查询oracle中是否存在一个表,例如A表select object_name from all_objects where owner = '数据库用户名' and object_type LIKE 'TABLE%' and object_name = 'A'如果存在将会输出A表名称,...
分类:
数据库 时间:
2015-07-22 18:09:28
阅读次数:
169
Problem Description
Dylans is given a tree with
N
nodes.
All nodes have a value A[i].Nodes
on tree is numbered by 1~N.
Then he is given Q
questions like that:
①0 x y:change
node x′...
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其他好文 时间:
2015-07-22 13:19:22
阅读次数:
173
SHOW STATUS;FLUSH STATUS;查看当前连接数 SHOW STATUS LIKE 'Thread_%';Thread_cached:被缓存的线程的个数Thread_running:处于激活状态的线程的个数Thread_connected:当前连接的线程的个数Thread_creat...
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其他好文 时间:
2015-07-22 12:24:37
阅读次数:
113
everything多用于肯定而anything多用于否定和疑问语气 anything 1) 任何事情/东西,可以用在肯定句/否定句/疑问句中.如:You can take anything you like.Do you have anything to say?There is not anyt...
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其他好文 时间:
2015-07-22 09:11:17
阅读次数:
98
SHOW STATUS;FLUSH STATUS;查看当前连接数 SHOW STATUS LIKE 'Thread_%';Thread_cached:被缓存的线程的个数Thread_running:处于激活状态的线程的个数Thread_connected:当前连接的线程的个数Thread_creat...
分类:
其他好文 时间:
2015-07-21 21:53:22
阅读次数:
172
题目:
Given a binary tree, flatten it to a linked list in-place.
For example,
Given
1
/ 2 5
/ \ 3 4 6
The flattened tree should look like:
...
分类:
编程语言 时间:
2015-07-21 14:57:59
阅读次数:
131
一般情况下,mysql会默认提供多种存储引擎,你可以通过下面的查看:看你的mysql现在已提供什么存储引擎:mysql> show engines;看你的mysql当前默认的存储引擎:mysql> show variables like '%storage_engine%';你要看某个表用了什么引擎...
分类:
数据库 时间:
2015-07-21 14:43:33
阅读次数:
4733
A. To Buy or Not to Buy (20)
时间限制
100 ms
内存限制
65536 kB
代码长度限制
8000 B
判题程序
Standard
作者
CHEN, Yue
Eva would like to make a string of beads ...
分类:
其他好文 时间:
2015-07-21 12:52:47
阅读次数:
105
ZigZag Conversion :
The string “PAYPALISHIRING” is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility)P A...
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其他好文 时间:
2015-07-20 19:41:58
阅读次数:
116
1.解决candece 启动后提示找不到licence文件的错误: candece的安装就不说了,按照破解步骤一步一步来就行了,但是装完后发现每次启动都会报错"OrCAD Capture license was not found.would you like to launch captu...
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其他好文 时间:
2015-07-20 12:52:37
阅读次数:
293