Keeping client data protected is important, but once an attribute is encrypted, it becomes difficult to work with it. With Blind Index, we regain functionality on searching and validations.

Part I - In this episode, we create our authentication for users, default view for authenticated users, friendship model, associations and scopes for our social media application.

Using polymorphic associations, we can have comments assigned to a post as well as comments assigned to other comments.

Overview of Solidus, a maintained fork of Spree, showing how to configure and work with this Rails Engine.

In this episode we create a referral system with permanent links. Users can sign up with referral links which tracks the relationship between the referer and the person referred.