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zoj 3805 Machine
MachineTime Limit: 2 Seconds Memory Limit: 65536 KBIn a typical assembly line, machines are connected one by one. The first machine's output product ....
分类:其他好文   时间:2014-08-26 17:16:16    阅读次数:212
ZOJ3805:Machine
In a typical assembly line, machines are connected one by one. The first machine's output product will be the second machine's raw material. To simplify the problem, we put all machines into a two-d...
分类:其他好文   时间:2014-08-26 15:37:36    阅读次数:288
[DS Basics] List
1, LinkedListcomposed of one and one Node: [data][next].[head] ->[data][next] ->[data][next] ->[data][next] -> [null].Empty linkedList: head == null.V...
分类:其他好文   时间:2014-08-21 22:46:14    阅读次数:229
uva 127 - "Accordian" Patience
``Accordian'' PatienceYou are to simulate the playing of games of ``Accordian'' patience, the rules for which are as follows:Deal cards one by one in ...
分类:其他好文   时间:2014-08-10 18:11:40    阅读次数:312
关?于?h?i?b?e?r?n?a?t?e?中?双?向?外?键?关?联?o?n?e?-?t?o?-?o?n?e?的?p?r?o?p?e?r?t?y?-?r?e?f?=?的?问?题(转)
大家都知道hibernate中的one-to-one映射主要有两种策略,(1)一对一主键关联(单向和双向)。(2)一对一外键映射(单项和双向)。本文主要讲解一下,一对一外键映射中的双向问题,在此前先通过一个实例了解。 person和idCard,是一种一对一的关系,其中 t_person表idn.....
分类:其他好文   时间:2014-07-30 20:23:14    阅读次数:261
cigarettes
cigarettes 时间限制:3000 ms  |  内存限制:65535 KB 难度:2 描述 Tom has many cigarettes. We hypothesized that he has n cigarettes and smokes them one by one keeping all the butts. Out of k > 1 butts h...
分类:其他好文   时间:2014-07-29 17:49:12    阅读次数:158
Uva 679 Dropping Balls
Dropping BallsA number of K balls are dropped one by one from the root of a fully binary tree structure FBT. Each time the ball being dropped first v....
分类:其他好文   时间:2014-07-18 12:14:24    阅读次数:202
Hibernate One-to-One Mappings 一对一关系映射
Hibernate One-to-One Mappings 一对一关系映射 关键:一对一关系映射和多对一关系映射很像,只是 column 属性值为 unique 例子:一个员工只能有一个地址。 Hibernate框架的使用步骤: 1、创建Hibernate的配置文件(hibernate.cfg.xml) 2、创建持久化类,即其实例需要保存到数据库中的类...
分类:移动开发   时间:2014-07-08 15:46:47    阅读次数:285
javascript块级作用域
在c/java中,拥有块级作用域的概念,大括号内就是一个块级作用域,在块级作用域内声明的变量,块以外不可见。C语音的块级作用域示例如下:int one = 1,two = 2;if(one < two){ int temp = 0; temp = one; one = two; ...
分类:编程语言   时间:2014-06-11 12:33:38    阅读次数:258
hibernate 1-1(详解)
域模型 关系数据模型: 按照外键映射: 按照主键映射: 基于外键映射的 1-1 对于基于外键的1-1关联,其外键可以存放在任意一边,在需要存放外键一端,增加many-to-one元素。为many-to-one元素增加unique=“true” 属性来表示为1-1关联 另一端需要使用one-to-one元素,该元素使用...
分类:系统相关   时间:2014-06-01 16:20:13    阅读次数:508
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