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Node.js异步处理CPU密集型任务
Node.js异步处理CPU密集型任务Node.js擅长数据密集型实时(data-intensivereal-time)交互的应用场景。然而数据密集型实时应用程序并非仅仅有I/O密集型任务,当碰到CPU密集型任务时,比方要对数据加解密(node.bcrypt.js),数据压缩和解压(node-ta....
分类:Web程序   时间:2014-07-21 09:36:43    阅读次数:305
poj 1125 (floyed 最短路径)
Stockbroker Grapevine Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 26395   Accepted: 14558 Description Stockbrokers are known to overreact to rumours. You...
分类:其他好文   时间:2014-07-21 09:29:57    阅读次数:240
NOI2008假面舞会
1064: [Noi2008]假面舞会Time Limit:10 SecMemory Limit:162 MBSubmit:883Solved:462[Submit][Status]Description一年一度的假面舞会又开始了,栋栋也兴致勃勃的参加了今年的舞会。今年的面具都是主办方特别定制的。每...
分类:其他好文   时间:2014-07-21 09:05:45    阅读次数:243
监测查询性能(1)
在考虑采取优化行动之前(比如添加索引或非范式化),应该知道当前的查询是怎样被处理的,还应该有一些性能测量基线,这样才能比较改动前后的性能。SQL Server提供了一些工具(SET 选项)来支持对查询性能的监测;IO统计TIME统计PROFILE统计XML统计在执行查询前启用SET选项,他们会产生相...
分类:其他好文   时间:2014-07-21 00:28:50    阅读次数:245
HDOJ 4868 逃生
BestHack.....真乱..... 逃生 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 139    Accepted Submission(s): 20 Problem Description ...
分类:其他好文   时间:2014-07-20 23:21:53    阅读次数:276
linux apache 自动监护脚本
1 首先安装curlyum install curl2 编写shellvi restart_apache.sh写入一下内容#!/bin/bashURL="http://127.0.0.1/"curlit(){curl --connect-timeout 35 --max-time 40 --head...
分类:系统相关   时间:2014-07-20 23:13:03    阅读次数:244
【leetcode刷题笔记】Best Time to Buy and Sell Stock III
Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may complete a...
分类:其他好文   时间:2014-07-20 21:33:36    阅读次数:204
poj 2253 (dis最短路径)
Frogger Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 24979   Accepted: 8114 Description Freddy Frog is sitting on a stone in the middle of a lake. Suddenl...
分类:其他好文   时间:2014-07-20 21:29:14    阅读次数:273
poj 1012 Joseph (约瑟夫问题)
Joseph Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 47657   Accepted: 17949 Description The Joseph's problem is notoriously known. For those who are not f...
分类:其他好文   时间:2014-07-20 15:42:51    阅读次数:341
POJ2063 Investment 【完全背包】
Investment Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 8019   Accepted: 2747 Description John never knew he had a grand-uncle, until he received the no...
分类:其他好文   时间:2014-07-20 15:38:51    阅读次数:240
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