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字符串函数在计算机编程语言中用于操作字符串或查询有关信息的字符串 （一些做两个）。 有字符串数据类型的大多数编程语言将会有一些字符串函数，虽然可能有其他低级方法内的每种语言直接处理字符串。在面向对象语言中，字符串函数通常实现为字符串对象的属性和方法。在基于列表的功能和语言中字符串表示为 （字符代码） 的列表，因此所有列表操作程序可以都考虑字符串函数。然而这种语言可能实现，以及明确的字符串特定功能的一个子集。 最基本的实例的字符串是函数的length(string)函数。此函数返回字符串的长度。

David Hawley, Raina Hawley著，O Reilly出版社2004年3月出版。ISBN : 0-596-00625-X 。 本书介绍关于Excel的技巧工具，用来帮助在workbook和worksheet中破解内建特性，如表、图、公式、函数等。这本书手把手教你如何用Excel做任何事，从数据分析到worksheet的导入导出管理，以你可能从未想过的方式。本书提高了使用Excel的效率，在过程中也带给你"破解"的快感。-The tips and tools in Excel Hacks include little known "backdoor" adjustments for everything from reducing workbook and worksheet frustration to hacking built-in features such as pivot tables, charts, formulas and functions, and even the macro language. This resourceful, roll-up-your-sleeves guide shows you new ways to make Excel do things--from data analysis to worksheet management to import/export--that you never thought possible. Excel Hacks increases productivity with Excel and gives you hours of "hacking" enjoyment along the way.

关于滤波的设计 及示例,pdf格式，在matlab下设计完成！-the design for the filter!

TMS320F2812的中文资料，主要描述芯片的引脚功能和一些应用案例。-TMS320F2812 the Chinese data, the main describing chip features and some application cases of pin-

Visual C++NET专业项目实例开发-源代码Project01Chapter08BankOperation-Visual C++ NET development of professional project examples- source code Project01Chapter08BankOperation

裘宗燕老师的书，介绍编程实践（c语言）不错的书-Qiu Yan teacher

这是一本java编程思想3的课后习题解答的 里面对每个问题都做了非常仔细的作答 是初学者的很好参考书哦-This a java programming after-school thinking three Exercise inside the right answer every question have done a very careful answer is a good reference books beginners oh

动态规划的相关资料，dp主要是寻找递归关系，这里面有很多类型的dp资料便于学习-Dynamic programming related information, dp is mainly to find a recursive relationship, and there are many types of information to facilitate learning of dp

一个我总结的和别人给我的一个关于电脑硬件和软件故障处理，对于电脑不熟悉的人来说还是很有用处的-a summary and others give me one on the computer hardware and software failures, As far as the computer is not familiar with the people or very useful

The Joint Video Team (JVT) of ISO/IEC MPEG and ITU-T VCEG are finalising a new standard for the coding (compression) of natural video images. The new standard [1] will be known as H.264 and also MPEG-4 Part 10, “Advanced Video Coding”. The standard specifies two types of entropy coding: Context-based Adaptive Binary Arithmetic Coding (CABAC) and Variable-Length Coding (VLC). The Variable-Length Coding scheme, part of the Baseline Profile of H.264, is described in this document.