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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Config options sometimes need to support dynamic values and not just simple booleans. In this lesson, we'll discover a config in Devise, explore how we can hack around it, and then make a Pull Request to improve this feature in Devise instead.
Whisper.cpp is an open source C/C++ port of OpenAI Whisper that we can use with Ruby for transcribing our videos. We'll also look at how ActiveStorage runs executables like ffmpeg to see how it works behind the scenes just like with what we're building.
In this lesson, we'll create a job to download a video, extract the audio with ffmpeg, transcribe the video with Whisper, and upload the captions to our hosting provider.
Learn how to add support for Accelerated Mobile Pages (AMP) from Google to Ruby on Rails in this tutorial
Learn how to pull business logic out of your models and put them into Plain Old Ruby Objects (POROs) in order to clean up your code and keep chunks of business logic in reusable bits.
Dependency Injection is a common technique for making your code more flexible and testable by removing strict dependencies upon other classes, modules, and other types of dependencies in your code
Ever wanted an editor and Rails environment you can use anywhere? Cloud9 is the perfect option for this and can run on an EC2 instance in your AWS account.
Installing Ruby on Rails
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.
Need a way for users to edit code in your Rails app? CodeMirror is an excellent option for a Javascript code editor that you can use with your Rails apps. We'll set up CodeMirror with Stimulus.js so you can replace any text field in Rails.
C extensions are a powerful tool to connect Ruby code with C libraries that can perform much faster than a pure Ruby counterpart.
Rails Engines really make our code shine for simple_calendar
Taking the ERB code we wrote for simple_calendar and finding the right balance of Ruby and ERB for our gem
It's a common situation that we need to submit complex data in our forms in our Rails apps. We'll explore how can we transform the simple values browser forms allow and convert them into something Rails can use and transform into Ruby objects.
A lot of developers use link_to and button_to interchangeably. In this lesson, we'll explore when you should use link_to and when to use button_to and the differences between them.
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.
Modules and concerns provide a way to make functionality reusable across your Rails application and other apps. In this lesson, we'll show you how we can refactor our comments functionality to add a feature to any resources in Rails.
Ever gotten an InvalidAuthentictyToken error in Rails and wondered how CSRF works? In this lesson, we'll learn how it works behind the scenes so you can understand exactly what's going on.
A Ruby microservice to generate Medium.com-style tweet quote images for sharing on social media like Twitter and Facebook
Deploying your Ruby on Rails applications to Render is only a few file modifications away. Learn how to deploy your Ruby on Rails applications using Render in this episode.
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