1. Setting up CircleCI 2.0 for Rails

    CircleCI 2.0 brings some great new features, but it’s not so straightforward to get started with. Let’s walk through how to get going.

    Nick Charlton

  2. Host your blog under /blog on your www domain with Fastly

    You’re here for the link juice, amirite?

    Ian Zabel

  3. factory_bot

    factory_girl is becoming factory_bot.

    Avielle Wolfe and Josh Clayton

  4. New Upcase Trail: Intermediate Rails 5

    In this course we’ll take a dive deep into Ruby on Rails 5 with a series of tutorials to help you move beyond the basics and start understanding and using more advanced Ruby. Together, we will build a Twitter-like application from start to finish.

    Jason Ramirez

  5. Elm and Rails Sitting in a Tree

    I-N-T-E-G-R-A-T-I-N-G: Webpacker makes using Elm in your Rails app pain-free.

    Tom Wey and Josh Clayton

  6. Access Ruby Hash Values with Fallbacks for Missing Data

    Find out different ways to access hash values in Ruby and save the dinosaurs at the same time.

    Rob Whittaker

  7. Debugging Why Your Specs Have Slowed Down

    Your test suite used to be lightning fast but now it’s starting to feel a bit sluggish. Before adding CI parallelization, let’s see if there’s any clutter to remove.

    Mike Wenger

  8. Finding the Oldest/Youngest Records Within a Group

    How to find the oldest or most recent record associated with a particular foreign key.

    Jack Wilson

  9. Lean & Maintainable Reports with Heroku Dataclips

    Write testable reports in SQL that don’t erode over time.

    Oli Peate

  10. Headless Capybara Feature Specs with Chrome

    We’re experimenting with running feature specs using Chrome’s new headless mode. How do we set it up, and how does it compare to Capybara-WebKit?

    Derek Prior

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