GoRails Screencasts

The Whenever gem is fantastic for defining cron jobs. With a little customization, we can have it monitor cron jobs and report logs, and status to services like AppSignal.

Learn how to order records by a column with a set of values

Learn how to normalize all ActiveRecord attributes with a quick peak at the Rails source code.

Learn how to dynamically render Rails partials using standard Rails behavior and model_name.plural when needed to clean up messy if/else conditionals in your views.

Optional attributes are empty strings by default, but we can clean these up as nil in Rails using normalizes

Learn how to use validation contexts in Rails to conditionally validate models - like saving drafts without validation but requiring them when publishing.

A peek into the Domain Monitor SaaS product that we'll be building in this series with Rails, Stripe, Solid Queue, and Kamal.

Rails 8.1 introduces a new Markdown MIME Type and renderer to better integrate your apps with AI and other tools that use Markdown

Using extend self inside a Ruby module makes all of its instance methods callable directly on the module itself, which is useful when you want a collection of utility-style methods without needing to instantiate an object.

Let's look at how we can easily deploy a Rails 8 application using the solid trifecta of gems with Hatchbox.

Rails 8.1 introduced a local CI setup and run script that allows you to leverage the power of your local system to run a series of steps and optionally integrate with GitHub to sign off on pull requests that have a successful CI run.

In this episode, we will be looking at pattern matching in Ruby which lets you check the structure of data and save parts of it into variables.

The Rails Authentication generator is getting new test helpers. We'll take a look at how to use them with integration tests and how to extend them to work with system tests too.

Rails now ships the Trix editor as a separate gem (action_text-trix) instead of being included in ActionText. This allows for separate releases independently of Rails.

Enumerable provides a suite of sorting, filtering, iterating functionality to any collection class in Ruby. It's easy to implement and use, so let's see how to use it.

To provide clean integrations with Rails plugins, we can use lazy load hooks to add callbacks for when classes are loaded.

Learn how to use the CodeMirror editor in your browser using Importmaps.

Rails 8 introduces a new expect method for permitting parameters that fixes a few of the issues with require and permit. Let's take a look!

Ruby 3.4 added 'it' to reference a block parameter with no variable name. Let's check it out!

Hotwire Spark is a new live reloading tool for Hotwire applications that uses morphing to update the page smoothly.

Black Friday is a popular shopping holiday every year. In this lesson, we'll build a Ruby gem to help automate our Black Friday sales each year.

Import maps are great, but how do they work? In this lesson, we'll demystify import maps and see how they integrate with Rails' asset pipeline.

Rails 8 now ships with multiple databases by default. In this lesson, we'll learn how the configuration works and how to deploy to production with environment variables

The Rails authentication generator is an awesome new addition with Rails 8 so let's explore how we can customize it to support user impersonation.

Rubocop Rails Omakase is just a starting place and provides a handful of rules.

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.

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.

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

Sometimes you need user input to be restricted to a certain range or limited like "greater than zero". While you can do this with conditionals, there are some useful tricks to do this better in Ruby.

Rubygems.org released a new feature called Trusted Publishing which allows you to release gems directly from GitHub Actions without requiring 2FA or long-lived API tokens. Let's see how it works!

Sometimes you write code to get a feature working and stop there. With a little refactoring, you can extract local variables into methods that make testing and extending easier.

In this episode, we will learn about handling one-time payments with the Pay gem and Stripe embedded checkout. This is a great approach for non-recurring payments and can be implemented very quickly.

In this video, you'll learn about a feature of IRB, which is the ability to change context into an object.

Ever wondered how Rails controllers get their functionality? Let's see how we can add translation support to Rails API controllers by looking at the Rails source

Adam McCrea walks through using Phlex to build components for views in your Rails applications. Phlex is a Ruby gem for building fast object-oriented HTML and SVG components using Ruby constructs: methods, keyword arguments and blocks.

Mission Control Jobs is a UI for ActiveJob in Rails. It was announced at Rails World 2023 and just got released. It currently supports SolidQueue and Resque with more queue adapter support in the future.

Have models that store the same data but need different functionality? Rails provides Single Table Inheritance in ActiveRecord to solve this problem.

Notifications in Rails applications are even easier now with the new release of Noticed gem v2. We'll explore how to add notifications to your Rails app in just a few minutes.

Ruby 3.3.0 was released today and this lesson we're diving into the goodies included in the new version.

In this lesson, we will pick up where we left off in the last part and package up our script into a gem that we can share. Along the way, we'll look at how we can spread responsibility across a few small classes to separate concerns and hopefully make the

Solid Queue is a database backed queue adapter for ActiveJob in your Rails apps. Instead of requiring an additional service like Redis, jobs are managed in the database itself and it's compatible with PostgreSQL, MySQL, and SQLite.

In this lesson, we will be looking at getting a v1 of a Ruby script that will fetch, pull, and push across several repositories and remotes to keep our code up-to-date. Hopefully, it will give you ideas for other areas in your workflow where a simple Ruby

Discover how the new template locals work in Rails 7.1

In this lesson, we will learn what HTML is and why we need to know about it.

In this lesson, we will learn about the basic structure of HTML documents.