Ruby is the programming language we use on the backend. Goals After finishing this lesson you should be able to...

Rails is our web framework. Goals Be able to write a simple Rails application. Understand how Rails talks to the...

Understand why we test: Low defect rate without a QA department. Customer acceptance testing can concentrate on new features...

Learn to create test data effectively using factories. Decouple tests by having each test start with an empty database...

Basic validations Read the Rails Guide on ActiveRecord Validations. You should have an overview which kinds of validations are built...

In this card we will learn to write code that scales with a large number of database records. We will...

When your code does not behave as expected, you can use a debugger statement ("breakpoint") at any point in your...

Built-in matchers Get an overview of all the matchers that are built into RSpec. Play with some of...

As developers we are dealing with many tasks every week. We need a system to organize ourselves. Goals After completing...

makandra's development process Learn about our process. The squares represent the state of the issue in Linear:

Learn to treat files as an ActiveRecord attribute type, like :string or :integer Research Look at the README for...

Advanced cucumber features Learn about the following cucumber features: Doc Strings ("multiline strings") Tables Tags Before/after hooks Background Scenario outlines...

We use Selenium WebDriver integrated with Cucumber/Capybara for full-stack integration testing. Try and use it Your forked MovieDB should...

A common task in web applications is to add client-side JavaScript behavior to existing HTML elements.

Authentication is all about being able to verify the identity of a user in the context of our application.

Watch Solving bizarre authorization requirements with Rails Read the Consul README Read the assignable_values README Understand how Consul...

Understand how nested attributes appear in the params. See how the Rails form helpers encode the names of nested...

Get an idea of the varying support for HTML/CSS/JavaScript features in different browsers like Chrome, Firefox, Internet Explorer, Edge...

While working on a Rails application, your code base will grow a collection of different file types including: Ruby (business...

Congratulations, you just made it through about half of our curriculum deck! 🎉 We've covered the basics of your future...

Just like we use gems on the server, we use third party JavaScript libraries in the browser. These typically provide...

Rubymonk training Read the following Rubymonk articles: Ruby Primer: Ascent (archived copy) Metaprogramming Ruby (archived copy) Metaprogramming Ruby: Ascent (archived...

Your MovieDB gained traction and is now a popular tool among cineasts. This comes with a downside: You noticed a...

Exercise 1: Maps In MovieDB, add a new field “Principal filming location”. In a movie’s show view, geocode that...