How to build a complete, real-world application from scratch with Ruby on Rails step by step.
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Rails 7.2 now warns if any test runs without assertions. It helps make tests that may raise errors more explicit and less prone to mistakes.
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.
Rails 7.2 introduces the enqueue_after_transaction_commit config but this wouldn't take effect when upgrading Rails apps, so we fixed it by changing the load order.
Formatting Ruby code can be a point of contention because the language is so flexible, but it
Enqueuing jobs inside of a database transaction is a common mistake that's now handled for you automatically in Rails 7.2
The new browser guard in Rails 7.2 allows you to gate access to your application if a user is not using a modern browser.
Installing dependencies to develop and run your Rails applications locally can be a pain.
Rails 7.2 introduced a new rate limit feature that uses the Rails cache for preventing abuse of routes in your applications.
Before actions typically just call a method without arguments, but what if we need something more? Watch this lesson to find out!
In this lesson, we'll start to build a catalog of time-saving coding commands to use in IRB. Today's methods will help us view available methods in the current context and easily access their source code, all from the command line.
Ruby's __FILE__ and __dir__ work slightly differently with symlinks that you might not realize. Let's check see how it works.
Customizing Devise feels daunting, but it's surprisingly easy. In this lesson, we'll customize Devise to track referrals using the Refer gem.
Honeybadger's new Insights feature is awesome but required manually editing the yaml file to enable. Let's make a pull request to automate this.
In this lesson, we will learn how to leverage built in IRB and Debug commands from Ruby to trace what happens when you run rails console from start to finish.
In this lesson, we will learn about the configuration of the new Rails console prompt, how the feature was built, and how we can apply our new knowledge to customize our own IRB console prompts.
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.
Rails 7.2 introduces the allow modern browsers feature but the app:update command wasn't creating the necessary files. In this lesson, we'll walk through writing a pull request to fix this in Rails!
In this lesson, we will learn how to not only change into a new context in IRB but then how to get back to the previous context by leveraging our workspaces stack in IRB.
In this lesson, we will look at how to clean up code that iterates over a collection twice to separate the elements out to only doing so once while achieving the same result by leveraging the partition method from Ruby's Enumerable module.
In this lesson, we'll dive into some code to add timeouts for an issue with net-ssh with the help of Mike Perham
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