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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Expert advice on keeping Rails apps organized and fast.
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A look at how to supercharge your debugging and solve errors faster than ever
Learn how to upload files with the newest file upload library on the block: Refile
Check out my development environment for Ruby on Rails
In this series, we're building a clone of Slack using Rails 5 and ActionCable
Protect your Rails application from Cross Site Scripting (XSS) attacks using the sanitize helper
Learn how to analyze and understand the Ruby stacktrace when something goes wrong in your app
Learn how to implement Uppy as a frontend for uploading files via drag and drop, paste, URL, Google Drive, Dropbox, webcam and more to Active Storage in Rails
Hotwire's Turbo library intercepts forms automatically so Devise needs a few tweaks to work with it. Learn how to do that in this screencast!
Learn how to send email notifications to users with Rails 4.2 ActionMailer, deliver_later, and email previews
Learn how to include 3rd party Javascript and CSS libraries with the Rails Asset Pipeline
See how I discovered and fixed a bug in the Devise open source project
Without jQuery in Rails 5.1, we explore what it takes to convert your traditional jQuery code into vanilla Javascript methods
CSS frameworks like Tailwind, Bootstrap, Foundation, etc all come with many CSS classes you probably aren't using. This creates huge CSS files unless we use a tool like PurgeCSS to look through our code and remove the unused classes.
Learn how CSS and Javascript frameworks should be added to Rails applications
Learn how to add PDF receipts to your application so users can easily download receipts of their purchases
Deciding whether or not to have separate first and last name fields gets a bit confusing. Basecamp's recently released name_of_person gem shows you exactly how to handle this reliably and also stands as a fantastic example of how to build a concern
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
Learn how to use Cable Ready to perform realtime browser updates using actions generated in Rails controllers, models, and background jobs. Cable Ready is the magic behind Stimulus Reflex.
The first step in building an API wrapper Rubygem is building your HTTP client. We're going to use Faraday as our HTTP client and get it setup with authentication.
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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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