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参考源码，学习例子-reference source, study examples

用VC编写的一个中国象棋程序，支持人机对战，悔棋等功能。-VC prepared by a Chinese chess procedures, support human-machine players, he never cheat in spain capabilities.

L297 应用文档 讲述L297 和L298 配合 作步进电机的细分-L297 and L298 application documents about the L297 stepper motor with a breakdown of co-operation

VB通过串口读取条形码，通过VB编写的程序-VB to read bar codes through the serial port through VB program prepared

将文本框的文本内容倒序排列,可后台快捷键得到剪切版内容.-Text content of the text box reverse order, shortcut keys can be cut back version of the content.

It s about basic to learn for face detection by opencv

windows下的自动关机程序-an auto shut down program in the windows environment

907求多元线形回归方程及预报 一．功能 x1，x2, x3,………..xp为自变量，Y为随机变量， 求线形回归方程 Y= + +…+ + 其中 。。。， 为常数， 是随机变量，且 ―N（0， ） 来描述Y与X的变化规律。并用T检验法检验线形回归是否显著。 如果线性回归显著，可用经验回归平面方程对Y作出预报，并给出预报值的置信区间。 -907 for multiple linear regression equation and a prediction. Functional x1, x2, x3, ... .. xp as variables, Y random variables, linear regression equation for Y = ... which. . . For the constant, random variables and-N (0), to describe the X and Y changes. Using T-test whether linear regression significantly. If the linear regression notable experience available on the return plane equation Y forecasts, and gives the predicted confidence interval.

VB+MAPX5.0做的简单电子地图程序,包括放大,缩小,拖动,查询,测距,图层显示,标注显示.只为给初学者一个例子-VB MAPX5.0 do simple electronic maps, including to zoom, drag, inquiries, and Ranging, layers, tagging shows. Just to give an example beginners

算法是指完成一个任务所需要的具体步骤和方法。也就是说给定初始状态或输入数据，经过计算机程序的有限次运算，能够得出所要求或期望的终止状态或输出数据。算法常常含有重复的步骤和一些比较或逻辑判断。如果一个算法有缺陷，或不适合于某个问题，执行这个算法将不会解决这个问题。不同的算法可能用不同的时间、空间或效率来完成同样的任务。一个算法的优劣可以用空间复杂度与时间复杂度来衡量。 -Algorithm is required to complete a task specific steps and methods. That is a given initial state or input data through a computer program for a limited time operations, able to draw the required or desired end state or output data. Algorithm often contain repeat the steps and some of the more or logical judgments. If an algorithm is defective, or not suitable for a particular problem, the implementation of this algorithm will not solve the problem. Different algorithms may use a different time, space or efficiency to accomplish the same task. Pros and cons of an algorithm can use space complexity and time complexity of the evaluation.