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#2006 - MySQL server has gone away
#2006 - MySQL server has gone away 对于web应用来说,经常会用到mysql,而数据的备份与还原是web应用经常做的事,一般来说,用客户端工具phpmyadmin,sqlyog 等,来备份数据库没有任何问题,还原时经常碰到mysql提示的#2006错误。 Error: 2006 (CR_SERVER_GONE_ERROR) Message:...
分类:数据库   时间:2014-09-26 20:42:58    阅读次数:231
[转]何为C10K问题
我在学习网络编程的时候经常看到C10K问题,那么究竟什么是C10K问题呢?我看到了一篇好文章就转了过来,原文地址为:c10k问题 所谓c10k问题,指的是服务器同时支持成千上万个客户端的问题,也就是concurrent 10 000 connection(这也是c10k这个名字的由来)。由于硬...
分类:其他好文   时间:2014-09-26 20:01:18    阅读次数:145
How to Kill All Processes That Have Open Connection in a SQL Server Database[关闭数据库链接 最佳方法] -摘自网络
SQL Server database administrators may frequently need in especially development and test environments instead of the production environments to kill ...
分类:数据库   时间:2014-09-26 19:06:48    阅读次数:667
[LeetCode] Maximum Product Subarray的两种思路
Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4], the contiguous subarray [2,3] has the larges...
分类:其他好文   时间:2014-09-26 15:03:38    阅读次数:359
[LeetCode]Maximum Product Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4], the contiguous subarray [2,3] has the larges...
分类:其他好文   时间:2014-09-26 01:16:58    阅读次数:271
Host XXX is blocked because of many connection errors, unblock with 'mysqladmin flush-hosts
连接MySQL失败,除了权限问题之外,还遇到这种情况,出错信息:HostXXXisblockedbecauseofmanyconnectionerrors,unblockwith‘mysqladminflush-hosts‘。而且XXX还不是IP地址而是domainname。MySQL服务器和客户端在同一台测试及其上,连接的时候用的mysql-uroot-hipaddr。查看机..
分类:数据库   时间:2014-09-25 23:54:08    阅读次数:189
1014. Waiting in Line (30)——PAT (Advanced Level) Practise
题目信息: 1014. Waiting in Line (30) 时间限制 400 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Suppose a bank has N windows op...
分类:其他好文   时间:2014-09-25 23:02:28    阅读次数:271
POJ 2456 Aggressive cows(二分搜索最大化最小值)
Aggressive cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 6372   Accepted: 3181 Description Farmer John has built a new long barn, with N (2 His ...
分类:其他好文   时间:2014-09-25 22:37:48    阅读次数:191
PHP __DIR__, __FILE__, __FUNCTION__, __CLASS__, __METHOD__, __LINE__, __NAMESPACE__
PHP has large number of predefined constants. This HOWTO will present the seven most important, most practical and most useful PHP Magic Constants.__F...
分类:Web程序   时间:2014-09-25 21:58:27    阅读次数:200
Special Procurement - 50 的用法
SPT: 50---- Phantom assembly (MRP2 -- > special procurement type) BOM list ( ASM -- the component in this item has its own BOM )这个phantom 的料号 体现在工单里面的...
分类:其他好文   时间:2014-09-25 21:37:18    阅读次数:462
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