--显示所有用户表:--1SELECT SCHEMA_NAME(schema_id) As
SchemaName , name As TableName from sys.tables ORDER BY name--2。alternate:SELECT
sch.name As Schem...
分类:
数据库 时间:
2014-05-20 01:49:29
阅读次数:
735
If we define Servlet filters in web.xml, then
the order of execution of the filters will be the same as the order in which
they are defined in the web...
分类:
其他好文 时间:
2014-05-19 23:07:40
阅读次数:
352
代码SELECT A.*FROM( SELECT ROW_NUMBER()
OVER(PARTITION BY Host ORDER BY Host,count(EntranceURL) DESC) AS ROW, Host,
EntranceURL as PageURL ...
分类:
数据库 时间:
2014-05-19 09:12:59
阅读次数:
338
1 select *, rand() as random FROM yef_exercises
where id not in(1) order by random limit 1 // Mysql
分类:
数据库 时间:
2014-05-17 18:58:42
阅读次数:
370
ServerAdmin www.test2.com DocumentRoot
"D:/PHP/Apache/htdocs/testSite2" Options Indexes FollowSymLinks AllowOverride
None Order allow,deny ...
原题:
题目解析:这个问题的实质是要我们按成访问二叉树的结点,并返回每层访问的结果,这里要求走Z字,其实就是一行正向一行反向。
/*
the kernel idea is visit a binary search tree in level and
the additional work we have to label the end of one level.
*/
v...
分类:
其他好文 时间:
2014-05-15 23:18:46
阅读次数:
515
Row_number配合over(partition by xx order by xx) 与
Group by 的区别, = order + group?SqlBulkCopyGuidance Automation Toolkit 2010
Reference
分类:
其他好文 时间:
2014-05-15 20:39:55
阅读次数:
249
题意:给定一棵二叉树,返回按层遍历的结果
思路1:bfs,定义一个新的struct,记录指针向节点的指针和每个节点所在的层
复杂度1:时间O(n),空间O(n)
思路2:dfs
递归函数:
void levelOrder(TreeNode *root, int level, vector<vector >&result)
表示把根为root的树按层存放在result中,其中level表示当前的层数
复杂度2:时间O(n),空间O(n)
相关题目:...
分类:
其他好文 时间:
2014-05-15 14:46:06
阅读次数:
355
【题目】
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list.
Input: (2 -> 4 -> 3) + (5 -> 6 -> 4)
Out...
分类:
其他好文 时间:
2014-05-15 05:13:49
阅读次数:
306
1.相关数据表
Score表
[User]表
SQL语句如下:
--查询出各科成绩最好的学生信息
--自连接
--SELECT TOP 1 * FROM Score B WHERE B.ScoreName = '数学' ORDER BY B.Score DESC
SELECT A.ID,U.Name,A.ScoreName,A.Score
FROM Score A,[Use...
分类:
数据库 时间:
2014-05-15 05:02:05
阅读次数:
477