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Hive综合案例分析之用户上网行为分析
知识点:1、Hive复合数据类型:array collect_set collect_list array_contains sort_array2、lateral view explode(array) lateral view out需求: click_log : ...
分类:其他好文   时间:2014-08-27 20:18:48    阅读次数:1808
HDU 2993 MAX Average Problem(斜率优化)
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2993Problem DescriptionConsider a simple sequence which only contains positive integers as a1, a2 ... a...
分类:其他好文   时间:2014-08-27 01:34:37    阅读次数:335
《Python CookBook2》 第一章 文本 - 检查字符串中是否包含某字符集合中的字符 && 简化字符串的translate方法的使用
检查字符串中是否包含某字符集合中的字符任务: 检查字符串中是否出现了某个字符集合中的字符解决方案:方案一:import itertoolsdef containAny(seq,aset): for item in itertools.ifilter(aset.__contains__,seq...
分类:编程语言   时间:2014-08-26 16:48:06    阅读次数:236
Permutation Sequence
The set [1,2,3,…,n] contains a total of n! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence ...
分类:其他好文   时间:2014-08-25 22:49:25    阅读次数:274
[leecode]Clone Graph
Clone GraphClone an undirected graph. Each node in the graph contains alabeland a list of itsneighbors.OJ's undirected graph serialization:Nodes are l...
分类:其他好文   时间:2014-08-25 22:22:44    阅读次数:237
services 文件
Services 文件列出了服务使用的标准端口号。可以向表中添加自己定义的项,来给自己的服务选择。(安装在Windows目录下的一个子目录中,取决于Windows版本)# Copyright (c) 1993-1999 Microsoft Corp.## This file contains por...
分类:其他好文   时间:2014-08-25 11:36:24    阅读次数:212
求二叉树中和为给定值的所有路径
转自:http://blog.csdn.net/lalor/article/details/7614381问题定义: You are given a binary tree in which each node contains a value. Design an algorithm to ...
分类:其他好文   时间:2014-08-25 11:20:04    阅读次数:292
LeetCode: Clone Graph
LeetCode: Clone GraphClone an undirected graph. Each node in the graph contains a label and a list of its neighbors.OJ's undirected graph serializatio...
分类:其他好文   时间:2014-08-23 20:21:31    阅读次数:224
字符串中判断存在的几种模式和效率(string.contains、string.IndexOf、Regex.Match)
通常情况下,我们判断一个字符串中是否存在某值常常会用string.contains,其实判断一个字符串中存在某值的方法有很多种,最常用的就是前述所说的string.contains,相对来说比较常用的还有string.IndexOf和Regex.Match。直接上代码,后面在说些什么吧,通常情况.....
分类:其他好文   时间:2014-08-23 15:20:10    阅读次数:189
LeetCode: Copy List with Random Pointer
LeetCode: Copy List with Random PointerA linked list is given such that each node contains an additional random pointer which could point to any node ...
分类:其他好文   时间:2014-08-23 12:34:30    阅读次数:193
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