This book isn’t just about static words on a page or screen. It comes with a web page, http://www.pragprog.com/titles/adios2, where you can learn more and access useful resources:
Download the complete source code for all the code examples in the book as ready-to-build Xcode projects.
Participate in a discussion forum with other readers, fellow developers, and the authors.
Help improve the book by reporting errata, such as content suggestions and typos.
If you’re reading the ebook, you can also access the source file for any code listing by clicking on the gray-green rectangle before the listing.
As we build our sample projects in this book, we will often write simple code, only to rewrite it with more ambitious code later ...