Introduced 160 years ago as an attempt to generalize complex numbers to higher dimensions, quaternions are now recognized as one of the most important concepts in modern computer graphics. They offer a powerful way to represent rotations and compared to rotation matrices they use less memory, compose faster, and are naturally suited for...

Android development is hot, and many programmers are interested in joining the fun. However, because this technology is based on Java, you should first obtain a solid grasp of the Java language and its foundational APIs to improve your chances of succeeding as an Android app developer. After all, you will be busy learning the architecture of...

The Python Text Processing Beginner's Guide is intended to provide a gentle, hands-on introduction to processing, understanding, and generating textual data using the Python programming language. Care is taken to ensure the content is example-driven, while still providing enough background information to allow for a solid...

If you have a Droid series smartphone—Droid, Droid X, Droid 2, or Droid 2 Global—and are eager to get the most out of your device, Droids Made Simple is perfect for you. Authors Martin Trautschold, Gary Mazo and Marziah Karch guide you through all of the features, tips,...