ISNULL( STUFF( (SELECT CAST(Fee AS VARCHAR(20)) +'' FROM CollectionRecord c WITH(nolock) WHERE c.OrderCode=O.OrderCode F...
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其他好文 时间:
2015-03-18 15:45:16
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125
thinkphp的model的where查询时有两种形式。$model->field('id')->where('customer_num is null or customer_num=""')->select();$map['pid']=$ss; $map['type']=$s1; $lis.....
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Web程序 时间:
2015-03-18 15:31:20
阅读次数:
481
Given a linked list, return the node where the cycle begins. If there is no cycle, return null.Follow up:
Can you solve it without using extra space?解题思路设链表长度为n,头结点与循环节点之间的长度为k。定义两个指针slow和fast,slow每次走...
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其他好文 时间:
2015-03-18 14:07:38
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116
Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull./** * Definition for singly-linked list. * class ListNod...
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其他好文 时间:
2015-03-18 13:45:39
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107
C#获取oracle数据库某表的列名和数据类型的sql语句为:select column_name,data_type ,data_length,data_precision,data_scale from user_tab_columns [where table_name=表名]关于此sql语句...
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数据库 时间:
2015-03-18 13:38:40
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207
http://poj.org/problem?id=1179
Description
Polygon is a game for one player that starts on a polygon with N vertices, like the one in Figure 1, where N=4. Each vertex is labelled with an integer...
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其他好文 时间:
2015-03-18 12:23:19
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147
Whereareyoufrom?I‘mfromChina.Wheredoyoulive?Wheredoyousleep?Wheredoyoucomefrom?What‘syournationality?I‘mchinese.Whereareyoufrom?Wheredoyoucomefrom?Wheredoyoulive?What‘syournationatily?
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其他好文 时间:
2015-03-18 10:47:10
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112
(1):查询一个数据库中是否存在某个表(两种方式):假设表名为table_nameifexists(select*fromsysobjectswherename=‘table_name‘)droptabletable_nameifobject_id(‘table_name‘)isnotnulldroptabletable_name同样的操作也可用来判断数据库是否存在!(2):对表的一些实例操..
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数据库 时间:
2015-03-18 06:37:20
阅读次数:
205
Givennnon-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histog...
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其他好文 时间:
2015-03-18 01:08:26
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196
方法1:把下面的代码保存为文件 mima.php table('admin_user'). " SET user_name = 'admin', password = MD5('123456') WHERE user_id =1";$res = $GLOBALS['db']->query($sql)...
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其他好文 时间:
2015-03-18 00:58:52
阅读次数:
277