Ruby on Rails Screencast Tutorials - Page 8

Adding user avatars is pretty easy using Rails' ActiveStorage feature. We'll be using Devise in this example, but this applies to any user authentication system.

How to use the Ruby 2.6 Just-in-Time (JIT) Compiler

Dec 28, 2018

Learn how to enable the experimental new Just-in-time compiler for Ruby 2.6

Server Administration with Cockpit

Jan 17, 2019

Linux server administration can be a pain. You can use cockpit to monitor your servers and keep an eye on long running processes like Sidekiq and Puma without having to SSH into your servers.

10m

Symbols vs Strings

Feb 14, 2019

Ever wondered what the difference between Symbols and Strings were? Why would we use one over the other when most languages only have strings?

32m

How to Deploy Rails to Production on Ubuntu 18.04 Bionic Beaver

Feb 22, 2019

Deploying Rails to production for the first time can be confusing and daunting. We'll walk through every step of the process and show you how to setup a production Rails server from scratch.

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

20m

@mentions for Users with ActionText in Rails 6

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.

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.

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.

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

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 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

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.

Building a product in under 10 minutes with Jumpstart Pro

Jun 17, 2019

Jumpstart Pro is finally out today! We'll take a look at out to build a subscription content business with it in under 10 minutes

11m

How to send SMS Messages in Rails with Twilio

Jul 03, 2019

Sending SMS or Text Messages in Ruby on Rails is really easy using an API like Twilio

Ruby's Array() and Array.wrap

Jul 30, 2019

Learn how to remove conditionals and make your code simpler and more reliable using Ruby and ActiveSupport's Array wrap methods

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.

How to Test Validations in Rails

Sep 05, 2019

Learn how to write tests for validations on ActiveRecord objects in Ruby on Rails

How to use Devise Test Helpers

Sep 25, 2019

Adding Devise test helpers allows you to quickly login a user for testing controllers in Rails

13m

How to write System Tests in Rails

Oct 09, 2019

System tests allow you to use a browser for testing your Rails app including Javascript

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User Avatars with ActiveStorage

Nov 21, 2018