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
今天早上apache突然无法启动，重启电脑仍然没有结果，经过一番努力终于解决了，过程如下：
首先查看apache错误日志：
1.删除apache>>logs>>error.log，重启apache查看这个文件发现内容如下：
(OS 10013)以一种访问权限不允许的方式做了一个访问套接字的尝试。 : make_sock: could not bind to address [::]:80
...
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其他好文 时间：
2014-05-14 01:02:17
阅读次数：
421
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
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
You are given a string, S, and a list of words,
L, that are all of the same length. Find all starting indices of substring(s) in
S that is a concatena...
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其他好文 时间：
2014-05-12 22:27:04
阅读次数：
265
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
