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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.
Accept subscription and one-time payments with Stripe in your Rails apps
Expert advice on keeping Rails apps organized and fast.
Learn how to build fast, modern web apps with HTML over the wire.
Setup your computer with Ruby on Rails and deploy to a production server.
Cheap, easy hosting for Ruby and Rails apps.
Launch your product business way faster with our SaaS template.
A weekly podcast on web development and building products with Ruby, Rails, Javascript, and more.
A few of the Open Source projects we do at GoRails.
Build a Ruby on Rails app in 48 hours with us.
Help Junior developers get hired by sharing small projects to build their resume with paid work.
Find your next Ruby on Rails Job.
Sometimes you might want to keep track of all classes a module was included in. We can do that with a couple nifty tricks to make this work with both regular Ruby modules and Rails concerns.
Sometimes you may need to wrap and reraise an exception. Ruby 2.1+ makes this easy by letting us raise a new error, pass in the old one, and automatically assigns the exceptions "cause" which is the original exception.
Using ensure with blocks is extremely helpful for cleaning up things. We'll learn how to use ensure in Ruby for cleaning up open files as well as temporarily changing values for requests or test stubs.
In this episode, we will be looking into Ruby's eigenclasses or singleton classes. We will first look at singleton methods and then how we can access the eigenclasses of objects.
In this lesson, we will look at the various ways we can use the super keyword in Ruby in regard to forwarding method arguments to the equivalent method in a parent class.
Kicking off our Web Scraper series, we start out with the bread and butter: scraping web pages with Ruby and Nokogiri.
Ruby's __FILE__ and __dir__ work slightly differently with symlinks that you might not realize. Let's check see how it works.
Catching signals from the operating system like Ctrl-C can be very useful for safely shutting down your Ruby process. In this lesson, we'll see how the Rails server catches Ctrl-C and gracefully shuts down.
We needed a feature to highlight lines in Markdown code blocks for the Rails guides. This is a fun Ruby challenge with many different solutions.
Ruby 3.4 now raises warnings anytime you mutate a string literal. Learn how to fix our code and use frozen string literals to improve performance.
In this screencast, we explore Ruby's Hash#fetch method and how it handles default values. We show how providing a direct default value vs a block affects performance, especially important in Rails apps where unnecessary operations can impact speed.
Last episode, we built a multi-threaded HTTP server from scratch using Ruby. This week, we'll enhance our web server by adding Rack and Rails support.
Designing code for composability allows you to make code more testable, flexible, and easier to adapt in the long term. We'll look at how I recently refactored the Receipts gem so that you can easily customize receipts and still use built-in components.
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
Rails uses the Ruby subscript operator to implement versioning with ActiveRecord Migrations. We'll learn how this works and implement it from scratch to see how it all ties together
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.
Ever wondered how Puma, Unicorn, or other Ruby HTTP servers work? We'll build one from scratch with pure Ruby so you can see exactly how it works.
Normally, we require dependencies at the top of files, but today we'll see where and when we might want to lazily require dependencies.
Today we're refactoring Andrew Mason's GitHub Action that runs Rubocop against your repository. We'll pull out some concepts, remove conditionals, and use several other techniques to clean up the code.
In this episode we will look at using Ruby's built-in Net::HTTP class to build API clients for making http requests.
