The eigenvectors of a square matrix are the non-zero vectors that, after being multiplied by the matrix, remain parallel to the original vector.

An automated acceptance testing framework for Android and iOS. Calabash enables you to write and execute automated acceptance tests of mobile apps. Calabash is cross-platform, supporting Android and iOS native apps.

The Sliding Menu is a design pattern made popular by the Google+, YouTube, and Facebook apps.

SVG filters are a set of image processing primitives that can be combined together to create sophisticated visual effects.

SDL Tridion 2011 is the name of the SDL Tridion Content Management System released in 2010. SDL Tridion supports both Java and .NET architectures.

In programming, `println` generally prints out the arguments given, then moves to a new line for subsequent output.

CodeDOM is a framework which can be used to create an (abstract) expression tree representing real code structures (for example, classes, statements, etc.) in a language-independent way. This means if you construct an expression tree, you can use (or write) code generators to output the same logical structure in multiple different target languages. Language generators exist for VB.NET, C#, and JScript, but you can also create your own.

The Java `ObjectInputStream` deserialization class from the Java standard library.

Serenity BDD helps you write cleaner and more maintainable automated acceptance and regression tests faster. Serenity also uses the test results to produce illustrated, narrative reports that document and describe what your application does and how it works. Serenity tells you not only what tests have been executed, but more importantly, what requirements have been tested.

A CSS property that makes it possible to specify a specific region of an object to display.

The Web Push API lets users of your Web app receive push notifications at any time—even in the background; that is, even when your Web app is not currently running in the foreground on the user’s device (or even when the browser on the user’s device is not currently running). It use Service Workers to handle messages sent using common push services, and to allow your Web app to react to the push notifications it receives.