GetTickCount unable to calculate the following time 16ms, which can code the pre...

背包问题，背包问题的5种算法，一共五个文件，每个文件一种算法-Knapsack problem, knapsack problem of the five kinds of algorithms, a total of five files, each file an algorithm

改变控件大小的例程，改变MFC类下窗体、按钮、输入框等控件的大小，相当于集成了MFC的若干功能，在实际编程中非常方便

C/C++帮助文档 c/c++开发必备-C/C++ Help c/c++ Development must

linux嵌入式系统的sock源码。建立SOCK连接-linux embedded system sock source. Sock connection establishment

CString类的使用方法显现-redeem kind of use appear

VC编写的EAD程序，实现了基本电子元件的绘制及视图的缩放功能-VC prepared by the EAD process, achieve the basic electronic components and the mapping View zoom function

学生：修改密码，查看个人资料，查看所选课程成绩，选课。 教师：修改密码，查看个人资料，查看所教课程所有学生的成绩，录入成绩。 教密：修改密码，查看个人资料，学生信息维护（添加、删除和修改），教师信息维护（添加、删除和修改），课程信息维护（添加、删除和修改），专业信息维护（添加、删除和修改），查看所有课程成绩。-Student: change passwords, view personal information, view the selected program accomplishments, elective. Teacher: change passwords, view personal information, view the curriculum taught to all students of the results, entry results. Education secret: change password, view personal information, student information maintenance (add, delete and modify), teacher information maintenance (add, delete and modify), course information maintenance (add, delete and modify), professional information maintenance (add, delete and modify), view all course grade.

C51驱动PM2.5芯片源码，基于KEIL MDK的C51版本开发的PM2.5传感器驱动代码，内部附有文档和说明，也有直接可以用的可执行文件。方便二次开发，对PM2.5环境监测的学习具有深远意义。

双向探针1.1 双向探针1.1 -two-way probe 1.1 1.1 bidirectional two-way probe probe 1.1-1.1 two-way probe to probe 1.1

how 2 multiply matrix-how 2 multiply matrix??