Beginning Lua Programming

本书介绍Lua编程的基础知识,包括如何使用元方法扩展Lua的操作符、使用表格、字符串及模块的方法、利用协程处理事件等。此外,还介绍了如何利用Lua社区资源增强应用程序开发,以及如何在网站上展示动态信息。

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Experts Jung and Brown first present the fundamentals of programming and explain standard Lua functions. They then show you how to take advantage of all of the free Lua community resources that are available. Complete code samples are integrated throughout the chapters to clearly demonstrate how to apply the information. Diagrams are also included to highlight important Lua features such as stacks, hash tables, garbage collection, and function closures. All of this will help you to quickly write your own effective programs.

What you will learn from this book
*Ways to extend Lua's operators with metamethods
*Methods on how to use tables, strings, and modules
*How to handle events naturally with coroutines
*Techniques for managing information with databases
*Tips for handling and avoiding programming errors
*Ways to create your own innovative games
*How to enhance application development using packages contributed by the Lua community
*Steps for presenting dynamic information on your web site

http://rapidshare.com/files/54655809/0470069171.zip
When Waldemar, Luiz, and I started the development of Lua, back in 1993, we could hardly imagine that it would spread as it did. Started as an in-house language for two specific projects, currently Lua is widely used in all areas that can benefit from a simple, extensible, portable, and efficient scripting language, such as embedded systems, mobile devices, the Internet of Things, and, of course, games. We designed Lua, from the beginning, to be integrated with software written in C/C++ and other conventional languages. This integration brings many benefits. Lua is a small and simple language, partly because it does not try to do what C is already good for, such as sheer performance and interface with third-party software. Lua relies on C for these tasks. What Lua does offer is what C is not good for: a good distance from the hardware, dynamic structures, no redundancies, and ease of testing and debugging. For these goals, Lua has a safe environment, automatic memory management, and good facilities for handling strings and other kinds of data with dynamic size. Part of the power of Lua comes from its libraries. This is not by chance. After all, one of the main strengths of Lua is its extensibility. Many features contribute to this strength. Dynamic typing allows a great degree of polymorphism. Automatic memory management simplifies interfaces, because there is no need to decide who is responsible for allocating and deallocating memory or how to handle overflows. First-class functions allow a high degree of parameterization, making functions more versatile. More than an extensible language, Lua is also a glue language. Lua supports a component-based approach to software development, where we create an application by gluing together existing high-level components. These components are written in a compiled, statically-typed language, such as C or C++; Lua is the glue that we use to compose and connect these components. Usually, the components (or objects) represent mo
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