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MySQL server has gone away
1 问题描述: 客户端与MySQL服务器端的链接断开了 2 问题出现原因: 1> MySQL服务宕了 2> MySQL链接超时 3>MySQL请求链接进程被主动kill : 查询的结果集超过了max_allowed_packet 3 解决方法: 方式一: 当然是增...
分类:数据库   时间:2014-09-11 11:26:42    阅读次数:272
hdu1530 Maximum Clique,最大团 , DP,邻接矩阵
Given a graph G(V, E), a clique is a sub-graph g(v, e), so that for all vertex pairs v1, v2 in v, there exists an edge (v1, v2) in e. Maximum clique is the clique that has maximum number of vertex. ...
分类:其他好文   时间:2014-09-11 08:47:58    阅读次数:260
POJ 3259 虫洞旅行 spfa判负环
WormholesTime Limit:2000MSMemory Limit:65536KTotal Submissions:31425Accepted:11431DescriptionWhile exploring his many farms, Farmer John has discovere...
分类:其他好文   时间:2014-09-10 23:39:21    阅读次数:295
mysql windows 下导入大文件
先进入你的mysql bin目录cd D:/php/mysql/bin输入命令 mysql -u 用户名 -p 密码 数据库名 为导出mysql -u root -p root eee < d:/eee.sql如若出现以下错误MySql server has gone away请修改mysql下的配...
分类:数据库   时间:2014-09-10 19:06:10    阅读次数:207
The associated COM server does not support ActiveX Document embedding
通过dsoframer实现读取excel文件报错:System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Runtime.In...
分类:其他好文   时间:2014-09-10 17:39:00    阅读次数:2118
《RabbitMQ in action》
Producers create messages and publish (send) them to a broker server (RabbitMQ).What’s a message? A message has two parts: a payload and a label. The ...
分类:其他好文   时间:2014-09-10 14:08:00    阅读次数:307
HDOJ 4451 Dressing
Dressing Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2484    Accepted Submission(s): 1076 Problem Description Wangpeng has N cl...
分类:其他好文   时间:2014-09-09 21:33:39    阅读次数:238
多个类定义attr属性重复的问题:Attribute "xxx" has already been defined
如果从单独开发app的话,可能不会遇到多个自定义类的attribute 的名字重复的问题。但是如果是团队合作开发的话,可能会碰到这样的问题,A和B自定义的两个类都用了同一个名字来定义属性,这时系统会报出警告,Attribute "xxx" has already been defined. A和B又都不想修改自己的名字,这时就很头痛。 下面举个例子,在values文件夹下...
分类:其他好文   时间:2014-09-09 20:13:39    阅读次数:179
Android Exception 12(has leaked ServiceConnection)
09-09 15:12:31.154: E/ActivityThread(18855): Activity com..xxx.xx.act.LoadingAct has leaked ServiceConnection com..xxx.xx.act.LoadingAct$2@42086478 th...
分类:移动开发   时间:2014-09-09 17:38:49    阅读次数:266
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