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POJ 2007 Scrambled Polygon 凸包
Scrambled PolygonTime Limit:1000MSMemory Limit:30000KTotal Submissions:7214Accepted:3445DescriptionA closed polygon is a figure bounded by a finite nu...
分类:其他好文   时间:2015-04-16 17:15:08    阅读次数:125
weblogic Cause: org.hibernate.exception.GenericJDBCException: Connection closed
现场的weblogic报错,导致数据无法下发,报错信息如下:     ### Error opening session.  Cause: org.hibernate.exception.GenericJDBCException: Connection closed     ### Cause: org.hibernate.exception.GenericJDBCException: Con...
分类:数据库   时间:2015-04-14 21:31:21    阅读次数:155
UVA 1412 - Fund Management(用vector容器模拟状态的状压dp)
Frank is a portfolio manager of a closed-end fund for Advanced Commercial Markets (ACM ). Fund collects money (cash) from individual investors for a certain period of time and invests cash into variou...
分类:其他好文   时间:2015-04-13 23:05:36    阅读次数:363
BeanFactory not initialized or already closed - call 'refresh' before accessing beans解决办法
今天在写Spring程序时遇到了一个很常见的错误,而我以前好像一直没碰到过,今天才见到这个错误,经过研究解决了这个错误,犯这个错误真是不应该啊。log4j:WARN No appenders could be found for logger (org.springframework.core.en...
分类:数据库   时间:2015-04-10 01:19:51    阅读次数:264
poj1201——差分约束,spfa
poj1201——差分约束,spfaIntervalsTime Limit:2000MSMemory Limit:65536KTotal Submissions:22553Accepted:8530DescriptionYou are given n closed, integer interval...
分类:其他好文   时间:2015-04-09 23:40:13    阅读次数:181
面向对象设计的SOLID原则
S.O.L.I.D是面向对象设计和编程(OOD&OOP)中几个重要编码原则(Programming Priciple)的首字母缩写。SRPThe Single Responsibility Principle单一责任原则OCPThe Open Closed Principle开放封闭原则LSPThe...
分类:其他好文   时间:2015-04-07 23:15:39    阅读次数:250
C#泛型-小心使用静态成员变量
对于泛型类的声明 其中使用类型参数的构造类型,比如List被称为开放构造类型(open constructed type)而不使用类型参数的构造类型,例如List被称为封闭构造类型(closed constructed type)。 特别要强调的是不同类型参数的封闭构造类型之间是不共享静态成员变量的...
分类:Windows程序   时间:2015-04-06 00:43:52    阅读次数:180
PHP Curl transfer closed with outstanding read data remaining
php transfer closed with outstanding read data remainingphp curl CURLOPT_HTTPHEADERphp curl 报错 transfer closed with outstanding read data remaininghtt...
分类:Web程序   时间:2015-04-04 22:23:15    阅读次数:671
启动监听报错:TNS-12537: TNS:connection closed TNS-12560: TNS:protocol adapter error TNS-00507: Connection closed Linux Error: 29: Illegal seek
启动监听程序报错:说明:在rhel5.8上安装完成oracle11g数据库后,使用netca创建完监听,启动监听时报错。还未使用dbca创建实例。[oracle@rusky-oracle11g ~]$ lsnrctl startLSNRCTL for Linux: Version 11.2.0.1....
分类:系统相关   时间:2015-04-03 01:24:56    阅读次数:328
java.lang.IllegalStateException: attempt to re-open an already-closed object
Android开发中,正确的管理你的SQliteDatabase,如果你有好的解决方法,可以留言,一起交流...
分类:编程语言   时间:2015-04-01 21:55:48    阅读次数:241
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