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flex学习之路--问题手册:java序列化问题
Caused by : Could not instantiate bean class [] : Constructor threw exception; nested exception is java.lang.NoClassDefFoundError:flexjson/JSONSerializer Caused by : java.lang.NoClassDefFoundError:flexjson/JSONSerializer...
分类:编程语言   时间:2015-04-03 11:28:14    阅读次数:176
Replace Nested Conditional with Guard Clauses
【Replace Nested Conditional with Guard Clauses】
分类:其他好文   时间:2015-04-02 13:15:07    阅读次数:99
【原创】Mapped Statements collection does not contain value for DaoImpl.method
问题:org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: ### Error updating database. Cau....
分类:移动开发   时间:2015-04-01 23:36:00    阅读次数:255
nested exception is com.mysql.jdbc.PacketTooBigException: Packet for query is too large (1044 > 1024
HTTP Status 500 -type Exception reportmessagedescription The server encountered an internal error () that prevented it from fulfilling this request.ex...
分类:数据库   时间:2015-03-31 19:52:01    阅读次数:321
一个奇怪的异常,SSH使用注解方式
异常信息如下 Exception?in?thread?"main"?org.springframework.orm.hibernate3.HibernateSystemException:?Unknown?entity:?cn.pb.jbit.tcjc034.entity.Director;?nested?exception?is?org.hibernate...
分类:其他好文   时间:2015-03-31 13:08:55    阅读次数:170
基于左右值无限分类数据库操作
mysql>?SELECT?node.name FROM?nested_category?AS?node, ????????nested_category?AS?parent WHERE?node.lft?BETWEEN?parent.lft?AND?parent.rgt ????????AND?parent.name?=?‘EL...
分类:数据库   时间:2015-03-30 19:15:59    阅读次数:230
oracle多表连接方式Hash Join Nested Loop Join Merge Join
在查看sql执行计划时,我们会发现表的连接方式有多种,本文对表的连接方式进行介绍以便更好看懂执行计划和理解sql执行原理。一、连接方式: 嵌套循环(NestedLoops (NL)) (散列)哈希连接(Hash Join (HJ)) (归并)排序合并连接(Sort Merge Join (SM...
分类:数据库   时间:2015-03-30 16:11:36    阅读次数:146
codeforces 339C Xenia and Weights(dp或暴搜)
转载请注明出处:http://www.cnblogs.com/fraud/ ——by fraudXenia and WeightsXenia has a set of weights and pan scales. Each weight has an integer weight from 1 t...
分类:其他好文   时间:2015-03-30 06:42:40    阅读次数:186
poj 3636 Nested Dolls 动态更新表的二分查找
题意: 给n个玩具,每个有属性w,h。如果w1 分析: w升序,w相同时h降序排序后是可以贪心的,这里使用了动态维护表的二分算法,表里动态维护了每堆玩具中h的最大值(所以w相同时h要降序)。这题我一开始一看是个拓扑图还想着用什么图算法。。没想到直接可以贪心,不可以有思维定式啊~~ 代码: //poj 3636 //sep9 #include #include using namesp...
分类:其他好文   时间:2015-03-21 14:05:35    阅读次数:103
object-c 获得目录(包括子目录)下所有文件
vector getAllFileNamesInDirectory(){ //ref to: http://stackoverflow.com/questions/5749488/iterating-through-files-in-a-folder-with-nested-folders-coc....
分类:其他好文   时间:2015-03-19 18:16:23    阅读次数:212
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