This blog post describes how to integrate JavasScript for the new Service Worker API into Ruby and Rails applications that use Sprockets for the Rails asset pipeline.

Hanami (formerly Lotus) is a newish Ruby framework for building web applications. Here's a few things I learned about it coming from Rails.

Leveraging RSpec metadata to control how specs are run with examples for altering database mode and toggling behavior based on spec directory

ActiveRecord will try hard to infer the inverse relation for your associations, but you may benefit from setting the inverse_of option wherever possible

Helpful hint for dealing with a common Capybara limit

Learn how to use RSpec metadata to add declarative ways to toggle features like Rails caching during test runs

More thoughts on refactoring large model classes in Rails

Thoughts on refactoring large model classes in Rails