介绍了protel dxp 中将pcb文件输出为cam文件，大家 看一下

文件上传下载系统源码，-file upload download source code.

Word中操作的vba源码实例，很多有用的功能，希望对从事office自动化的朋友有帮助-Word operating vba source code examples, many useful functions, and they hope to engage in office automation has helped Friend

javascript权威指南第五版(英文)-javascript The Definitive Guide Fifth Edition (English)

Visual C++ 串口通信技术与工程实践-Visual C++ Serial communications technology and engineering practice

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Phaselocked loop for wirelss communications --ebooks very good -Phaselocked loop for wirelss communications ebooks very good

使用c++编译的一个工资信息管理系统，能够进行各种操作包括删除插入录入-Using c++ compiler, a salary information management system, capable of inserting a variety of operations including the deletion of entry, etc.

本书作者根据自己学习C++的亲身体会及多年教学经验，用简单的例子和简练的叙述讲解C++编程，别具特色。全书共分十八章，内容涉及对象的演化、数据抽象、隐藏实现、初始化与清除、函数重载与缺省参数、输入输出流介绍、常量、内联函数、命名控制、引用和拷贝构造函数、运算符重载、动态对象创建、继承和组合、多态和虚函数、模板和包容器类、多重继承、异常处理和运行时类型识别。本书作为正式教材和自学用书均非常优秀，作为程序设计者的参考用书亦极为合适。-Author of this book to learn C++ based on their personal experience and years of teaching experience, using simple examples and concise narrative explaining C++ programming, distinctive. The book is divided into 18 chapters, covering the evolution of the object, data abstraction, hiding implementation, initialization and clearance, function overloading and default parameters, input and output stream introduced constants, inline functions, named control, reference and copy constructors, operator overloading, dynamic object creation, inheritance and composition, polymorphism and virtual functions, templates, and package container classes, multiple inheritance, exception handling and runtime type identification. The book as a formal teaching and self-learning books are very g

Tug of War(A tug of war is to be arranged at the local office picnic. For the tug of war, the picnickers must be divided into two teams. Each person must be on one team or the other the number of people on the two teams must not differ by more than 1 the total weight of the people on each team should be as nearly equal as possible. The first line of input contains n the number of people at the picnic. n lines follow. The first line gives the weight of person 1 the second the weight of person 2 and so on. Each weight is an integer between 1 and 450. There are at most 100 people at the picnic. Your output will be a single line containing 2 numbers: the total weight of the people on one team, and the total weight of the people on the other team. If these numbers differ, give the lesser first. )

从表面上看，Java的classpath（类路径）很简单，但一直以来它都是一个产生问题和混乱的根源。本文介绍classpath的基本知识、可能产生的问题，并提供了一个简单的classpath管理工具-On the surface, Java classpath (class path) is very simple. But there has been generated it is a problem and the root cause confusion. This paper introduces the basic knowledge classpath, the problem that may arise. and to provide a simple management tool classpath