This is very special: Jeffrey Hardy explains the recordables pattern we use in Basecamp. Jeff is one of a kind. He is my reference when it comes to designing software with clarity and taste. I have learned tons from him. And this pattern is ridiculously powerful. I don't think

Finally, ruby-lang.org/en/ has a new design.

Ruby/Rails is ending the year like it’s launching a new era 🚀 • activerabbit.ai got open-sourced 🐇✅ • Fizzzy.do got open-sourced (by DHH) ✅ • O’Saasy: a modern SaaS license (by Jason Fried) ✅ • Rails masterclass from 37signals ✅ • Ruby turns

Ruby/Rails feels very back in 2025 🚀 Ruby 30 🎂 • Ruby 4 💎 • Rails 8.1.1 🚄 OSS: Fizzy + ActiveRabbit.ai • Rails Master Class (37signals) What Ruby/Rails/Gem win are you shipping (big or small) before the year ends? 👇 x.com/alxshp/status/…

Ruby Changes ➜ Ruby 4.0 rubyreferences.github.io/rubychanges//4…

Active Record is my favorite part of Rails, and probably the best software abstraction I know. Object–Relational persistence has always fascinated me. Many years ago, I even did some formal academic research exploring the different approaches available, and I lived through the

Generates architecture diagrams from code github.com/likec4/likec4/

Ever wondered how you move 10 petabytes and billions of files off S3 without a second of downtime? Jeremy Daer explains: dev.37signals.com/moving-mountai… Jeremy is probably the best programmer I know. We often joke about how he knows everything about everything computer-related (and this

🚨 Ilya Sutskever left OpenAI after submitting an internal paper to the board. His conclusion: AGI requires more energy than exists in the solar system. It's not an engineering problem—it's thermodynamics. I got the leaked calculations. Here's the physics proof that killed

"Ruby is dying" Ruby (represented by bundler's downloads):

x.com/i/article/2018…

Opus 4.6 literally built a C compiler and people still think there is an AI bubble.

800 Million Users. Millions of queries per second. 1 Primary Write Node. OpenAI just revealed their database architecture. The stack is simpler than you think: - Single primary write DB - 50 read replicas - PgBouncer I drew out the entire architecture: youtu.be/0uV-2latI-4

RIP startups

Math is beautiful: the Valentine’s day formula

🚨 Prompt engineering is officially outdated. Anthropic just released the real playbook for building AI agents that actually work. It’s a 30+ page deep dive called The Complete Guide to Building Skills for Claude and it quietly shifts the conversation from “prompt engineering”

BREAKING: Claude can now do SEO like a $10,000/month agency (for free). Here are 7 insane Claude Cowork prompts that can take your biz to $100k/month : (Save for later)

Karpathy buried the most interesting observation in paragraph five and moved on. He’s talking about NanoClaw’s approach to configuration. When you run /add-telegram, the LLM doesn’t toggle a flag in a config file. It rewrites the actual source code to integrate Telegram. No