Ruby on Rails Screencast Tutorials

If you've ever had Rails fail to decrypt credentials, it might be because of a rogue newline. We ran into this and decided to submit a PR to fix this in Rails.

14m

Using Deprecation Warnings in Rails

Feb 12, 2024 Pro

In this lesson, we will learn how to communicate features that will be removed in the future by using a built in feature of Rails specifically ActiveSupport::Deprecation.

12m

How Rails.env works with EnvironmentInquirer & StringInquirer

Oct 23, 2023

Rails.env looks and acts like a Ruby String, but you can call methods with question marks on it. In this lesson, we'll learn how it works using ActiveSupport StringInquirer.

15m

Refactoring with ActiveSupport::TimeWithZone

Jun 27, 2023

In this episode, we will look at refactoring some time related code by leveraging ActiveSupport::TimeWithZone

15m

Custom Rails Configuration Options

May 27, 2021 Pro

Learn how Rails loads yaml configuration and how you can define your own configuration options with the Rails config object

Active Support Deprecation Exceptions

Rails 6.1 introduces a new feature called "disallowed_warnings" which causes exceptions to be thrown anytime deprecated code is run. This makes it really easy to track down deprecations in your code and fix them quickly.

22m

Rails 5.2 ActiveSupport CurrentAttributes & Basecamp 3 Account ID URL Scheme

Mar 12, 2018 Pro

Rails 5.2's adds CurrentAttributes to give you access to global variables in your apps. We'll use this feature to implement a Rack middleware to build Basecamp 3 style URLs that automatically include the current Account ID in every URL

13m

Handle 404s Better Using Rescue_from

Jan 29, 2018 Pro

Rather than serving your user's a 404 dead end, we can use the ActiveSupport rescue_from method to give users search results instead and how to reuse this with ActiveSupport Concerns

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Improving Rails Credentials & Encrypted File Decryption

Sep 09, 2024 Pro