In this episode we create a Like/Unlike system where users can like posts and use Global ID to obfuscate IDs.

In this episode, we look at creating a Ruby on Rails application with OmniAuth as the authentication solution and write tests to ensure that it works properly.

We continue from Episode 220 and add additional features and write tests for existing code. We look at introduced bugs and how test driven development can help to not only fix the bugs, but strengthen our test suite.

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

Merit adds reputation behavior to Rails apps in the form of Badges, Points, and Rankings.