com.mysql.jdbc.CommunicationsException: The last packet successfully received from the server was58129 seconds ago.The last packet sent successfully t...
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其他好文 时间:
2015-01-11 09:33:47
阅读次数:
268
Password Search
Being able to send encoded messages during World War II was very important to the Allies. The messages were always sent after being encoded with a known password. Having a fixed p...
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其他好文 时间:
2015-01-09 14:17:25
阅读次数:
119
mysql version: 5.5.40 mysql community server不论是从图形界面软件还是java通过jdbc连接,始终提示出错:The last packet sent successfully to the server was 0 milliseconds ago. Th...
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数据库 时间:
2015-01-07 22:02:10
阅读次数:
438
问题描述:已声明@RequestMapping(value="update", method = RequestMethod.POST) @ResponseBody public Map updateNavi(@RequestBody Navigation model)启动日志有:Mapped "{...
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编程语言 时间:
2015-01-07 16:45:29
阅读次数:
862
最近在使用iOS的可变数组时出现了一个错误,报错信息为:reason: '-[__NSCFArray removeObjectAtIndex:]: mutating method sent to immutable object'字面的意思就是可变数组的方法发送给了一个不可变的对象。声明和初始化的代...
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编程语言 时间:
2015-01-05 18:33:18
阅读次数:
188
今天干活的时候,遇到了这样一个问题..
实在是太粗心了。mark下,
2014-01-05 11:44:34.762 softwareApp[1435:c07] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '*** -[JKDictionary...
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移动开发 时间:
2015-01-05 09:34:26
阅读次数:
148
1.什么是行子查询:selectt1.*,(selectvnfromt2wheret2.c.1=t1.c3limit1)wheret1.cn=‘xxx‘....类似每行通过一个子查询来查询获的结果,都是行子查询。2.案例:MySQL版本:MySQL-5.6.16-log原sql:#Query_time:20.769287Lock_time:0.000152Rows_sent:10Rows_examined:11665408
S..
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数据库 时间:
2015-01-01 06:49:54
阅读次数:
372
If you want your code to work on iOS 7 as well as iOS 8 you should use one of the rangeOfString calls instead. Basically if the range returned has a length of zero, the substring is not there.
/* The...
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其他好文 时间:
2014-12-30 19:07:04
阅读次数:
293
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.今天操作数据库较大数据库访问量的时候出现问题...
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数据库 时间:
2014-12-28 12:55:27
阅读次数:
2220
前几天遇到过这个问题(Ref:http://www.cnblogs.com/xiandedanteng/p/4168609.html),问题在页面的组件name和和注解的@param名匹配不对,这个好解决,一一对好就行了。但是,这回情况不一样了,我的页面控件是类似这样的: A ...
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其他好文 时间:
2014-12-28 01:42:14
阅读次数:
120