是一个QQWRY.DAT的ASP利用程序，修改于网络上流传的代码，只不过结合纯真数据库而做了优化。它可以直接使用该文件作为数据源做IP物理定位查询.-is an ASP QQWRY.DAT use procedures modified disseminated on the Internet code, but combining pure database optimization done. It can directly use the documents as data sources

经典的文件透明加解密程序，以及xefs.dat规则生成程序。-Classic transparent file encryption and decryption procedures, as well as rule generation procedures xefs.dat.

设计一个用于管理朋友信息的程序。将朋友信息（年龄、姓名、电话）存放在MyFrd.dat中，从文件读出这些信息并显示，并能按姓名(要求可简化输入，如只输入姓氏便可查询)进行查询，将查询信息输出屏幕。-The design of a friend used to manage information. Will be a friend information (age, name, phone number) stored in MyFrd.dat, from paper to read out t

driver program which uses the above two modules. I have also made available the data set pollute.dat of mortality rates against socio-economic, meteorological and pollution variables for 60 statistical areas in the USA.