This is a Rails library which integrates with Active Records and provides some awesome user-initiated string interpolations for your web apps. For example, have you ever needed to allow users to insert their own variables into e-mail templates or messages?

With strong params replacing attr_accessible, a difficulty has arisen with referencing to the structure of your models. With annotate, we can generate the structure of our models in the comments of our models.

A continuation from Episode 20 where we explore rendering the user's edit pages in a modal on a per request basis. Instead of rendering all modals for the users in the index, we will request them using remote javascript.

In this episode, we explore the Campfire code from 37signals' Once product line. We'll install the product and grab the code base to get it up and running on our development environment.

In this episode, we look at ActiveStorage, which is the new file uploading interface in Rails 5.2, and how we can accomplish direct uploads to cloud storage, retrieving & displaying uploaded content, and showing progression with progress bars.