When managing a VM Guest on the VM Host Server itself, it is possible to access the complete file system of the VM Host Server in order to attach or c...
分类:
其他好文 时间:
2014-07-22 22:57:53
阅读次数:
347
Top条数Select * FROM Table Where ROWNUM<=2 order by AgeUnitNo descROWNUM<=2 代表查询两条数据。Date日期to_date() 代表转换位Oracle能够识别的Update talbe set A1 = to_date('" + ...
分类:
数据库 时间:
2014-07-22 22:55:16
阅读次数:
246
Hello everybody,One day I had problems with GUI svn client and a big headache how to commit my changes. I have found how to do that using Terminal and...
分类:
其他好文 时间:
2014-07-19 21:30:39
阅读次数:
197
在sql中不指定Order by,排序是按照主键吗?答案是不一定。举个例子: 查询AttendanceEmpRank表,主键是AttendanceEmployeeRankId,而且是聚集索引 执行下面的语句,发现第一句不指定Order by的结果跟第二句不一样。 再看看执行计划,我们可以知道,第一句...
分类:
数据库 时间:
2014-07-16 19:03:15
阅读次数:
224
Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue.
Here, we will use the integers ...
分类:
其他好文 时间:
2014-07-16 17:18:44
阅读次数:
207
题目如下:
How Big Is It?
Ian's going to California, and he has to pack his things, including hiscollection of circles. Given a set of circles, your program mustfind the smallest r...
分类:
其他好文 时间:
2014-07-16 17:17:02
阅读次数:
259
通用方法: select top 500 * from (select top 1000 * from UserSearchDatas order by ID) a order by ID desc
分类:
数据库 时间:
2014-07-16 16:56:44
阅读次数:
199
host/customer/delete/1host/customer/get/keyword-祖国host/customer/get/1.xmlhost/customer/get/1.jsonhost/order/posthost/order/post/get/500.jsonrest:repre...
Size of Data TypesAlways use sizeof() to get the size of types(sizeof(char), sizeof(short), sizeof(int)...)Do not depend on the order of evaluation in...
分类:
其他好文 时间:
2014-07-16 15:51:58
阅读次数:
191
用Collections.sort方法对list排序有两种方法 第一种是list中的对象实现Comparable接口,如下: /*** 根据order对User排序*/public class User implements Comparable { private String name; ...
分类:
其他好文 时间:
2014-07-16 00:31:02
阅读次数:
401