In this episode, we build our associations and organize our mathematical business logic.

View Components allow testing the rendered views much easier.

The Mechanize library is used for automating interaction with websites. Mechanize automatically stores and sends cookies, follows redirects, and can follow links and submit forms. Form fields can be populated and submitted.

It's never a bad thing to understand how authentication works in a Ruby on Rails application without reaching for a gem. In this episode, we look at how authentication works in a modern Ruby on Rails application and some reasons why we shouldn't roll our own solution.

Caching is a great way to speed up your applications. However, when a cache becomes stale, there could be a user experience degradation until the cache is rebuilt. In this episode, we look at implementing a background job to rebuild the cache.