Links

Links for Apr 9, 2026

1. "The Importance of Being Idle - The American Scholar"
2. "DHH’s new way of writing code"

   "5. A big win from using AI agents is tackling stuff that you wouldn’t have before. A senior engineer at 37signals ran a “P1 optimization” project to improve the fastest 1% of requests. They optimized the P1 from being at 4 milliseconds, to under half a millisecond. This is the sort of work that wouldn’t have been considered previously!” 100%, I usually have an “eng excellence” task going in the background while I focus on feature work. Lets me continuously try out new ideas, deliver improvements, clean up code, etc

3. "What is inference engineering? Deepdive"

   Inference has ties to the Harness engineering as well - can have clever tricks like fine-tune the LLM to plan tool calls in parallel, which ofc relies on your harness supporting that capability (that said I’m a little tired of all the Foo Engineering catchphrases, we can just call it platform & infra eng with a focus on LLMs lol)