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题目：取一个整数a从右端开始的4～7位。 程序分析：可以这样考虑： (1)先使a右移4位。 (2)设置一个低4位全为1,其余全为0的数。可用~(~0<<4) (3)将上面二者进行&运算。 2.程序源代码：(Topic: take an integer a from the right end of the four to seven began. Program analysis: it can be to consider: (1) to make a move to the right four. (2) sets a low four total for the 1, all the rest for 0 of the number. Can be used to (~ 0 < < 4) (3) will above the difference and operations. 2. The source code:)

可捕获系统消息，功能简单实用，是初学hook的理想资料(System can capture news, features simple, practical, is the ideal beginner hook information)

设X[ 0 : n - 1]和Y[ 0 : n – 1 ]为两个数组，每个数组中含有n个已排好序的数。找出X和Y的2n个数的中位数。  编程任务 利用分治策略试设计一个O (log n)时间的算法求出这2n个数的中位数。 数据输入 由文件input.txt提供输入数据。文件的第1行中有1个正整数n（n<=200），表示每个数组有n个数。接下来的两行分别是X，Y数组的元素。结果输出 程序运行结束时，将计算出的中位数输出到文件output.txt中(Let X [0: n- 1] and Y [0: n- 1] for the two arrays, each array containing the n number has been sorted. 2n X and Y to identify the number of digits.  programming tasks using the divide and conquer strategy try to design an O (log n) time algorithm to calculate this median number 2n. Data input by the input data provided input.txt file. The first line in the file has a positive integer n (n < = 200), that there are n numbers of each array. The next two lines are the X, Y array elements. The end result is output program runs, the calculated median output to file output.txt)

自编进程查看管理器，visual c++课程设计，visual c++小制作(Self Process View Manager, visual c++ curriculum design, visual c++ small production)

使用windows api将字符在Unicode编码和GBK编码之间相互转换的示例程序(convert between unicode and gbk)

The uploaded source code is a window based application for developing "Banking System" using Visual basic as front end and MS-Excel as back end. This project is an implementation of simple tasks that occur during transactions in a bank. Since it is in visual basic, it is very simple to understand.

save picture webcam to computer

使用VOF进行液-液两相流的界面追踪，非常使用，强烈推荐(For liquid- liquid two phase flow using VOF interface tracking )

一个很好用的通用串口通讯类，含例程，在VC下可执行(With a good general-purpose serial communications, including routines, under the executable in VC)

电机的单片机控制是一本很好的书，现在的电机主要靠电力电子的技术对其控制，而单片机的控制使其更加的智能化。(Motor SCM control is a very good book, now the motor depends mainly on the power electronic technology on the control of MCU control, and make it more intelligent. )