SIFT feature matching algorithm, is a good paper, very suitable for the early ha...

这个一篇关于文本分类中特征选择方法及应用的文章，很好的。-text category

内存映射文件的工作原理及使用方法-memory mapping document the working principle and methods of use

交织编码技术的详细描述

在Delphi中用拼音首字符序列来实现检索功能-used in the first alphabet sequence of characters to achieve search function

华为公司的编程规范与例子，有华为的出错案例分析，以及纠错文档。- China for company s programming standard and the example, has Hua Wei to make a mistake the case analysis, as well as error correction documents.

gc864最全的资料和相关命令有硬件说明软件说明-gc864 gsm gprs

这是一个介绍Design Pattern的PPT文件-Design Pattern on the PPT document

Delphi编程中获取屏幕分辨率 当我们需要获取所运行程序时计算机的分辨率时，有两种方法：①可以通过访问Delphi提供的SCREEN全局变量，即SCREEN.WIDTH和SCREEN.HEIGHT以像素点给出屏幕的分辨率。②利用Windows的API函数GetDeviceCaps()来得到所用显示器的分辨率-Delphi programming to obtain the screen resolution when we need access to run programs when the computer s resolution, there were two ways: ① Delphi can be provided by visiting SCREEN global variables, that is, in pixels screen.width screen.height points and to the screen resolution. ② using Windows-API function GetDeviceCaps () to get used to the display resolution

Matlab help for those who are new to this tool. Read it and explore the world

这份备忘录描述了应用在Internet中的X.509 v3证书和X.509 v2CRL（证书撤销列表）， 以接近的综述和模型引入介绍。X.509 v3证书格式随着关于Internet名字（例如IP地址）的 格式和语义学附加信息被描绘。标准证书扩展被描绘和新的Internet-specific（特有扩展）被 定义。一套证书扩展被指定。同时X.509 v2 CRL格式被描绘和一套扩展被定义。一组X.509 证书路径确认算法被描述。X.509证书中通用Internet公开密钥密码算法（即RSA，DSA和 Diffie-Hellman）的公开密钥和数字签名的格式在补充信息中提供描述。ASN.1模块和例子 在附录中提供。