Objective-C was created as a compromise trying to combine the speed of C and the flexibility of Smalltalk. David Chisnall shows how to avoid the slower parts of the language in the hot parts of your code....

Most users want to change their software add and experiment with other software options install and use hardware devices like printers access remote files use the terminal and maybe even run some Windows programs. Ubuntu provides many ways to do each of these things and this chapter gets you started with each of them and more....

Microsoft MVP for Silverlight Jeremy Likness covers asynchronous programming techniques. Learn how to call your web services in a way that prevents performance bottlenecks or blocking on the UI thread when processing complex results understand the differences between the event-based and asynchronous programming model and discover techniques for handling...