What is the main difference between init() and launch()?

How long does sencha.io src cache images?

In: "src='http://src.sencha.io/x50/http://sencha.com/files/u.jpg'," What does x50 represent?

In the Drawing and Charting Package, which class manages both the rendering of each series and how the axes are drawn and defined?

How are new applications generated in Sencha Touch?

Sencha's theming subsystem is called Syntactically _____ Stylesheets.

What type of structures does Sencha Touch follow?

The most basic Sencha application consists of, at least, each the following: the Sencha libraries, ___, JavaScript file containing the apps source code.

What are proxies responsible for?

What is app.js?

Which syntax should you use to get automatic getters and setters and have a much cleaner codebase?