In Rails 4.x we have transactional fixtures that wrap each test in a database transaction. This transaction rollbacks all...
In Ruby on Rails 5 belongs_to associations required by default so the following code: class User < ApplicationRecord end class Post < ApplicationRecord belongs_to :user # to make it work in...
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Ruby has two different ways to match the start and the end of a text: ^ (Start of line) and $ (End...
...you are also okay, in this case the JOIN might have slightly better performance. Related Also see our card How to tell ActiveRecord how to preload associations (either JOINs or...