怎样锁定计算机，并防止用户通过CTRL+ALT+DEL结束进程

简单的算法编程,是我们平时的数据结构中的小程序.-A simple program that is usually met in the data structures.

目录下的文件监控，当发现文件有改动时，程序自动备份文件。-directories under the control documents when changes to documents are found, the program automatically backup files.

用java实现的自动计费小程序，大方实用，是您的好帮手哦-Used to achieve automatic billing java applets, generous and practical, is your good helper Oh

一节微分实验，对数据进行求导。。。 在显示器上进行显示-A differential experiment, derivation of data. . . Be displayed in the display

类似于 MSC 的字符串处理功能模块 　类似于 MSC 的字符串处理功能模块 　-Similar to the MSC of the string processing function module similar to the MSC of the string processing function modules

输入任意顺序的姓名表，按字典顺序打印出来-arbitrary order of the input table names, according to the order printed dictionaries

Determine the background of an image, llowing extract foreground objects

这simetrica加密代码，我得到另一个开源代码

上传个小程序，VC++写的，用于获取，系统所有磁盘驱动器，供初学者学习参考-From a small program, VC++ to write, for the acquisition, the system of all disk drives, for beginners to learn information

这个程序是用java写的一个模拟进程各种状态之间的转换。通过不同的操作，直观的看到进程之间的状态转换是由什么操作引起的。-the procedure is written in java with a variety of modeling process for conversion between the state. Through the operation, intuitive process to see the state of transformation is what caused the operation.