The Rails Authentication generator is getting new test helpers. We'll take a look at how to use them with integration tests and how to extend them to work with system tests too.

Rails now ships the Trix editor as a separate gem (action_text-trix) instead of being included in ActionText. This allows for separate releases independently of Rails.

Enumerable provides a suite of sorting, filtering, iterating functionality to any collection class in Ruby. It's easy to implement and use, so let's see how to use it.

To provide clean integrations with Rails plugins, we can use lazy load hooks to add callbacks for when classes are loaded.

Learn how to use the CodeMirror editor in your browser using Importmaps.

Rails 8 introduces a new expect method for permitting parameters that fixes a few of the issues with require and permit. Let's take a look!

Ruby 3.4 added 'it' to reference a block parameter with no variable name. Let's check it out!

Hotwire Spark is a new live reloading tool for Hotwire applications that uses morphing to update the page smoothly.

Black Friday is a popular shopping holiday every year. In this lesson, we'll build a Ruby gem to help automate our Black Friday sales each year.

Import maps are great, but how do they work? In this lesson, we'll demystify import maps and see how they integrate with Rails' asset pipeline.