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SQL基础 利用SELECT检索数据
SELECT [DISTINCT|ALL]SELECT_LISTFROM TABLE_LIST[WHERE+CLAUSE][GROUP_BY_CLAUSE][HAVING CONDITION][ORDER_BY_CLAUSE]使用别名代替数据库中的字段名(AS可去除用空格,但不利于阅读)SELECT...
分类:数据库   时间:2014-09-05 23:33:42    阅读次数:261
Leetcode bfs&dfs Binary Tree Postorder Traversal II
Binary Tree Level Order Traversal II  Total Accepted: 16983 Total Submissions: 54229My Submissions Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie...
分类:其他好文   时间:2014-09-05 18:22:41    阅读次数:212
Leetcode bfs&dfs Binary Tree Postorder Traversal
Binary Tree Level Order Traversal  Total Accepted: 20571 Total Submissions: 66679My Submissions Given a binary tree, return the level order traversal of its nodes' values. (ie, from left t...
分类:其他好文   时间:2014-09-05 18:22:21    阅读次数:271
Leetcode--Convert Sorted List to Binary Search Tree
Problem Description: Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 分析:很容易想到的一种解法是将链表中所有的元素保存到数组中,然后每次取中间值进行构造,时间复杂度为O(n),空间复杂度为O(n)。具体...
分类:其他好文   时间:2014-09-05 18:14:11    阅读次数:223
限制USB延迟启动
阻止用户从未经授权的位置安装设备驱动程序。 组策略 。。。too long too see directly.what determins when a drivers i s load.specifying driver laod order./ load order group for file...
分类:其他好文   时间:2014-09-05 14:09:41    阅读次数:222
Median(vector+二分)
MedianTime Limit: 5 Seconds Memory Limit: 65536 KBThe median of m numbers is after sorting them in order, the middle one number of them if m is even o...
分类:其他好文   时间:2014-09-04 16:49:29    阅读次数:190
不知道这是phpcms系统的错误还是php的错误,还是我自身的错误
<?php defined(‘IN_PHPCMS‘) or exit(‘No permission resources.‘); pc_base::load_app_func(‘global‘); class index{ private $db; private $content_db; private $order_db; public function __constr...
分类:Web程序   时间:2014-09-04 15:11:19    阅读次数:204
Oracle数据库锁表的查询方法以及解锁的方法
1,锁表语句简单查询方法 select t2.username,t2.sid,t2.serial#,t2.logon_time from v$locked_object t1,v$session t2 where t1.session_id=t2.sid order by t2.logon_time...
分类:数据库   时间:2014-09-03 22:33:27    阅读次数:437
苹果开发API常用英语名词
苹果API常用英语名词0. indicating 决定1.in order to 以便2.rectangle bounds 矩形尺寸3.applied 应用4.entirety 全部5.technique 方法6.truncating 截短7.wrapping 换行8.string 字符串9.fam...
分类:移动开发   时间:2014-09-03 22:28:57    阅读次数:305
SqlServer 使用 row_number分页
select?*?from?(select?row_number()over(order?by?Server_no?desc)?as?rownum,Server_no,Game_Name,Server_name?from?T_GameServer_List?where?IS_DELETE?=?‘N‘?and?Game_name?like?‘%q%‘)a...
分类:数据库   时间:2014-09-03 21:23:27    阅读次数:215
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