makandra offers an 8 month paid trainee program 🇩🇪 for junior developers that are looking to start a professional career in...

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

There is no single place to look up documentation for our stack. This card includes some hints where you can...

makandra is responsible for maintaining about 75 Ruby projects. These projects use a large number of different versions for Ruby...

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...

JavaScript is a scripting language supported by all browsers. Browsers don't speak Ruby, so if we want to implement...

Learn to read and write Haml. Understand the different attributes syntaxes (curly braces vs. round parentheses) Exercises Convert MovieDB...

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

Understand what Memoization is and when it can be useful. Understand the @variable ||= computation pattern. Learn how to use...

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...

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

Learn Enough Command Line to be Dangerous (it's in our library => Google Drive) CLI tricks every developer should...

Understand why we use pagination Exercises Create 7500 movies in MovieDB (hint: Doing it in a single transaction is...

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...

Web security basics Einführung in die Web Security 🇩🇪 provides essentials for the topic of this card. Read following chapters:

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

Resources RubyGuides: Mastering Ruby Regular Expressions Using regular expressions in JavaScript Testing regular expressions visually Regular Expressions: Quantifier modes...

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