原文:http://blog.mediumequalsmessage.com/promise-deferred-objects-in-javascript-pt2-practical-use Introduction In part 1 of this post, I spent a lot of time looking at the theory of promises and deferreds: what promises are and how they behave. Now it’…
简单的3维BFS 大写的YES和NO,这心粗的....唉 #include<iostream> #include<cstdio> #include<queue> using namespace std; char map[2][12][12]; int d[2][3]; int dir[4][2]={0,1,0,-1,-1,0,1,0}; int n,m,t; struct node{ int x,y,z; int step; }; int bfs(){ queue&l…
SUMMARY:two server : A , Bsource server : Adestination server : Bthe steps of migrate data from A to B without password.(1) generate A public key.(2) copy A's public key to B.(3) login A remote B without password to copy file. // NOTES : if want to l…
Catch That Cow Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 46715 Accepted: 14673 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,00…
Given a positive integer n and you can do operations as follow: If n is even, replace n with n/2. If n is odd, you can replace n with either n + 1 or n - 1. What is the minimum number of replacements needed for n to become 1? Example 1: Input: 8 Outp…
1. 概述 Spring Batch提供了多种方式用于处理并行,提高性能.主要分为2大类: - 单个进程,多线程 - 多个进程 因此,可以细分为以下几类: - 多线程Step(Multi-thread Step,single process) - 并行Step(Parallel Steps, single process ) - Remote Chunking of Step( multi process) - Partitioning a step(single or multi proces…
The Game Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 6247 Accepted: 1601 Description A game of Renju is played on a 19*19 board by two players. One player uses black stones and the other uses white stones. The game begins in an emp…
源代码地址:https://github.com/hopebo/hopelee 语言:C++ 301. Remove Invalid Parentheses Remove the minimum number of invalid parentheses in order to make the input string valid. Return all possible results. Note: The input string may contain letters other tha…