洗牌算法是我们常见的随机问题,在玩游戏、随机排序时经常会碰到,一个最常用的地方就是组卷。它可以抽象成这样:M以内的所有自然数的随机顺序数组。 package com.math;import java.util.Random;/*** author summer**/
public class Shuffle {s…
如何用画图框住所选内容Like many software engineers my life involved moving from one country to another for work. Since that moment this whole concept of relocation fascinated me because almost everyone in my circle of friends ended up in a place far from w…
转载出处:http://www.hack1990.com/post/1746.html 一般我们在Linux下执行某些外部程序的时候可能会提示找不到共享库的错误, 比如: tmux: error while loading shared libraries: libevent-1.4.so.2: cannot open shared object file: No such file or directory 原…