Building and Scaling a Startup on Rails: 12 Things We Learned the Hard Way. Lessons learned from Posterous. Some good advice in here, in particular “Memcache later: If you memcache first, you will never feel the pain and never learn how bad your database indexes and Rails queries are”. Also recommends using job queues for offline processing of anything that takes more than 200ms.
Recent articles
- The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
- Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025
- LLM 0.27, the annotated release notes: GPT-5 and improved tool calling - 11th August 2025