See the full list of screencasts to learn from
Tutorials to help you setup Rails on your development and deploy to production
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.
Cheap, easy hosting for Ruby and Rails apps.
Launch your product business way faster with our SaaS template.
Find your next Ruby on Rails Job.
Learn how to use the Facebook API and refresh auth tokens using the Koala gem
Index and search your models by geolocation using Searchkick and Elasticsearch
Race conditions can cause problems with data integrity. We can prevent these issues with Pessimistic Locking in ActiveRecord which uses database row-level locking.
Request Variants in Rails allow you to render different HTML depending on the device defined in the User Agent header.
Learn how I discovered and solved a performance bug in OneMonth.com's view partial
Speed up the Rails asset pipeline in development by organizing your assets correctly
Using AJAX, we can submit our comments and have them render onto the page without a page refresh.
Contributing to Rails is everyone's dream. This episode we'll walk through how you can find a bug or feature to add to Rails, how to browse through the source code, add your feature and test it.
One of the coolest new features of Rails 6 is the introduction of Actionable Errors. These are errors you can provide actions on so when Rails complains you haven't run migrations you can now simply click a button to run them instead.
We do a code review and refactoring of an implementation of incremental run numbers for an application
In this episode, we add card component, editing of cards, and the ability to create new lists
Creating and testing a Rails Engine can seem daunting. In this video, we'll walk through how to create (and test!) a Rails engine from scratch
Sending Webhooks in Rails is easy, but what happens when the request fails? You'll need to implement retries and exponential backoff so you don't DoS their service
Cross-origin Resource Sharing (CORS) allows your website to talk to other websites.
Using the Intersection Observer API, we can refactor our infinite scroll example to be much more efficient and simpler to use
Row-level multitenancy is an easy, scalable approach to restricting access to data in your application between tenants. Using the acts_as_tenant gem, we can enforce this automatically throughout our Rails applications.
Learn how to inspect gems and add mark as read functionality to Mailboxer
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