The examples demonstrate Qt best practices, and has been tested on Linux, Mac OS X, and Windows, using Qt 4.6 and if possible (for example, use # if QT_VERSION), Qt 4.5. Amazon does not allow URLs so google for "qtrac" to find it.) The main theme of this book is a hybrid desktop / internet application, threading, handling rich text, Qt graphics / view architecture and Qt's model / view architecture (which devoted four chapters), although other topics are discussed. So even the most seasoned Qt programmers have to find aspects of Qt they do not realize, discover new techniques, and inspired with new ideas.