问题描述:
Given a 2D board and a word, find if the word exists in the grid.
The word can be constructed from letters of sequentially adjacent cell, where "adjacent" cells are those horizontally or ver...
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其他好文 时间:
2014-11-05 23:16:53
阅读次数:
262
如果我们的语句为:?12345678910111213IF NOT EXISTS(SELECT 1 FROM sys.views WHERE name='Report_IndividualTicket') BEGINcreate view Report_IndividualTicket asSELE...
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数据库 时间:
2014-11-05 18:59:38
阅读次数:
319
有一个递归查询在10g上运行很快,但在11g上运行不出来。
SQL> select * from v$version;
BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 1...
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数据库 时间:
2014-11-05 17:25:37
阅读次数:
277
1;首先来说in/not in的用法
in/not in是确定单个属性的值是否和给定的值或子查询的值相匹配;
select * from Student s where s.id in(1,2,3);
select * from Student s where s.name in( select distinct name from Proje...
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数据库 时间:
2014-11-05 17:25:36
阅读次数:
270
class?DB
{
????private?$db_config?=?‘./config.php‘;
????private?static?$_instance;
????private?function?__construct()
????{
????????if?(file_exists($this->db_conf...
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数据库 时间:
2014-11-05 13:13:47
阅读次数:
210
The following processes can solve this problem:1.open the project strcture2.select the top moudle of the project3.In the tab of sources,deleting the C...
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其他好文 时间:
2014-11-05 00:20:39
阅读次数:
252
Description
Given n segments in the two dimensional space, write a program, which determines if there exists a line such that after projecting these segments on it, all projected segments have at...
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其他好文 时间:
2014-11-04 22:55:12
阅读次数:
258
最近做项目的时候报了一个错误:Illegalaccess:thiswebapplicationinstancehasbeenstoppedalready.Couldnotloadjava.net.BindException.。。。。。。java.lang.IllegalStateException上网找了很多资料都说是配置文件修改一下就好了,但是我的改了没有用。我是用的是ssh框架,发..
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移动开发 时间:
2014-11-04 19:53:50
阅读次数:
176
问题描述:
Suppose a sorted array is rotated at some pivot unknown to you beforehand.
(i.e., 0 1 2 4 5 6 7 might become
4 5 6 7 0 1 2).
Find the minimum element.
You may assume no duplicate exists ...
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其他好文 时间:
2014-11-04 17:26:17
阅读次数:
253
org.springframework.dao.DuplicateKeyException: a different object with the same identifier value was already associated with the session: [com.sinosof...
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编程语言 时间:
2014-11-04 15:00:37
阅读次数:
169