CTRL + SHIFT + ALT + N Search for any symbol in your application, like CSS classes, Ruby classes, methods, helpers etc...
Authentication is all about being able to verify the identity of a user in the context of our application.
Goal of this lesson is to understand what middlewares in Rack are good for. Rack Start with these articles:
Stepping forward from JavaScript Basics, the goal of this card is for you to be able to read and write...
A common task in web applications is to add client-side JavaScript behavior to existing HTML elements.
In Capistrano 2, directories in shared_children used to be symlinked to the shared directory during the finalize_update task...
Understand the differences between git diff and git diff --staged (or git diff --cached) Understand the difference between git...
Get an idea of the varying support for HTML/CSS/JavaScript features in different browsers like Chrome, Firefox, Internet Explorer, Edge...
Learn Enough Command Line to be Dangerous (it's in our library => Google Drive) CLI tricks every developer should...
Learn to treat files as an ActiveRecord attribute type, like :string or :integer Research Look at the README for...
Understand what Memoization is and when it can be useful. Understand the @variable ||= computation pattern. Learn how to use...
In this card we will learn to write code that scales with a large number of database records. We will...
Read the following chapters from The Pragmatic Programmer, anniversary edition (in our library): Chapter 1, Topic 3: Software Entropy...
JavaScript is a scripting language supported by all browsers. Browsers don't speak Ruby, so if we want to implement...
Understand at least the following CSS concepts: Classes Selecting elements for styling Basic styling (color, typography, spacing)
Understand why we test: Low defect rate without a QA department. Customer acceptance testing can concentrate on new features...
Rails is our web framework. Goals Be able to write a simple Rails application. Understand how Rails talks to the...
Git is our version control system. Goals Understand why we use git. Learn how to work with your local repository...
makandra is responsible for maintaining about 75 Ruby projects. These projects use a large number of different versions for Ruby...
Ruby is the programming language we use on the backend. Goals After finishing this lesson you should be able to...
In my RubyMine I have recorded two macros for debugging and linked them to some keyboard shortcuts. Since I believe...
Starting from 4.1, Rails automatically detects the inverse of an association, based on heuristics. Unfortunately, it does not seem to...
There is no such thing as a "default order" of rows in database tables. For instance, when you paginate a...
Since version 2.6 exception notifier distinguishes between foreground and background sections. The reason is that with background jobs (e.g. methods...