Unit-test your Elixir Plugs with a few quick tips.

Elegant routing in Elm with Hop.

By understanding Maybe, you begin to see code in a new light.

Leverage Ember.ObjectProxy to introduce decorators into your Ember codebase.

Develop a Rails app in Docker.

Develop a Rails app in Docker.

Learn how to test code using data in environment variables with Climate Control.

<p>I’m happy to announce that we’ve updated the content for our popular
<a href="https://upcase.com/test-driven-rails?utm_medium=blog&amp;utm_campaign=updated-test-driven-rails-content&amp;utm_source=giantrobots">Test-Driven Rails course</a> on <a href="https://upcase.com/">Upcase</a>. What’s
changed?</p>

<h2>Updated Gems, including Rails 4 and RSpec 3</h2>

<p>We’ve updated the course to take advantage of newer versions of Ruby, Rails,
RSpec…</p>

<p>Each acceptance test tells a story: a logical progression through a task
within an application. As developers, it’s our responsibility to tell each
story in a concise manner and to keep the reader (either other developers or
our future selves) engaged…</p>

Learn one simple way to speed up your tests with the factory_girl gem!