一本关于数字图像处理原理的书，很经典，适合初学者

“突破邮箱附件大小限制”是一遍文章，它教你如何解决邮件附件大小的限制，- "The breakthrough mailbox appendix size limit" is an article, how does it teach you to solve the mail appendix size limit,

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linux新手管理员指南(PDF) 适合新手学习-linux novice Administrator" s Guide (PDF) suitable for novice to learn

SVG 是一种广泛使用的矢量图格式，本材料为perl SVG 绘图参考手册。-SVG is a widely used vector map format, the material for perl SVG drawing reference manual.

基于小波变换的图像降噪.pdf-Wavelet-Based Image Denoising. Pdf

WIN32高级程序设计书附源码，需要的就下。-WIN32 senior program design document attached source, on the basis of need.

《C#语言程序设计》-李继武 彭德林-电子教案 条理清晰　是C＃初学者不可多得的好教材

flex 是一个生成扫描器的工具，能够识别文本中的词法模式。flex 读入给定的输入文件，如果没有给定文件名的话，则从标准输入读取，从而获得一个关于需要生成的扫描器的描述。此描述叫做 规则，由正则表达式和 C 代码对组成。flex 的输出是一个 C 代码文件――lex.yy.c――其中定义了 yylex() 函数。编译输出文件并且和 -lfl 库链接生成一个可执行文件。当运行可执行文件的时候，它分析输入文件，为每一个正则表达式寻找匹配。当发现一个匹配时，它执行与此正则表达式相关的 C 代码-flex generated scanner is a tool that can identify lexical patterns in text. flex time into the given input file, in the absence of a given file name, then read from standard input, and thus on the need to generate a description of the scanner. This description is called the rules, by the regular expression and the composition of C code. the output of flex is a C code file- lex. yy.c-- which defines the yylex () function. Output file and compile and link-lfl library to generate an executable file. When running an executable file, it analyzes the input file, for each regular expression match to find. When they find a match, it is the implementation of regular expressions with the related C code

有关linux下图形系统的详细介绍 包括qt，minigui等等图形库的介绍- Under related linux the graph system detailed introduction includes qt, minigui and so on graph storehouse the introduction

TCP IP introduction by W_Richard_Stevens in chm format