Ruby on Rails Screencast Tutorials

At Rails World 2023, Chris Oliver gave a talk about Powerful Rails features you might not know to cover small, but incredibly useful techniques you can use to write better Rails applications.

14m

How to use Multiple Databases in Rails 6.0

Aug 27, 2019

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.

11m

Notifications for ActionText User Mentions

When you at-mention a user, you typically want to send email or other types of notifications to alert that user they were mentioned. In this episode, we'll look into ActionText Content to see how we can extract the user mention attachments and do that.

25m

How to save ActionMailbox inbound HTML emails and attachments with ActionText and ActiveStorage

May 29, 2019 Pro

In this episode, we will walk through how you can save the contents of inbound HTML emails from ActionMailbox using ActionText and attachments using ActiveStorage

19m

How to use Action Mailbox in Rails 6

May 14, 2019

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.

Actionable Errors in Rails 6

May 08, 2019 Pro

One of the coolest new features of Rails 6 is the introduction of Actionable Errors. These are errors you can provide actions on so when Rails complains you haven't run migrations you can now simply click a button to run them instead.

How to use Bootstrap with Webpack & Rails

Apr 30, 2019

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

11m

How to Remove Unused CSS Classes from Tailwind CSS, Boostrap, and more with PurgeCSS

Apr 24, 2019

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.

How to install TailwindCSS 1.0 with Rails 6

Apr 16, 2019

With TailwindCSS 1.0 just around the corner and some changes in Rails 6 to Webpacker, we take a look at how to install and setup the latest version of TailwindCSS with Rails 6.0

14m

How to use Javascript via Webpacker in Rails 6

Apr 12, 2019

Rails 6 defaults to using Webpacker for Javascript instead of the asset pipeline. We'll learn how everything is structured and laid out and see how to add Flatpickr to Rails 6 including both the Javascript and CSS for it.

The Rails db:system:change command

Apr 03, 2019

Changing the database adapter for a Rails app has always been an annoying, manual change to make. Rails 6.0 introduces the "rails db:system:change" command to make this easier using all the built-in generators for database.yml and more.

20m

How to Contribute to Rails: Adding rich_text field generators

Mar 29, 2019 Pro

Contributing to Rails is everyone's dream. This episode we'll walk through how you can find a bug or feature to add to Rails, how to browse through the source code, add your feature and test it.

20m

@mentions for Users with ActionText in Rails 6

Mar 11, 2019

Mentioning Users with an @mention is a super common feature. Trix and ActionText are now part of Rails 6 which means we can very easily add support for tagging users with @mentions and other custom attachments in your applications.

12m

How to use ActionText in Rails 6

Mar 07, 2019

A quick introduction to using ActionText in your Rails apps for editing and displaying rich text plus uploading files

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Powerful Rails Features You Might Not Know

Oct 19, 2023