MySQL提供标准的SQL模式匹配,以及一种基于象Unix实用程序如vi、grep和sed的扩展正则表达式模式匹配的格式。一、SQL模式SQL的模式匹配允许你使用“_”匹配任何单个字符,而“%”匹配任意数目字符(包括零个字符)。在
MySQL中,SQL的模式缺省是忽略大小写的。下面显示一些例子。注意...
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数据库 时间:
2014-04-30 19:49:42
阅读次数:
494
1.for a two dimension vector, we must assign at
least the first dimension of the vector2.each dimension of an inner vector can
be different3.if you do...
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其他好文 时间:
2014-04-30 18:47:20
阅读次数:
549
题目: You are given two linked lists representing two
non-negative numbers. The digits are stored in reverse order and each of their
nodes contain a sin...
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其他好文 时间:
2014-04-30 18:44:23
阅读次数:
428
Description There are N cities in a country, and
there is one and only one simple path between each pair of cities. A merchant
has chosen some paths a...
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其他好文 时间:
2014-04-30 17:09:30
阅读次数:
570
sudo vim /etc/network/interfaces,
将该文件的内容修改为如下:(也就是说删掉其他的什么auto eth0、auto wlan0)auto loiface lo inet loopback
分类:
Web程序 时间:
2014-04-30 15:50:31
阅读次数:
474
Problem D: Airport ExpressIn a small city
called Iokh, a train service,Airport-Express, takes residents to the airport
more quickly than other transpo...
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其他好文 时间:
2014-04-30 13:53:23
阅读次数:
347
Stone Game, Why are you always there?Time Limit:
2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total
Submission(s): 393Accepted S...
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其他好文 时间:
2014-04-29 17:23:45
阅读次数:
444
Computer Graphics Research SoftwareHelping you
avoid re-inventing the wheel since 2009!Last updated December 5, 2012.Try
searching this page for keywo...
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其他好文 时间:
2014-04-29 16:48:47
阅读次数:
2528
Validate if a given string is numeric.Some
examples:"0"=>true" 0.1 "=>true"abc"=>false"1
a"=>false"2e10"=>trueNote:It is intended for the problem stat...
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其他好文 时间:
2014-04-29 16:45:45
阅读次数:
398
Carmichael Numbers An important topic nowadays in
computer science is cryptography. Some people even think that cryptography is
the only important fi....
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其他好文 时间:
2014-04-29 16:31:45
阅读次数:
504