Found in 1 comment on Hacker News
jetset15 · 2017-03-13 · Original thread
I highly recommend reading this book: https://www.amazon.com/Refactoring-Ruby-Jay-Fields/dp/032198...

Not only does it contain great code snippets but it also covers repeatable techniques that will ease your life as a ROR programmer immensely.

Fresh book recommendations delivered straight to your inbox every Thursday.