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JPA学习笔记(9)——映射双向一对一关联关系
双向一对一关联关系一个部门有一个经理,一个经理管一个部门Department实体类package com.jpa.helloworld2;import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence....
分类:其他好文   时间:2015-08-15 16:41:17    阅读次数:186
HDU 4289 Control(最大流,最小割)
Problem Description: You, the head of Department of Security, recently received a top-secret information that a group of terrorists is planning to tr....
分类:其他好文   时间:2015-08-13 19:42:15    阅读次数:142
poj2349:Arctic Network(最小生成树)
总时间限制: 2000ms 内存限制: 65536kB 描述The Department of National Defence (DND) wishes to connect several northern outposts by a wireless network. Two different communication technologies are to be used i...
分类:Web程序   时间:2015-08-13 15:47:01    阅读次数:168
HDU1171-Big Event in HDU
描述: Nowadays, we all know that Computer College is the biggest department in HDU. But, maybe you don't know that Computer College had ever been split....
分类:其他好文   时间:2015-08-11 23:06:23    阅读次数:212
POJ 2349 Arctic Network (最小生成树第K大(小)边)
Arctic NetworkTime Limit:2000MSMemory Limit:65536KTotal Submissions:13108Accepted:4256DescriptionThe Department of National Defence (DND) wishes to co...
分类:Web程序   时间:2015-08-06 23:50:30    阅读次数:445
leetcode数据库sql之Department Top Three Salaries
leetcode原文引用: How would you print just the 10th line of a file? For example, assume that file.txt has the following content: Line 1 Line 2 Line 3 Line 4 Line 5 Line 6 Line 7 Line 8 Line 9 Lin...
分类:数据库   时间:2015-08-05 01:10:15    阅读次数:163
Hibernate单向关联N-1
无连接表的N-1关联多个Employee关联一个Department。Employee实体(N端):package com.ydoing.hibernate2; import javax.persistence.CascadeType; import javax.persistence.Column; import javax.persistence.Entity; import javax.per...
分类:Web程序   时间:2015-08-04 21:01:44    阅读次数:185
ios coredata的用法和利弊
第一部分coredata的用法先建立一个使用use coredata的工程,在。xcdatamodeld文件中建立表格并为表格添加属性为表格添加关系,下一步生成表格model其中生成的model:User和Department里面的属性用的是@dynamic@property有两个对应的词,一个是@...
分类:移动开发   时间:2015-08-02 06:22:59    阅读次数:171
Hibernate_12_HQL句子
使用HQL查询功能:(1)与SQL相似,SQL用。(2)SQL查询的是表和表中的列。HQL查询的是对象与对象中的属(3)HQL的keyword不区分大写和小写,类名与属性名是区分大写和小写(4)SELECT能够省略.Employee类、Department类、SessionFactoryTools类...
分类:Web程序   时间:2015-07-30 20:47:29    阅读次数:96
C# 语言中 struct 的陷阱
假设我们要为某大学写一个工资管理程序。首先是表示员工的 Employee 类(Employee.cs): 01: namespace Skyiv.Ben 02: { 03: class Employee 04: { 05: public string Department { get; private set; } 06: public string Name...
分类:编程语言   时间:2015-07-29 10:21:41    阅读次数:149
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