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实现效果需要处理以下这三个消息:WM_NCHITTEST WM_SETCURSOR WM_NCLBUTTONDOWN很多人在问三个函数是做什么用的,下面我大概介绍一下:OnNcHitTest(UINT nHitTest, CPoint point)是用来测试鼠标的位置,Nc表示非客户区OnSetCu...
分类:其他好文   时间:2014-05-27 18:08:42    阅读次数:394
HDU4033:Regular Polygon(二分+余弦定理)
Problem Description In a 2_D plane, there is a point strictly in a regular polygon with N sides. If you are given the distances between it and N vertexes of the regular polygon, can you calculate t...
分类:其他好文   时间:2014-05-26 03:50:40    阅读次数:252
C++ 操作符函数
Point.h /*  * Point.h  *  *  Created on: 2014年5月22日  *      Author: John  */ #include using namespace std; #ifndef POINT_H_ #define POINT_H_ class Point { private: int x; int y; ...
分类:编程语言   时间:2014-05-26 03:19:07    阅读次数:399
结构体与字符串之间的转换
UIKIT_EXTERN NSString *NSStringFromCGPoint(CGPoint point);UIKIT_EXTERN NSString *NSStringFromCGSize(CGSize size);UIKIT_EXTERN NSString *NSStringFromCG...
分类:其他好文   时间:2014-05-26 02:44:06    阅读次数:209
线段交点模版
http://acm.hdu.edu.cn/showproblem.php?pid=1086跨立实验算法#include#include#include#includeusing namespace std;struct Point{ double x,y;} ;struct Line{ ...
分类:其他好文   时间:2014-05-26 02:10:52    阅读次数:224
Java 并发专题 : CyclicBarrier 打造一个安全的门禁系统
继续并发专题~ 这次介绍CyclicBarrier:看一眼API的注释: /** * A synchronization aid that allows a set of threads to all wait for * each other to reach a common barrier point. CyclicBarriers are * useful in program...
分类:编程语言   时间:2014-05-25 18:15:06    阅读次数:316
如何调用另一个包中的Application
在项目中要集成Xabber,将它作为一个Lib, 。。。。。 Xabber 原有代码 /** * Base entry point. * * @author alexander.ivanov */ public class Application extends android.app.Applic...
分类:移动开发   时间:2014-05-25 13:54:13    阅读次数:257
ACdream1012:Convex
Problem Description We have a special convex that all points have the same distance to origin point. As you know we can get N segments after linking the origin point and the points on the convex. ...
分类:其他好文   时间:2014-05-25 09:50:19    阅读次数:217
acd Convex(求面积)
Problem Description We have a special convex that all points have the same distance to origin point. As you know we can get N segments after linking the origin point and the points on the convex. ...
分类:其他好文   时间:2014-05-25 06:55:54    阅读次数:188
从一道面试题(死循环里分配内存)阐述Linux的内存管理
int cnt = 0; while(1) { ++cnt; ptr = (char *)malloc(1024*1024*128); if(ptr == NULL) { printf("%s\n", "is null"); break; } } printf("%d\n", cnt); 这个程序会有怎样的输出呢?...
分类:系统相关   时间:2014-05-24 21:59:47    阅读次数:479
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