怎样判断一个指针指向的对象是否已经被析构，很好的学习C++的资料...

一个效率很高的通配符查找算法，适用于对"*"和“?”的通配符查找，可以根据需要进行修改，适用于不同应用， 另外还有一个非常适用的CRC检查算法-a highly efficient wildcard search algorithm that applies to the "*" and "the" wildcard search, it may need to make changes apply to different applications, there is another very applicable CRC check algorithm

huffman树的基本实现. 利用读取TXT文件统计产生huffman树,从而对TXT文件进行压缩和解压.-huffman tree realize. the use of statistics to read TXT file generated huffman tree, thus TXT file compression and decompression.

凸壳算法，散点成三维体的方法，该方法从洋鬼子那得来的。-convex hull algorithm, scattered dots on the three-dimensional method from the foreign devils that comes from.

一个新的学籍管理系统-a new Academic Information Management System

一个ADO+VC的源码，适用于初学者,里面还有其他控件用法-A ADO+ VC source for beginners, there are other controls usage

数据结构练习测试-Data Structures Practice Test

二叉树的先序，中序，后序，按层遍历算法。以中序输入，用‘#’代替叶子节点的子节点输入。-binary tree first sequence, sequence after sequence, layer by traversal algorithm. The order to import, use "#" instead of the leaf nodes for input nodes.

求解约瑟夫问题。设有n个人围成一个圆圈坐下，对所有围从的人从某个位置开始编号为1,2,3，……，n,从编号为1的人开始报数1，报数依交进行，报数n的人即出列，下一个人从1开始报数，再报数m的人便是第二个出列的人如此重复下去，直到最后一个人出列为止，于是便得到一个出列的顺序，这称之为约瑟夫(Josephu)问题。-solving problems. N individuals have formed a circle to sit down, all right Wai from the start from a position of No. 1, 2, 3, ..., n, for a number of people reported a few, according to several newspaper pay, the newspaper n ie the out, the next person was from the beginning a few , and reported m is the second out of this series continue to repeat until the final out in a series, then get a series out of order, which called Joseph (Josephu) problem.

一个不错的员工培训系统-a good staff training system

ORACLE数据库的并集查询-ORACLE database inquiries and Set