How to build a complete, real-world application from scratch with Ruby on Rails step by step.
A lot of Ruby code is "magic". We'll explain the magic and see how it works using the powerful tools Ruby gives us.
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Rails provides several really useful test helpers for ActionMailer so we can quickly iterate on our design, test that our code queues up the right emails, and make sure our emails contain the right content.
An updated version of our Group Chat series using Webpacker, ActionCable, Stimulus.js, and modern Javascript to build a very clean version of realtime group chat in Rails
Complex queries can slow your page rendering down. We can now run long queries in parallel with Rails 7's load_async method in ActiveRecord to speed up page rendering.
Use Carrierwave to add attachments to your Mailboxer conversation messages
Reply to inbound SMS and phone calls using TwiML to create XML responses to Twilio conversations
Rails uses the Ruby subscript operator to implement versioning with ActiveRecord Migrations. We'll learn how this works and implement it from scratch to see how it all ties together
Creating draft records in your database can be tricky. We'll be using the Draftsman gem to help us create draft versions of our records with our autosave Javascript
Learn how to test ActiveStorage file uploads and create fixtures with ActiveStorage attachments
If you're building something with shared functionality, extracting a base class can be helpful to create a shared place each class can inherit from. We'll explore how to do this for our API clients and one of the tricky things about accessing constants.
Modules and concerns provide a way to make functionality reusable across your Rails application and other apps. In this lesson, we'll show you how we can refactor our comments functionality to add a feature to any resources in Rails.
Ever wondered how ViewComponent or Phlex works with Rails to build components? Rails has a method called render_in that any object can implement to build custom render functionality like components.
We do a code review of a script that let's you control your Mac and iTunes with commands that generate AppleScripts
Properly sending email notifications consists of a lot more than just a To and From. The In-Reply-To, References, and BCC headers are important for sending email notifications to your users.
Learn how to configure live reloading with Esbuild in Rails using an EventSource and jsbundling-rails
Learn how to use Javascript constructors and destructors with Turbolinks to add compatilibty to any Javascript library you want
A walkthrough of how I debugged and fixed an issue with Rails ActiveStorage that we discovered in the last episode building a Previewer for Powerpoint files
Test stubs are very handy when you want to mock out the response to a method call. This allows your tests to be more reliable and skip long running or unnecessary method calls.
A walk through of the process of fixing a popular gem and learning how ActiveRecord and the Paranoia gem works
ActsAsTenant needed some maintenance so we're going to walk through the steps of refactoring the gem and Rspec test suite
Last episode, we built a multi-threaded HTTP server from scratch using Ruby. This week, we'll enhance our web server by adding Rack and Rails support.
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