How to build a complete, real-world application from scratch with Ruby on Rails step by step.
A lot of Ruby code is "magic". We'll explain the magic and see how it works using the powerful tools Ruby gives us.
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When a web page is scraped successfully, we need a way to notify the user. For example, when the Raspberry Pi 5 is finally in stock, we want to know right away with an email.
Now that our application is deployed to production, we can use a service like Postmark to send real emails.
Wrapping up our Web Scraper, we debug an issue in production with SolidQueue and some challenges for you to add more features to the web scraper.
The next step is deploying our web scraper to production and setting up our cron jobs. We'll deploy our Rails app to a server using Hatchbox.io and configure cron jobs to run our scraping tasks on an interval.
In this lesson, we'll take a look at how a small change to fix some rigid code in the Receipts gem can open up more possibilities.
Did you know GitHub Actions supports inputs? You can accept inputs from the user or other actions to be used in your action.
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 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.
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 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.
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.
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.
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.
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.
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.
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.
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