格式如下: Order allow,deny Allow from all Allow from 127.0.0.1 Deny from 110.0.0.1解释:这段文档是对上文的d:/...目录的权限管理Order allow,deny是先允许所有ip访问,然后再拒绝,指定一种规则,先看a...
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Web程序 时间:
2014-12-08 15:31:28
阅读次数:
165
Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
The brackets must close in the correct order, "()" and "()[]{}" are all vali...
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其他好文 时间:
2014-12-08 14:03:01
阅读次数:
146
1. 查看表空间大小:
SELECT tablespace_name, SUM(bytes)/1024/1024
total FROM DBA_FREE_SPACE GROUP BY tablespace_name ORDER BY 2 DESC;
SQL> SELECT tablespace_name, SUM(bytes)/1024/1024 || 'MB' total FRO...
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数据库 时间:
2014-12-08 10:49:28
阅读次数:
276
【题目】
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level).
For example:
Given binary tree {3,9,20,#,#,15,7},
3
/ ...
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其他好文 时间:
2014-12-08 10:44:51
阅读次数:
161
本篇文章主要是对MySQL索引操作方法做了一下总结,包括创建索引、重建索引、查询索引、删除索引的操作。以下所列示例中中 `table_name` 表示数据表名,`index_name` 表示索引名,column list 表示字段列表(如:`id`,`order_id`)。1、创建索引索引的创建可以...
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数据库 时间:
2014-12-08 10:41:51
阅读次数:
156
Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order.
You may assume no duplicates in the array....
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其他好文 时间:
2014-12-08 00:54:38
阅读次数:
172
oracle按照in的顺序进行排序select * from table_name where id in (1,3,7)order by case id when 1 then 1 when 3 then 2 when...
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数据库 时间:
2014-12-07 22:58:32
阅读次数:
482
1、概述2、原始表3、简单Group By4、Group By 和 Order By5、Group By中Select指定的字段限制6、Group By All7、Group By与聚合函数8、Having与Where的区别9、Compute 和 Compute By1、概述“Group By”从字...
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数据库 时间:
2014-12-07 21:37:16
阅读次数:
242
Given an array withnobjects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, wh...
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其他好文 时间:
2014-12-07 16:27:51
阅读次数:
119
***针对oracle1,方法一,select * from (select * from t_base_menu order by dbms_random.value) where rownum<=52,方法二****
分类:
数据库 时间:
2014-12-07 12:33:19
阅读次数:
152