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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.
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I-N-T-E-G-R-A-T-I-N-G: Webpacker makes using Elm in your Rails app pain-free.
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Find out different ways to access hash values in Ruby and save the dinosaurs at the same time.
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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.
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How to find the oldest or most recent record associated with a particular foreign key.
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Write testable reports in SQL that don’t erode over time.
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Exploring how to use FactoryGirl effectively with models backed by plain Ruby objects.
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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?
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Avoid some tricky edge cases when decorating ActiveRecord models.
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Improve test readability by leveraging RSpec’s matcher composition to make multiple assertions with a single matcher.