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Test Driven Development, or TDD, is a pretty simple process that allows you to write your code in conjunction with tests to ensure a high level of confidence and code coverage.
Learn how to write tests for validations on ActiveRecord objects in Ruby on Rails
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.
Race conditions can cause problems with data integrity. We can prevent these issues with Pessimistic Locking in ActiveRecord which uses database row-level locking.
When things (users, jobs, etc) attempt to update the same record at the same time, we can often lose changes. Optimistic locking uses a lock version number to warn you about updating stale objects so you can handle that safely.
Learn how to add support for Accelerated Mobile Pages (AMP) from Google to Ruby on Rails in this tutorial
Learn how to remove conditionals and make your code simpler and more reliable using Ruby and ActiveSupport's Array wrap methods
Reply to inbound SMS and phone calls using TwiML to create XML responses to Twilio conversations
Receiving inbound SMS in Rails with Twilio is very similar to handling inbound emails with Action Mailbox
Sending SMS or Text Messages in Ruby on Rails is really easy using an API like Twilio
A CDN can distribute assets globally and allow more parallel downloads. This equates to performance benefits for users anywhere in the world
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
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.
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
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.
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.
Rails's webpacker gem makes it super easy to load both Bootstrap's CSS and JS into your Rails app using webpack
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.
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
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.
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