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Leetcode::Longest Common Prefix && Search for a Range
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...
分类:其他好文   时间:2014-06-09 21:08:16    阅读次数:224
[办公应用]如何将excel合并单元格分拆后每个单元格上仍保留数据?
合并单元格虽然美观,但是无法进行排序、筛选等操作。只有合并单元格拆分后才可以按常规进行统计。但是普通拆分后,excel仅保留合并单元格数据到区域左上角的单元格。解决方案:选定多个合并单元格,应用本宏即可每个单元格均保留数据:Sub 拆分() Dim c As Range For Each c In ...
分类:其他好文   时间:2014-06-09 20:04:16    阅读次数:268
js获取url参数值
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...
分类:Web程序   时间:2014-06-09 16:03:15    阅读次数:293
Project Browser & Inspector
【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...
分类:其他好文   时间:2014-06-09 15:25:46    阅读次数:282
[leetcode]Search for a Range @ Python
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 ...
分类:编程语言   时间:2014-06-08 21:03:21    阅读次数:297
Unique Binary Search Trees
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 ...
分类:其他好文   时间:2014-06-08 17:06:58    阅读次数:235
Recover Binary Search Tree
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...
分类:其他好文   时间:2014-06-08 15:32:45    阅读次数:245
Unique Binary Search Trees II
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. ...
分类:其他好文   时间:2014-06-08 15:15:26    阅读次数:223
linux grep命令详解
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...
分类:系统相关   时间:2014-06-07 22:50:42    阅读次数:387
python计算均值方差
用Python求均值与方差,可以自己写,也可以借助于numpy,不过到底哪个快一点呢?我做了个实验,首先生成9百万个样本:```pythonnlist=range(0,9000000)nlist=[float(i)/1000000 for i in nlist]N=len(nlist)```第二行是...
分类:编程语言   时间:2014-06-07 22:48:05    阅读次数:1623
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