Hacker News

The New Skill in AI Is Not Prompting, It's Context Engineering

I write type-safe generic data structures in C

The hidden JTAG in a Qualcomm/Snapdragon device’s USB port

There are no new ideas in AI only new datasets

The Original LZEXE (A.K.A. Kosinski) Compressor Source Code Has Been Released

End of an Era

Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken

Creating fair dice from random objects

They don't make 'em like that any more: Sony DTC-700 audio DAT player/recorder

Show HN: New Ensō – first public beta

Xfinity using WiFi signals in your house to detect motion

The provenance memory model for C

Jacobi Ellipsoid

Entropy of a Mixture

Ask HN: What Are You Working On? (June 2025)

Show HN: We're two coffee nerds who built an AI app to track beans and recipes

14.ai (YC W24) hiring founding engineers in SF to build a Zendesk alternative

Donkey Kong Country 2 and Open Bus

The Plot of the Phantom, a text adventure that took 40 years to finish

CertMate – SSL Certificate Management System

Ask HN: What's the 2025 stack for a self-hosted photo library with local AI?

Datadog's $65M/year customer mystery solved

Researching LED Displays for the Time Circuits

Ask HN: 80s electronics book club; anyone remember this illustrator?

Cloud-forming isoprene and terpenes from crops may drastically improve climate

Printegrated Circuits: Merging 3D Printing and Electronics

Reverse Engineering Vercel's BotID

Asynchronous Error Handling Is Hard

New proof dramatically compresses space needed for computation

Auth for B2B SaaS: it's not like auth for consumer software