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....
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其他好文 时间:
2015-08-15 16:41:17
阅读次数:
186
Problem Description: You, the head of Department of Security, recently received a top-secret information that a group of terrorists is planning to tr....
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其他好文 时间:
2015-08-13 19:42:15
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142
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...
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Web程序 时间:
2015-08-13 15:47:01
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168
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....
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其他好文 时间:
2015-08-11 23:06:23
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212
Arctic NetworkTime Limit:2000MSMemory Limit:65536KTotal Submissions:13108Accepted:4256DescriptionThe Department of National Defence (DND) wishes to co...
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Web程序 时间:
2015-08-06 23:50:30
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445
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...
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数据库 时间:
2015-08-05 01:10:15
阅读次数:
163
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...
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Web程序 时间:
2015-08-04 21:01:44
阅读次数:
185
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@...
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移动开发 时间:
2015-08-02 06:22:59
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171
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...
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Web程序 时间:
2015-07-30 20:47:29
阅读次数:
96
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...
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编程语言 时间:
2015-07-29 10:21:41
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149