冒泡算法 <?php function bubbleSort($ary){ $len = count($ary); for ($i=0; $i < $len…
public class DensityUtil { /** * 根据手机的分辨率从 dp 的单位 转成为 px(像素) */ public static int dip2px(C…
#include<stdio.h> #include<stdlib.h> #include<conio.h> #include<strin…
如何开启僵尸对象
算法简介: 俄罗斯农夫法的乘法算法,整数与整数相乘的方法如下: 代码如下: import java.util.Scanner; public class Algorithm_1 {…
把数据库文件放在res/raw下 貌似android 的raw下视不会被编译成二进制的。然后一运行程序就判断是否存在数据库表不存在则通过输入输出流复制raw下的数据库文…
简介: 归 并排序将整个集合问题分解为最小单元,将该单元n1内的内容全部排序,然后将相邻的单元n1,n2重新排序。如果将n1,n2看做一个整体n的话,则针对 n,先对其一半进行排序…
通过创建BroadcastReceiver来侦测系统中有关电池Intent(ACTION_BATTERY_CHANGED)的变化,一旦有接收到相关事件,将会读取当前电量情况,并通过…
#include<stdio.h> #include<stdlib.h> #include<time.h> #include<conio.…
我们经常看到一些app中可以显示圆角图片,比如qq的联系人图标等等,实现圆角图片一种办法是直接使用圆角图片资源,当然如果没有圆角图片资源,我们也可以自己通过程序实现的,下面介绍一个…
/*分治法——归并排序 * 二路归并排序的分治策略是: (1)划分:将待排序序列r1, r2, …, rn划分为两个长度相等的子序列r1, …, rn/2和rn/2+1…
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