There are two distinct ways of commenting Haml markup: HTML and Ruby. HTML comments This will create an HTML comment...

Rails 3, 4, 5, 6 config/application.rb config/environment.rb before the initialize! call (we don't usually edit this file)

Sometimes you want to fetch associations for an ActiveRecord that you already loaded, e.g. when it has deeply nested associations...

The Git stash does not work like a one-slot clipboard and you might shoot yourself in the foot if...