当用MySQL Workbench进行数据库的批量更新时,执行一个语句会碰到以下错误提示: Error Code: 1175 You are using safe...without a WHERE that uses a KEY column因为是MySQL Workbench的默认的安全设置是不...
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数据库 时间:
2014-09-01 10:26:32
阅读次数:
227
SQL Server 可以在实例,数据库,列,查询分别指定排序规则/* Module 1 - working with Clollations*/-- 1.1 Obtain the Instance Collation from the GUI--Create a Database without ...
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数据库 时间:
2014-09-01 03:58:22
阅读次数:
309
题目:
Divide two integers without using multiplication, division and mod operator.
解析:...
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其他好文 时间:
2014-08-31 22:58:02
阅读次数:
246
很多时候我们使用hibernate的session时,都是让session在某一运行环境中保持其唯一。例如在同一线程内用同一个session,在同一方法内用同一session,这样我们就可以用session里面缓存好的数据。但,我想说的不是缓存,且听我一一道来。
最近试用spring3.0.2+struts2.18+hibernate3.3.2学习搭建一个web项目,出现了一个相当郁...
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数据库 时间:
2014-08-31 17:19:11
阅读次数:
256
Given a singly linked list L: L0→L1→…→Ln-1→Ln,
reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→…
You must do this in-place without altering the nodes' values.
For example,
Given {1,2,3,4}, reorder it to ...
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其他好文 时间:
2014-08-30 00:06:58
阅读次数:
359
Two elements of a binary search tree (BST) are swapped by mistake.
Recover the tree without changing its structure.
Note:
A solution using O(n)
space is pretty straight forward. Could you devis...
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其他好文 时间:
2014-08-29 21:28:08
阅读次数:
313
Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using extra space?题目意...
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其他好文 时间:
2014-08-29 12:44:37
阅读次数:
256
LeetCode: Recover Binary Search TreeTwo elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure....
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其他好文 时间:
2014-08-28 23:58:36
阅读次数:
385
Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?/** * Definition for singly-linked list. *...
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其他好文 时间:
2014-08-28 19:41:25
阅读次数:
224
Two elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A solution using O(n) space is ...
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其他好文 时间:
2014-08-28 19:33:55
阅读次数:
266