question: How to determint  wether two column equals? Answer: Table one:RecordId = 1,CommonId = 5,Approved = 1. RecordId = 2,CommonId = 5 Approved = 0. Table two:RecordId = 4,CommonId = 9,Approved = 1. case one:if you are compare  in the one table. y…

package com.easyrail.base.dao; import java.io.Serializable; import java.lang.reflect.Field; import java.lang.reflect.ParameterizedType; import java.sql.Types; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import org.spr…

PS:最近简单的学了学后台Servlet+JSP.也就只能学到这里了.没那么多精力去学SSH了,毕竟Android还有很多东西都没学完.. 学习内容: 1.如何使用反射+泛型构建通用DAO. 1.使用泛型+反射构建通用DAO.  DAO的概念曾经写过.其实就是数据访问对象,Date Access Object.其实就是数据库中的数据和Java对象里的一种关联关系的一系列操作.由于以前写过这个概念.就不啰嗦了..简单说一说思想.  比如说:有两张表 User表和Shop表.  这是User表中需要…

查找员工编号为7369的领导: 1 SELECT LEVEL,E.* FROM EMP E CONNECT BY PRIOR E.MGR = E.EMPNO START WITH E.EMPNO = 78762 ORDER BY LEVEL DESC "start with" -- this identifies all LEVEL=1 nodes in the tree "connect by" -- describes how to walk from the…

JdbcBaseDao JdbcBaseDao接口,内容如下: package com.sun4j.core.jdbc.dao; import java.io.Serializable; import java.util.List; import java.util.Map; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.support.rowset.SqlRowSet; pu…

转载自:http://www.tuicool.com/articles/jM77Vf     自定义UICollectionViewLayout并添加UIDynamic UICollectionView是iOS6引入的控件,而 UIDynamicAnimator是iOS7上新添加的框架.本文主要涵盖3部分: 一是简单概括UICollectionView的使用:二是自定义一个UICollectionViewLayout来实现不同的Collection布局: 三是在自定义UICollectionVi…

无聊之作,可以提意见,但别嘲笑啊 package bean; import java.sql.Date; import annotationK.annotation.Column; import annotationK.annotation.Comment; import annotationK.annotation.Entity; import annotationK.annotation.GeneratedValue; import annotationK.annotation.Genera…

D. Multiplication Table time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Bizon the Champion isn't just charming, he also is very smart. While some of us were learning the multiplication tabl…

转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud A. SwapSort time limit per test    1 second memory limit per test      256 megabytes input      standard input output      standard output In this problem your goal is to sort an array consis…

Problem A: A. Rewards time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Bizon the Champion is called the Champion for a reason. Bizon the Champion has recently got a present - a new glass cup…