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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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Learn how to use a PMS5003 air quality sensor with Ruby on the Raspberry Pi. We'll use this to monitor air quality and gather data.
hCaptcha is a method to try detecting bots on your website. This episode, we'll walk through how to implement hCaptcha in a way that's compatible with Turbo using Stimulus.js and
Ever needed to modify the HTML that ActionText renders? We can override the ActionText::Content class to modify the way HTML formatting works to customize the output. For example, we can add rel="noopener nofollow" to any anchor tags in the content.
Rails 7 changed the way ActionText attachments work, so we'll be writing a Rake task to walk through each of the embeds and update them with the correct Signed GlobalID.
Learn about the ActionController Parameters with_defaults method to clean up your params in your Rails applications
Overriding the Confirm method in Turbolinks and Hotwire has been pretty tricky until now. Using promises, Turbo can now wait until the user has submitted the confirm modal.
Using Signed GlobalIDs, we can create polymorphic select boxes in Rails to easily choose a record of any type. This is also secured by using signed global IDs to prevent tampering by malicious users.
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.
A command palette is a common feature for power users. Learn how to add a command palette to your Ruby on Rails app using the Ninja Keys web component.
In this video, we will take a look at how to use a few association declaration options to build a couple of has_one associations off of a has_many association in Rails.
Learn how to apply advanced routing constraints such as domain, subdomain, user authentication, and more. We'll explore how to use custom constraints for routing multi-tenant Rails applications based upon subdomain and domain too.
Testing your Meilisearch integration in Rails can be a little tricky. This episode, we'll talk through how to setup Meilisearch in your test suite to index fixtures and more.
In this video, we will explore how the concepts we looked at in "Flattening Scopes in Ruby" are used in Rails by taking a look at the assert_difference method. We will walk through how the method works while taking note of where the concepts are applied.
Learn how to use custom route constraints in Rails to customize how routes respond to URLs
Rails apps and Rubygems might need to support multiple databases. We can use the DATABASE_URL environment variable to quickly swap out the database that Rails uses in CI, local testing, and more.
In this video, we will look at how to use blocks and bindings in Ruby to pass local variables across different scopes.
CSS Variables or CSS custom properties allow you to define variables that can be used throughout your CSS to change properties and their values dynamically. It's a wonderful feature for allowing users to customize the look of your website.
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.
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.
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.
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Screencast tutorials to help you learn Ruby on Rails, Javascript, Hotwire, Turbo, Stimulus.js, PostgreSQL, MySQL, Ubuntu, and more. Icons by Icons8
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