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Articles of interest for Ruby on Rails

Displaying articles 151 - 175 of 479 in total

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How to write Controller & Integration Tests in Rails

Learn how to write integration tests in Rails to test controllers and actions

Published: 2nd October 2019
How to use Devise Test Helpers

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

Published: 25th September 2019
How to use Fixtures to create sample test data

You can use Fixtures in Rails to create sample database records for your tests to run against. They're easy to setup and extremely quick.

Published: 18th September 2019
Test Driven Development Basics

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.

Published: 10th September 2019
How to Test Validations in Rails

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

Published: 5th September 2019
How to use Multiple Databases in Rails 6.0

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.

Published: 27th August 2019
Handle Race Conditions with Pessimistic Locking

Race conditions can cause problems with data integrity. We can prevent these issues with Pessimistic Locking in ActiveRecord which uses database row-level locking.

Published: 22nd August 2019
Preventing Conflicts with Optimistic 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.

Published: 15th August 2019
How to use AMP with Ruby on Rails

Learn how to add support for Accelerated Mobile Pages (AMP) from Google to Ruby on Rails in this tutorial

Published: 8th August 2019
Ruby's Array() and Array.wrap

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

Published: 30th July 2019
How to use Twilio Markup Language (TwiML) in Rails

Reply to inbound SMS and phone calls using TwiML to create XML responses to Twilio conversations

Published: 16th July 2019
Inbound SMS in Rails with Twilio

Receiving inbound SMS in Rails with Twilio is very similar to handling inbound emails with Action Mailbox

Published: 8th July 2019
How to send SMS Messages in Rails with Twilio

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

Published: 3rd July 2019
Amazon Cloudfront CDN for Rails Asset Pipeline & Webpacker

A CDN can distribute assets globally and allow more parallel downloads. This equates to performance benefits for users anywhere in the world

Published: 25th June 2019
Building a product in under 10 minutes with Jumpstart Pro

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

Published: 17th June 2019
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.

Published: 5th June 2019
How to save ActionMailbox inbound HTML emails and attachments with ActionText and ActiveStorage

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

Published: 29th May 2019
How to use Action Mailbox in Rails 6

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.

Published: 14th May 2019
Actionable Errors in Rails 6

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.

Published: 8th May 2019
How to use Bootstrap with Webpack & Rails

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

Published: 30th April 2019
How to Remove Unused CSS Classes from Tailwind CSS, Boostrap, and more with PurgeCSS

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.

Published: 24th April 2019
How to install TailwindCSS 1.0 with Rails 6

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

Published: 16th April 2019
How to use Javascript via Webpacker in Rails 6

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.

Published: 12th April 2019
The Rails db:system:change command

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.

Published: 3rd April 2019
How to Contribute to Rails: Adding rich_text field generators

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.

Published: 29th March 2019