题目
Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring.
For "(()", the longest valid parentheses substring is "()", ...
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其他好文 时间:
2014-05-14 01:10:30
阅读次数:
318
Bob enjoys playing computer games, especially
strategic games, but sometimes he cannot find the solution fast enough and then
he is very sad. Now he h...
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其他好文 时间:
2014-05-14 00:29:42
阅读次数:
251
TriangleGiven a triangle, find the minimum path
sum from top to bottom. Each step you may move to adjacent numbers on the row
below.For example, given...
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其他好文 时间:
2014-05-13 18:51:44
阅读次数:
297
Given s1, s2, s3, find whether s3 is formed by
the interleaving of s1 and s2.For example,Given:s1 = "aabcc",s2 = "dbbca",When
s3 = "aadbbcbcac", retur...
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其他好文 时间:
2014-05-13 18:11:42
阅读次数:
249
If you runfsck, the filesystem check and repair
command, it might find data fragments that are not referenced anywhere in the
filesystem. In particula...
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其他好文 时间:
2014-05-13 16:59:54
阅读次数:
276
1、如果想使用Linux crontab(类似java quartz),需要先启动crontab.关于crontab的启动、关闭、重启、重新载入配置的方式如下:
/sbin/service crond start //启动服务
/sbin/service crond stop //关闭服务
/sbin/service crond restart //重启服务
/sbin/service c...
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系统相关 时间:
2014-05-13 15:33:42
阅读次数:
487
定时清理clientmqueue目录垃圾文件防止占满磁盘空间:/var/spool/clientmqueue --这个目录会自动创建很多的文件,可以用下面的命令来清理find/var/spool/clientmqueue/–type f|xargsrm–frmkdir/server/scripts–pvimdel.sh:find/var/spool/clientmqueue/–type..
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其他好文 时间:
2014-05-13 12:14:48
阅读次数:
412
判断shutcut是否安装
"com.android.launcher.permission.READ_SETTINGS"/>
这段代码在模拟器上运行没有问题,但是在htc s510e运行报异常Failed to find provider info for com.android.launcher2.settings
通过但因htc所有包发现htc中的launcher被定制了改名为co...
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移动开发 时间:
2014-05-12 23:58:28
阅读次数:
625
Multiple annotations found at this line: - schema_reference.4: Failed to read schema document 'http://www.directwebremoting.org/schema/spring-dwr-2.0.xsd', because 1) could not find the document; 2)...
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编程语言 时间:
2014-05-12 22:55:47
阅读次数:
409
原题地址:http://oj.leetcode.com/problems/minimum-depth-of-binary-tree/题意:Given
a binary tree, find its minimum depth.The minimum depth is the number of no...
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编程语言 时间:
2014-05-12 21:55:15
阅读次数:
348