When creating an app in Ruby on Rails, from the very beginning, on every single step of your developer's journey, you're going to use ActiveRecord methods. Lots of them, and frankly speaking, it's good to know them well (if not by heart).
Despite almost everyone uses AR methods to develop almost every app, there are still many methods which are not widely known. Many of them can save your time (and to be honest, sometimes even your nerves) and keep your code nice and clean. Below you can find some useful examples, which are good to be familiar with.
