This series covers some of the often misunderstood Rails basics. Things like params, environment variables, and other topics are glossed over assuming you understand them but we'll dive into them in detail and explain how they work so you can have a much more deep understanding of Ruby on Rails.

Learn the Ruby language by example. We'll look at how Ruby is designed, how it works, and the features you can use to build applications.

Rails engines are plugins to add functionality to multiples Rails apps. Learn how to create your own by organizing code into Rails engines, building Rubygems with Engines and Railties, and more.

Learn how to use Hotwire as an alternative approach to building modern web applications without using much JavaScript by sending HTML instead of JSON over the wire.

In this series, we'll cover how to use Javascript and CSS in Rails. We've covered how to use Javascript and CSS with the asset pipeline, but now we're showing you how to use Webpacker to load Javascript and CSS with Rails.