View screencasts by curated topics.
Dive into the archive of all episodes.
Ever wanted an editor and R...
Setup your development environment.
Configure your production server.
Learn how to modify production to run websockets.
Testing integrations with external APIs in your Rails app can be hard. You don't know what requests are being made (or even the responses), so how can you properly mock them out? VCR to the rescue.
Learn how to set up GitHub Actions to run Continuous Integration (CI) with Ruby on Rails
Learn how to write integration tests in Rails to test controllers and actions
Adding Devise test helpers allows you to quickly login a user for testing controllers in Rails
You can use Fixtures in Rails to create sample database records for your tests to run against. They're easy to setup and extremely quick.
Test Driven Development, or TDD, is a pretty simple process that allows you to write your code in conjunction with tests to ensure a high level of confidence and code coverage.
Learn how to write tests for validations on ActiveRecord objects in Ruby on Rails
With Rails 6.0, you can now define multiple primary and replica databases, define separate migrations for each primary database, and configure each model to read and write from different databases.
Join 27,623+ developers who get early access to new screencasts, articles, guides, updates, and more.