/*判断表AA中是否存在AA_ID这一列,如果不存在,则新增*/
IF NOT EXISTS (SELECT 1 FROM syscolumns INNER JOIN sysobjects ON sysobjects.id = syscolumns.id
WHERE syscolumns.name = 'AA_ID' AND sysobjects.name = 'AA')
ALTER TA...
分类:
数据库 时间:
2014-05-07 07:33:47
阅读次数:
373
In this problem you will perform median filtering to enhance the quality of a noise corrupted
image. Recall from the video lecture that median filtering is effective for removing "salt-and-pepper" n...
分类:
其他好文 时间:
2014-05-07 07:20:09
阅读次数:
326
In file included from mod_shib_20.cpp:68:
mod_shib.cpp:118: warning: deprecated conversion from string constant to 'char*'
mod_shib.cpp: In member function 'virtual const char* ShibTargetApache::get...
分类:
其他好文 时间:
2014-05-07 06:04:50
阅读次数:
363
travel the binary tree by level 5 ( from down to top and from left to right every level )
个人信息:就读于燕大本科软件工程专业 目前大三;
本人博客:google搜索“cqs_2012”即可;
个人爱好:酷爱数据结构和算法,希望将来从事算法工作为人民作出自己的贡献;
博客内容:tr...
分类:
其他好文 时间:
2014-05-07 05:40:19
阅读次数:
401
SQL SERVER命令总结
查询语句:
SELECT [ALL/DISTINCT][TOP]
[as 别名][, as 别名]…
FROM [as 别名]…
[WHERE 条件表达式…]
[GROUP BY [HAVING]]
[ORDER BY[ASC/DESC]]
应该注意:SELECT语句的顺序:
SELECT-->FROM-->WHERE-->GROUP B...
分类:
数据库 时间:
2014-05-07 04:32:52
阅读次数:
561
一 线性表
1.1 数组
1.1.1 Remove Duplicates from Sorted Array
1.1.2 Remove Duplicates from Sorted Array II
1.1.3 Search in Rotated Sorted Array
1.1.4 Search in Rotated Sorted Array II
1.1.5 Median of...
分类:
其他好文 时间:
2014-05-07 04:24:26
阅读次数:
363
Popular Rice Recipe
Did you know that there are over 40,000 varieties of Rice in the world ? There are so many dishes that can be prepared with Rice too. A famous chef from Mumbai, Tid Gusto prep...
分类:
其他好文 时间:
2014-05-07 04:05:46
阅读次数:
428
If you want to determine the uncompressed size
of a gzip file from within a program, you can extract to original file size from
the gzip file. This si...
分类:
编程语言 时间:
2014-05-06 18:25:15
阅读次数:
551
SQL调优 1,避免全表扫描 2,防止索引失效 3,用 exists 代替 in
4,不要使用SELECT* FROM table_name,用具体的字段列表代替“*”,不要返回用不到的任何字段。
分类:
数据库 时间:
2014-05-06 18:00:38
阅读次数:
530
如果有下面的一个笔试题:
已知我们有如下的调用关系
logIt(”log message 1 “);
logIt(”log message2”,"log message3”);
logIt(”log message4”,"log message5”,"log message6");
请问下面的答案中哪个是正确的
A. public void logIt(String * ms...
分类:
编程语言 时间:
2014-05-06 15:34:03
阅读次数:
290