“In it, Martin describes a bunch of different patterns of how to build business systems, essentially. And Active Record is a little bit of a footnote in there.”
Why: It is one of the very few programming books that the speaker has read many times over and is incredible for anyone working on business systems.
David Heinemeyer Hansen, Guest on Lex Fridman Podcast#474 – DHH: Future of Programming, AI, Ruby on Rails, Productivity & Parenting

