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loader constraint violation错误
HTTP Status 500 - java.lang.LinkageError: loader constraint violation: when resolving method “org.apache.jasper.runtime.InstanceManagerFactory.getInstanceManager(Ljavax/servlet/ServletConfig;)Lorg/apac...
分类:其他好文   时间:2015-06-18 19:53:07    阅读次数:245
查询表与之相关联的子表
--查询select a.* from user_constraints a where a.CONSTRAINT_TYPE = 'R' and a.R_CONSTRAINT_NAME in (select b.CONSTRAINT_NAME from user_...
分类:其他好文   时间:2015-06-18 13:17:17    阅读次数:108
poj 1270 Following Orders 枚举排列
题意: 给一个字符集和一些字符之间的小于关系,求字符集上的所有可能排列。 分析: 暴力枚举可以分为枚举子集,枚举排列,枚举组合,这题是个简单的枚举排列,枚举过程中用小于关系剪枝即可。 代码: //poj 1270 //sep9 #include #include using namespace std; char vars[64],constraint[256],ans[64]; i...
分类:Windows程序   时间:2015-06-16 21:14:47    阅读次数:149
Oracle 查询表结构
--查询字段名称,字段类型,字段注释SELECT DD.*, EE.CONSTRAINT_TYPE FROM (SELECT T.COLUMN_ID, T.COLUMN_NAME, (CASE WHEN (T....
分类:数据库   时间:2015-06-15 16:05:18    阅读次数:177
Leetcode[198]-House Robber
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each of them is that adjacent houses...
分类:其他好文   时间:2015-06-14 12:32:38    阅读次数:118
oracle优雅for 循环插入 in loop insert
create table computers ( comNo number(4) constraint PK_comp primary key, compModel varchar2(64) constraint unique_comp unique, buyTime date, price number(12,2) constraint ch_price check( price>0...
分类:数据库   时间:2015-06-14 11:01:01    阅读次数:352
LeetCode192:House Robber
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each of them is that adjacent house...
分类:其他好文   时间:2015-06-13 09:49:50    阅读次数:98
VS 2012 No exports were found that match the constraint 解决办法
删除C:\Users\你的用户名\AppData\Local\Microsoft\VisualStudio\11.0这里面的全部文件本文固定链接:http://litianchang.cn/vs-2012-no-exports-were-found-that-match-the-constraint...
分类:其他好文   时间:2015-06-10 21:03:30    阅读次数:113
Mysql 外键
1,为已添加好数据的表加外键 语法: alter?table?Sell?add?constraint?FK_ID?foreign?key(Ware_Id)?REFERENCES?Ware(Ware_Id); 2,删除外键 语法: ALTER?TABLE?Sell?DROP?FOREIGN?KEY?Ware_Id;...
分类:数据库   时间:2015-06-08 20:02:26    阅读次数:136
Java for LeetCode 198 House Robber
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping yo...
分类:编程语言   时间:2015-06-07 10:54:26    阅读次数:227
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