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PB+MS SQL+触发器必须指出
PB+MS SQL+触发器必须指出:若触发器存在两笔以上的返回值,比方两条update语句,被误判为数据有改变。存盘不成功。提示:Row changed between retrieve and update.No changes made to database.所以MS SQL触发器必须统一处理...
分类:数据库   时间:2015-08-14 13:34:15    阅读次数:142
Play Framework - JPA Between 写法
使用Play Framework的JPA 时,可以使用简写的语法实现Between判断查询,此时的参数位置很重要,第一个参数是上界,第二个参数是下界,我觉得有点奇怪。 代码如下: List<Order>?orders?=?Order.find( ????"...
分类:其他好文   时间:2015-08-14 06:33:46    阅读次数:248
HDU - 2874 Connections between cities(LCA)
题目大意:给出N个点,M条线,Q个询问,询问的是两点之间的最短距离解题思路:恶心的数据量,一不小心就超空间了 这题给图不是张连通图,是森林,所以计算两点之间的最短距离时还要考虑一下是否在同一棵树中剩下的就是裸LCA了#include #include #define N 10010 #define M 20010 #define C 2000010struct...
分类:其他好文   时间:2015-08-14 06:30:59    阅读次数:103
hdu5387 Clock
Problem Description Give a time.(hh:mm:ss),you should answer the angle between any two of the minute.hour.second hand Notice that the answer must be not more 180 and not less than 0   Inpu...
分类:其他好文   时间:2015-08-13 23:46:29    阅读次数:196
数据库操作符
in操作符,在可选范围内查找数据:1 USE test;2 -- 可以选取指定值,在...中3 SELECT * FROM city WHERE `Name` in ('Kabul','Herat')BETWEEN操作符:1 USE test;2 SELECT * FROM city WHERE I...
分类:数据库   时间:2015-08-13 21:44:37    阅读次数:165
WebService和Webapi的区别
下面的句子 是直接百度翻译出来的,对于英文好的朋友可点击下面网址 http://www.dotnet-tricks.com/Tutorial/webapi/JI2X050413-Difference-between-WCF-and-Web-API-and-WCF-REST-and-Web-Service.html WebServ...
分类:Windows程序   时间:2015-08-13 16:02:58    阅读次数:132
hdu 3416 Marriage Match IV (最短路+最大流)
hdu 3416 Marriage Match IVDescription Do not sincere non-interference。 Like that show, now starvae also take part in a show, but it take place between city A and B. Starvae is in city A and girls are...
分类:其他好文   时间:2015-08-13 12:20:52    阅读次数:118
Using newInstance() to Instantiate a Fragment(转)
I recently came across an interesting question on StackOverflow regarding Fragment instantiation:What is the difference between new MyFragment() and M...
分类:Windows程序   时间:2015-08-11 23:22:44    阅读次数:226
伊利诺伊大学香槟分校 Data Visualization 课程 笔记1
1. 定义 Data visualization is a high bandwidth connection between data on a computer system and a human brain, facilitated by visual communication.2. 特....
分类:其他好文   时间:2015-08-11 23:15:07    阅读次数:202
Link Aggregation
Part 1: IntroductionLink Aggregation: the ability to create one logical link using multiple physical links between two devices.EhterChannel is a form ...
分类:其他好文   时间:2015-08-11 18:18:16    阅读次数:209
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