•reasonableklout•11m ago•0 comments

Falcon GX the most powerful brand engineering tool

https://falcon.so/
1•cts-i-cts-d•12m ago•0 comments

China's Z.ai open-sourced a frontier coding model as Washington bans it rival

https://startupfortune.com/chinas-zai-open-sourced-a-frontier-coding-model-the-same-day-washingto...
2•insanetech•13m ago•1 comments

Machine Studying

https://jacobxli.com/blog/2026/machine-studying/
1•meander_water•15m ago•0 comments

PivCo-Huffman "Merge" Operations

https://fgiesen.wordpress.com/2026/06/21/pivco-huffman-merge-operations/
1•luu•16m ago•0 comments

Against the Survival of the Prettiest

https://worksinprogress.co/issue/against-the-survival-of-the-prettiest/
1•Jimmc414•16m ago•0 comments

The Parent Uprising Against Screen Time at School

https://www.wsj.com/us-news/education/school-technology-screens-parents-9fc7384b
1•JumpCrisscross•16m ago•0 comments

Lithp.py (~2008)

https://fogus.me/fun/lithp/
2•wglb•18m ago•0 comments

Keystone – deterministic execution vault with replay‑verifiable proof

https://github.com/cryptictyrant519/keystone-proof
1•DevTyrant519•19m ago•0 comments

TimeFlies – convert flight info to calendar

https://ozgur.ca/projects/time-flies
1•sedatk•19m ago•0 comments

AI is making answers cheap. Curiosity is priceless

https://www.fastcompany.com/91556703/ai-is-making-answers-cheap-curiosity-is-priceless
1•ohjeez•20m ago•0 comments

An In-Browser Visualizer for GPS Satellites

https://hackaday.com/2026/06/18/an-in-browser-visualizer-for-gps-satellites/
1•gnabgib•20m ago•0 comments

PostmarketOS v26.06 (Alpen Avocado) released

https://postmarketos.org/blog/2026/06/21/v26.06-release/
2•kokada•22m ago•0 comments

Give the Baby Peanut Butter

https://www.thefp.com/p/give-the-baby-peanut-butter-allergy
1•mhb•25m ago•0 comments

The Cult of LK99

https://www.youtube.com/watch?v=fj3WwMxUDZ8
2•EwanG•28m ago•1 comments

Norway Bans AI for Kids 6-13 in Schools

https://yipzap.com/norway-bans-ai-for-kids-6-13-in-schools-a-bold-move-against-tech-dependency/
2•noida•28m ago•1 comments

Exhaustive and Definitive Ranking of All NES Games Released in North America

https://8bitnintendo.science/
2•CharlesW•30m ago•0 comments

Fast-tracked power plants fuel AI boom, with little public scrutiny

https://www.reuters.com/business/energy/fast-tracked-power-plants-fuel-ai-boom-with-little-public...
2•JumpCrisscross•30m ago•0 comments

Freelance Hiring, Without the Chaos

https://hight.ai
1•YinkaIyiola•31m ago•0 comments

Futuristic Japanese Warship Is on the Market and Winning Fans

https://www.wsj.com/world/asia/this-futuristic-japanese-warship-is-on-the-market-and-winning-fans...
3•JumpCrisscross•31m ago•0 comments

Bill that would mandate AI chip location tracking gains industry support

https://www.nbcnews.com/tech/tech-news/chips-security-act-gains-industry-support-letter-rcna350500
3•elliotbnvl•38m ago•0 comments

Welcome to America, World Cup visitors. Don't forget to tip

https://www.axios.com/2026/06/21/world-cup-service-fees-tipping-culture
3•rguiscard•41m ago•0 comments

The Wheel of Life

https://dsernst.com/writing/2026/wheel-of-life
1•dsernst•41m ago•0 comments

Good results fine tuning a local LLM like Qwen 3:0.6B to categorize questions

https://www.teachmecoolstuff.com/viewarticle/fine-tuning-a-local-llm-to-categorize-questions
2•dev-experiments•46m ago•0 comments
Open in hackernews

Ask HN: Which function definition keyword do you prefer, def or fn?

1•winwang•1y ago
I'm curious about what people think of `def` vs `fn`, two short keywords for starting function definitions.

...Or maybe we should subscribe to the church of `df`, haha.

Comments

sitkack•1y ago
def could be for lots of things, fn is for functions. I don't think it matters much as long as you have one. C would have been so much easier to parse. Just copy Zig or Rust.
butlersean•1y ago
def means define, could be used to define all kinds of things

fn isnt a legitimate short form of function

fun doesnt work because of the amusement factor

func is the only alternative we have left

sitkack•1y ago
How about unicode or emojis?

These don't have the full fidelity as hn scrubs emojis

add = (a, b) -> a + b

a, b ⟹ a + b

λ add(a, b): ↪ a + b

johncoltrane•1y ago
"def" is too generic.

"fn" is too cryptic.

"function" is better than the two.

MultifokalHirn•1y ago
Agreed