refer loop (), the realization of my own my_atoi (), is very good :)

复合增长率计算器，很简单的代码，自己写的，方便股票投资朋友使用。-CAGR calculator, very simple code that they wrote to facilitate the use of equity investments friends.

1602k LCD code in C code

题目    The 15-puzzle has been around for over 100 years; even if you don"t know it by that name, you"ve seen it. It is constructed with 15 sliding tiles, each with a number from 1 to 15 on it, and all packed into a 4 by 4 frame with one tile missing. Let"s call the missing tile "x"; the object of the puzzle is to arrange the tiles so that they are ordered as:   1  2  3  4  5  6  7  8  9 10 11 12 13 14 15  x where the only legal operation is to exchange "x" with one of the tiles with which it shares an edge. As an example, the following sequence of moves solves a slightly scrambled puzzle: 

提供CSocketModel类完整代码："CSocketModel.zip" 该类是SOCKET通讯综合模型，该类完成后将包装各种SOCKET通讯模式(阻塞select,异步窗口,异步事件,重叠I/O,完成I/O)等.它可以被各种通讯程序方便采用.尤其是基于SERVER/CLIENT的SERVER程序会提高大幅度性能.如果使用人要完成特定的通讯功能可以从该类继承，增加对线程池的支持功能。-provide complete CSocketModel category code : "CSocketModel.zip" SOCKET is such integrated communications model, such completion, will repackage the mode of communication SOCKET (blocking select, asynchronous window, asynchronous events, overlapping I/O, complete I/O). It can be the species used to facilitate the communication process. based particularly SERVER/CLIENT SERVER the procedures significantly improve performance. If people use to accomplish specific communication from such succession, increasing the pool of threads support.

此文档为游览器所使用呀，很好用的一个工具，请大家试用呀-This document is for the browser you used, very good to use a tool, please everyone try it

c program

一个清理数据的小程序,可以学习对系统文件夹的一些操作.-A small process of cleaning up the data, you can learn the system folder of some operations.

另一款ＥＡＮ１３条形码生成控件，用户可以很方便地在开发过程中使用，提供了原代码方便用户进行修改．-EAN13 barcode generating another control, the user can easily use in the development process, provides a user-friendly source code be modified.

此程序是用排序实现换位递规的的版本， 对程序的操作有一定的帮助作用-This program realizes the conversion recursion by sorting, making some use to operation of program.

由于熵作为有序度的对偶概念，常被看作系统演化的核心标度，较多地用于度量系统的结构变化程度，可以从宏观角度对系统整体进行衡量，目前，熵作为衡量系统无序程度的指标，熵凭借其独特的内涵已被广泛应用于统计物理学、信息论以及其他广义系统，成为了复杂系统有序性研究的重要工具，是目前表征系统混乱程度与网络有序性的重要指标。在信息科学中，信息熵作为系统状态的一种定量描述，能够表示事物的不确定性，被用来判断和度量事物集合中的有序与无序、规则性与杂乱性、单一性与多样性，表征系统的复杂性、有序程度和系统变化的方向或趋势。一般而言，系统熵值愈小，其对应宏观态有序度也越高。