Code Reviews & Refactorings

Reviewing and refactoring code is a core piece of the development lifecycle. In this series, we'll review and refactor code from subscribers and open source projects to see if we can find some clearer ways of accomplishing the same features.

Start Series

14m

11 Lessons | 6h 42m | Intermediate

14m

iTunes Controller Code Review: Part 1

May 18, 2017 Pro

We do a code review of a script that let's you control your Mac and iTunes with commands that generate AppleScripts

21m

iTunes Controller Code Review: Part 2

May 18, 2017 Pro

We do a code review of a script that let's you control your Mac and iTunes with commands that generate AppleScripts

18m

iTunes Controller Code Review: Part 3

May 18, 2017 Pro

We do a code review of a script that let's you control your Mac and iTunes with commands that generate AppleScripts

1h 10m

Rails PR Code Review with Kasper Timm Hansen from the Rails core team

Nov 01, 2021

A code review with Kasper from the Rails core team to show us the process of reviewing, designing, and refactoring Rails code.

11m

Contributing to Open Source: Sidekiq Web UI Bug Fix

Mar 08, 2022 Pro

Learn how to quickly dig into an open source gem, replicate a bug, diagnose the problem, and contribute a pull request in just a few minutes.

1h 22m

How To Maintain A Rails Gem: Becoming Maintainer of the Sequenced Gem

Aug 29, 2022 Pro

I recently became a maintainer of the Sequenced gem for Rails, so this lesson we walk through all the different things for maintaining a gem and making sure it works with the latest Rails versions.

15m

Error Handling Ergonomics in Noticed

Oct 03, 2022 Pro

Errors can come up in many different ways. This episode, we'll look at how we can improve error handling in the noticed gem to cleanly handle issues with ActiveRecord without negatively affecting

39m

Contributing to Open Source: Adding subdomains to the Addressable gem

May 22, 2023 Pro

The addressable gem adds some nice features over Ruby's built-in URI class, but it doesn't have any helpers for extracting subdomains. In this lesson, we'll add some methods to Addressable to make accessing subdomains easier.

1h 20m

Adding Timeouts to net-ssh with Mike Perham

Jun 03, 2024

In this lesson, we'll dive into some code to add timeouts for an issue with net-ssh with the help of Mike Perham

36m

Improving Revise Auth Redirects

Jul 01, 2024 Pro

The Revise Auth gem that I wrote didn't have a consistent redirect mechanism for after sign up or sign in, so this lesson we're going to refactor and write tests to improve this feature.

11m

Refactoring Madmin Pagination

Mar 31, 2025 Pro

In this lesson, we dive into the Pagy source code to learn how to best refactor pagination inside of our own code.

Rails for Beginners

Advanced Ruby: Behind the Magic

Payments with Rails Master Class

Refactoring Rails

Learn Hotwire

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Jumpstart Rails SaaS Template

Remote Ruby Podcast

GoRails Open Source

Rails Hackathon

Beginner Bounties

Ruby on Rails Job Board

Code Reviews & Refactorings

iTunes Controller Code Review: Part 1

May 18, 2017 Pro

iTunes Controller Code Review: Part 2

May 18, 2017 Pro

iTunes Controller Code Review: Part 3

May 18, 2017 Pro

Rails PR Code Review with Kasper Timm Hansen from the Rails core team

Nov 01, 2021

Contributing to Open Source: Sidekiq Web UI Bug Fix

Mar 08, 2022 Pro

How To Maintain A Rails Gem: Becoming Maintainer of the Sequenced Gem

Aug 29, 2022 Pro

Error Handling Ergonomics in Noticed

Oct 03, 2022 Pro

Contributing to Open Source: Adding subdomains to the Addressable gem

May 22, 2023 Pro

Adding Timeouts to net-ssh with Mike Perham

Jun 03, 2024

Improving Revise Auth Redirects

Jul 01, 2024 Pro

Refactoring Madmin Pagination

Mar 31, 2025 Pro