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World of Warcraft has entered a new dimension. Take command of it by modifying the interface with your own unique addons. Whether your goal is to enhance addons you already use, to enlarge your arsenal by creating some all-new features, or to immerse yourself in the programming as well as the game, this book will be your oracle. Learn the arcane languages of Lua and XML and master the craft of addon creation!

Concurrency is generally considered to be difficult due to a lack of appropriate abstraction, rather than inherent complexity. Lock-based approaches to mutual exclusion are pervasive, despite the presence of models that are easier to understand, such as the message-passing model present in CSP (Communicating Sequential Processes). CSP provides a rich framework for building and reasoning about concurrent systems, but has historically required a change of programming language or paradigm in order to work with it. The Go programming language is a modern, imperative programming language that includes native support for processes and channels. The popularity of this language has grown and more and more people are being exposed to the fundamental ideas of CSP. There is a gap in the understanding of how a restrictive formal model can interact with and support the development of concurrent programs in a language such as Go. Through a series of case studies and analysis, we show how the CSP concurrency model can be used as the basis for the design of a concurrent system architecture without requiring the program to be written entirely as the composition of processes. It is also possible to use the CSP process algebra to build abstract models and use model-checking tools to verify properties of a concurrent system. These models can then be used to guide the decomposition of a system into a more fine-grained concurrent system. This thesis bridges the gap between the development of CSP-style concurrent software and the formal model of CSP. In particular, it shows how it is not necessary for a program or programming language to conform to rigid structure in order for CSP to be a useful tool for the development of reliable and easy to understand concurrent systems.

World of Warcraft is your world. You are fearless. You are in cmomand. And when you can command these awesome addons, macros, and customizations, you'll savor the heady brew of victory. From the masters who gave us Atlas and PerfectRaid/Clique, you'll learn how to gain an advantage in combat, write spell-casting macros, work with frames and XML, develop Lua scripts that work with the WoW API, and more. Yeah they're legal. But don't let that hold you back.