GoRails Screencasts

System tests allow you to use a browser for testing your Rails app including Javascript

Adding Devise test helpers allows you to quickly login a user for testing controllers in Rails

Learn how to write tests for validations on ActiveRecord objects in Ruby on Rails

With Rails 6.0, you can now define multiple primary and replica databases, define separate migrations for each primary database, and configure each model to read and write from different databases.

Learn how to remove conditionals and make your code simpler and more reliable using Ruby and ActiveSupport's Array wrap methods

Sending SMS or Text Messages in Ruby on Rails is really easy using an API like Twilio

Jumpstart Pro is finally out today! We'll take a look at out to build a subscription content business with it in under 10 minutes

ActionMailbox is a new feature of Rails 6 for processing inbound emails to let users respond to your app via email. We'll do a quick rundown and build a simple reply by email feature to our app.

Rails's webpacker gem makes it super easy to load both Bootstrap's CSS and JS into your Rails app using webpack

CSS frameworks like Tailwind, Bootstrap, Foundation, etc all come with many CSS classes you probably aren't using. This creates huge CSS files unless we use a tool like PurgeCSS to look through our code and remove the unused classes.