Preface This book is not about how to write correct and beautiful code, I am assuming that you already know how to do that. This book isn’t really about profiling and performance tuning either. Although, there is a chapter in this book on tracing and profiling which can help you find bottlenecks and unnecessary usage of resources. There also is a chapter on performance tuning. These two chapters are the last chapters in the book, and the whole book is building up to those chapters, but the real ...