一次总结两道题,两道题目都比较基础Description:Write a function to
find the longest common prefix string amongst an array of strings.分析:
这道题目最重要的知道什么叫prefix前缀, 否则一不小心就做...
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其他好文 时间:
2014-06-09 21:08:16
阅读次数:
224
方法一:正则分析法function getQueryString(name) { var
reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); var r =
window.location.search.substr(1).m...
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Web程序 时间:
2014-06-09 16:03:15
阅读次数:
293
【Project Browser】 You can drag items from the
project structure list to the Favourites and also save search queries there. The
filters work by add...
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其他好文 时间:
2014-06-09 15:25:46
阅读次数:
282
原题地址:https://oj.leetcode.com/problems/search-for-a-range/题意:Given
a sorted array of integers, find the starting and ending position of a given
target ...
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编程语言 时间:
2014-06-08 21:03:21
阅读次数:
297
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal" >
android:layout_width="wrap...
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其他好文 时间:
2014-06-08 17:58:54
阅读次数:
633
题目
Given n, how many structurally unique BST's (binary search trees) that store values 1...n?
For example,
Given n = 3, there are a total of 5 unique BST's.
1 3 3 2 ...
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其他好文 时间:
2014-06-08 17:06:58
阅读次数:
235
题目
Two elements of a binary search tree (BST) are swapped by mistake.
Recover the tree without changing its structure.
Note:
A solution using O(n)
space is pretty straight forward. Cou...
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其他好文 时间:
2014-06-08 15:32:45
阅读次数:
245
题目
Given n, generate all structurally unique BST's (binary search trees) that store values 1...n.
For example,
Given n = 3, your program should return all 5 unique BST's shown below.
...
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其他好文 时间:
2014-06-08 15:15:26
阅读次数:
223
代码清单:
<?php
/**
* 判断字符串是否为utf8编码,英文和半角字符返回ture
* @author ruxing.li
* @param $string
* @return bool
*/
function is_utf8($string) {
return preg_match('%^(?:
[\x09\x0A\x0D\x...
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其他好文 时间:
2014-06-08 10:47:58
阅读次数:
267
linux
grep命令详解http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2856896.htmlgrep
(global search regular expression(RE) and print out the line,全面搜索正则...
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系统相关 时间:
2014-06-07 22:50:42
阅读次数:
387