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...

JavaScript code can access and manipulate the browser's DOM tree. Using JavaScript we can add interactive behavior to our...

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...

Understand how we're dealing with exception notifications. Integrate exception notification into your MovieDB. Use your personal e-mail as...

What is a Cookie? Google it if you do not know. How are cookies transferred between your browser and...

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...

Understand how asynchronous JavaScript works: Read Henning's presentation about asynchronous Javascript (there's also a German video presentation...

Method lookup Understand all the terms in How Ruby method lookup works, in particular: include extend singleton class

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

Exercise 1: XML On the start page of your Movie DB, show the title of a random movie that is...

Jasmine is a great tool to unit test your JavaScript components without writing an expensive end-to-end test for...

Some tasks in a web application are better not done live when a user request a page, but in the...

Resources Rails Guide: Internationalization API Guide to localizing a Rails application Locale-aware helpers in ActionView::Helpers::NumberHelper