Not Ruby-specific, but this is an interesting long read about the evolution of Uber's tech stacks:
https://stackshare.io/stack-history-timeline-uber-tech-stack-evolution
Automatically resolve Git merge conflicts in Rails schema.rb:
https://gist.github.com/jeromedalbert/afab24e80102b41d75d5f5538f1459c4
(I have also updated tpope's hooker gem to reflect Rails 5.x changes)
We all like legacy code right? How about some Tron Legacy then:
https://www.youtube.com/watch?v=b8OELzmpgZo&list=PL7F37BB1A67E0238D
Postgres' array and jsonb data types can be useful quick and dirty ways to store lists of things:
https://stackshare.io/jeromedalbert/decisions/101247487563777922
You may want to use the "citext" Postgres type to clean up messy Ruby downcase code when looking up slugs/emails/etc:
https://stackshare.io/jeromedalbert/decisions/101215515833273370
Rails is great because "all the decisions are made for you", right?
...right?
https://stackshare.io/jeromedalbert/decisions/101193170823359652