Ruby on Rails Screencast Tutorials

In this episode, we will look at how we go from encountering an error, finding the root cause, implementing a code change in the Rails source code to provide a better debugging experience in the future, and submitting the change as a pull request to Rails

Adding a New Blog Post Action

Apr 03, 2023

We now want to create new Blog Posts in our Rails app, not directly in the database. To do this, we're going to start by building a new action and form for inputting data for our Rails model.

31m

Dynamic Nested Forms with Turbo

Nov 28, 2022 Pro

In this episode, we will look at how to refactor an existing dynamic nested attributes form that uses Stimulus to instead leverage the ability to now make GET requests with Turbo.

15m

Polymorphic Selects in Rails using GlobalIDs

Jun 06, 2022 Pro

Using Signed GlobalIDs, we can create polymorphic select boxes in Rails to easily choose a record of any type. This is also secured by using signed global IDs to prevent tampering by malicious users.

20m

Inline Editing with Turbo Frames in Rails

Feb 01, 2022

Hotwire allows us to add inline editing easily in Rails forms using Turbo Frames. Learn how to implement them in a reusable manner so you can inline edit any fields across any model.

19m

Dynamic Select Fields in Rails with Hotwire

Aug 02, 2021

Need to dynamically update fields when a user changes a select box? We can do that easily in Rails using Hotwire's Turbo Stream actions.

Hotwire Modal Forms

Jan 12, 2021 Pro

Modal forms are common, but how do we do them with Hotwire to render validation errors and redirect on success?

11m

Advanced Flash Messages with Buttons & Actions in Rails

Sep 28, 2020 Pro

Flash messages are typically a simple string saying something succeeded or failed. What if we wanted to add buttons like you see in most applications? It's easier than you might think!

19m

How to Submit Complex Form Data in Ruby on Rails

Sep 21, 2020 Pro

It's a common situation that we need to submit complex data in our forms in our Rails apps. We'll explore how can we transform the simple values browser forms allow and convert them into something Rails can use and transform into Ruby objects.

23m

Dynamic Nested Forms with Stimulus JS

Feb 07, 2019 Pro

Don't like Cocoon or it's jQuery dependency? We can use Stimulus JS and build dynamic nested forms in Rails with accepts_nested_attributes_for from scratch pretty easily!