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SSH之Hibernate的Dao层和Service层
1、Dao层接口package com.life.dao;import java.util.List;import java.util.Map;import org.hibernate.Query;public interface IDao { /** * 根据id查找实体 *...
分类:系统相关   时间:2014-08-06 01:48:20    阅读次数:350
Hibernate的增删查改
删除:1、org.springframework.dao.DataIntegrityViolationException: Cannot delete or update a parent row: a foreign key constraint fails (`life`.`tb_ad`, CO...
分类:系统相关   时间:2014-08-05 22:00:30    阅读次数:288
poj 2492A Bug's Life(并查集)
1 /* 2 目大意:输入一个数t,表示测试组数。然后每组第一行两个数字n,m,n表示有n只昆虫,编号从1—n,m表示下面要输入m行交配情况,每行两个整数,表示这两个编号的昆虫为异性,要交配。 3 要求统计交配过程中是否出现冲突,即是否有两个同性的昆虫发生交配。 4 5 思路:并查集 6 ...
分类:其他好文   时间:2014-08-05 13:59:39    阅读次数:175
【POJ】2492 A bug's life ——种类并查集
A Bug's LifeTime Limit:10000MSMemory Limit:65536KTotal Submissions:28211Accepted:9177DescriptionBackgroundProfessor Hopper is researching the sexual b...
分类:其他好文   时间:2014-08-05 03:04:08    阅读次数:242
POJ - 1006 Biorhythms (中国剩余定理)
Description Some people believe that there are three cycles in a person's life that start the day he or she is born. These three cycles are the physical, emotional, and intellectual cycles, and they...
分类:其他好文   时间:2014-08-04 21:33:38    阅读次数:278
Festoon bulb XPE LED
Description: The design uses CREE XPE LAMPS high brightness, very good reliability, life expectancy of 25,000 hours. Character:
分类:其他好文   时间:2014-08-04 14:02:47    阅读次数:178
POJ 2492 A Bug's Life
POJ 2492 A Bug's Life 并查集...
分类:其他好文   时间:2014-08-02 23:33:14    阅读次数:329
hdu 1829 A Bug's Life(判断二分图)
A Bug's Life Time Limit: 15000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 8528    Accepted Submission(s): 2745 Problem Description Background...
分类:其他好文   时间:2014-07-31 20:48:27    阅读次数:255
POJ2492 A Bug's Life (并查集)
本文出自:http://blog.csdn.net/svitter 题意: 给出昆虫编号,看昆虫能否交配,如果出现同性交配或者自我交配的情况,则出现BUG。 输入输出分析: 1.输入输出数据: input: 2 3 3 1 2 2 3 1 3 4 2 1 2 3 4 output: Scenario #1: Suspicious bugs found! Sce...
分类:其他好文   时间:2014-07-30 12:23:43    阅读次数:231
HDU - 2604 Queuing (矩阵快速幂)
Description Queues and Priority Queues are data structures which are known to most computer scientists. The Queue occurs often in our daily life. There are many people lined up at the lunch time. ...
分类:其他好文   时间:2014-07-29 14:47:38    阅读次数:268
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