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I don't want to hear your elevator pitch

https://petterhol.me/2026/07/21/i-dont-want-to-hear-your-elevator-pitch/
1•Anon84•48s ago•0 comments

It was OpenAI that accidentally breached Hugging Face

https://www.axios.com/2026/07/21/openai-says-hugging-face-breach-caused-by-one-its-models
1•seatac76•1m ago•0 comments

AI Thinks the Internet Is Reddit. We Have 8,616 Answers Proving It

https://growtika.com/blog/reddit-ai-visibility-research
1•Growtika•1m ago•0 comments

The Danielson-Lanczos FFT method and bit-reversal

https://khilavm.github.io/blog/2025/danielson-lanczos-fft/
1•khilavm•2m ago•0 comments

From Seed Scripts to Desired-State Reference Data in PostgreSQL

https://vvka-141.github.io/pgmi/articles/desired-state-reference-data-postgresql/
1•aevlampiev•2m ago•0 comments

Show HN: MindCache – An open-source agentic memory system for LLMs

https://github.com/faisalhussain-devs/MindCache/tree/collapsed_tree
1•Faisal9876•3m ago•0 comments

Show HN: Datalevin – a simple, fast, and versatile Datalog database

https://github.com/datalevin/datalevin
2•huahaiy•4m ago•0 comments

From Payroll to Pyongyang: The DPRK IT Worker Money Trail

https://www.dtex.ai/blog/dprk-it-worker-money-trail/
2•speckx•4m ago•0 comments

A Brief Deep History of Literacy

https://substack.com/sign-in
1•nuclearbob•4m ago•0 comments

Airbus to test folding wings for next generation of bestselling planes

https://www.theguardian.com/business/2026/jul/21/airbus-to-test-folding-wings-for-next-generation...
1•n1b0m•5m ago•0 comments

Everything Is an Energy Source: The Potential of Micropower Collection

https://www.japan.go.jp/kizuna/2026/06/potential_micropower_collection.html
1•sjreese•6m ago•1 comments

Amazon SES introduces pricing plans

https://aws.amazon.com/about-aws/whats-new/2026/07/amazon-ses-pricing-plans/
1•dabinat•6m ago•0 comments

The agent principal-agent problem

https://crawshaw.io/blog/agent-principal-agent
1•stevekrouse•8m ago•0 comments

If You Lack Inspiration, Talk to People

https://photoni.st/index.php/2026/07/17/if-you-lack-inspiration-talk-to-people/
1•speckx•8m ago•0 comments

Show HN: Rememori – agent memory in pure TypeScript, zero dependencies

https://rememori.dev
1•GiorgioDotcom•10m ago•0 comments

VGMaps: The Video Game Atlas

https://vgmaps.com/
1•bpierre•12m ago•0 comments

Ambykit

https://github.com/ambystechcom/AmbyKit
1•tavobarrientos•12m ago•1 comments

I Vibe Coded an Inflation-Resistant Currency

https://www.masonforest.com/blockchain/cryptocurrency/bitcoin-dance/2026/07/21/i-vibe-coded-an-in...
1•masonforest2•13m ago•0 comments

I trained a 30M-param LLM from scratch and the scaling "floor" was a mirage

https://github.com/rishipadhye/my-LLM
1•rpadhye•15m ago•0 comments

Where Did All the Computer-Science Professors Go?

https://www.theatlantic.com/technology/2026/07/ai-companies-hiring-academics/688002/
3•enjoyyourlife•15m ago•0 comments

Show HN: TokenPath – token-level citations for LLM output, read from attention

https://tokenpath.ai
2•apoorvumang•19m ago•0 comments

Ramble Sessions with LLM's

https://twitter.com/karpathy/status/2079610838143623371
1•pretext•20m ago•0 comments

'VPNs are lawful technical tools,' says EU Court in landmark copyright ruling

https://www.techradar.com/vpn/vpn-privacy-security/vpns-are-lawful-technical-tools-says-eu-court-...
11•healsdata•23m ago•0 comments

N.J. MVC error registered 6,600 undocumented immigrants to vote

https://www.nj.com/politics/2026/07/thousands-of-undocumented-immigrants-were-registered-to-vote-...
2•speckx•28m ago•1 comments

Dementia symptoms that show up years before diagnosis

https://www.washingtonpost.com/wellness/2026/07/21/these-dementia-symptoms-can-show-up-years-befo...
1•brandonb•28m ago•0 comments

FBI Director Kash Patel Planning a Trip to Russia

https://www.reuters.com/world/us/fbi-director-kash-patel-planning-trip-russia-politico-reports-20...
8•Rooster61•28m ago•3 comments

Shardhash Protocol: Sharden Issuer

https://github.com/babakkarimib/shardhash
2•babakkarimib•29m ago•0 comments

OpenAI Shares Some Alignment Problems

https://thezvi.substack.com/p/openai-shares-some-alignment-problems
2•7777777phil•29m ago•0 comments

Jobflo is getting more useful

https://apps.apple.com/us/app/jobflo-private-job-tracker/id6759933192
1•jsrothwell•30m ago•0 comments

Pete Hegseth's Reckless Message to Helicopter Pilots

https://www.theatlantic.com/international/2026/07/hegseth-reckless-military-helicopter/688008/
6•Jtsummers•30m 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