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ACM学习历程——UVA540 Team Queue(队列,map:Hash)
DescriptionTeam Queue Team QueueQueues and Priority Queues are data structures which are known to most computer scientists. The Team Queue, however, i...
分类:其他好文   时间:2014-12-14 13:12:19    阅读次数:245
Leetcode-Longest Substring with At Most Two Distinct Characters.
Given a string, find the length of the longest substring T that contains at most 2 distinct characters.For example, Given s = “eceba”,T is "ece" which...
分类:其他好文   时间:2014-12-13 06:07:09    阅读次数:137
The NoSQL System
Unlike most of the other projects in this book, NoSQL is not a tool, but an ecosystem composed of several complimentary and competing tools. The tools branded with the NoSQL monicker provide an alt...
分类:数据库   时间:2014-12-13 01:03:30    阅读次数:257
leetcode. Best Time to Buy and Sell Stock
Say you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transaction (ie...
分类:其他好文   时间:2014-12-11 23:39:11    阅读次数:212
[LeetCode] Trapping Rain Water 栈
Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining.Fo...
分类:移动开发   时间:2014-12-11 20:46:47    阅读次数:232
mac, xcode 6.1 安装command line tools 支持,autoconf,automake等
以下软件包 都去我的环境库找到1 先安装 tcl库2 安装macports/opt/local/bin/port 一般装到这里安装autoconf时提示:Warning: The Xcode Command Line Tools don't appear to be installed; most ...
分类:系统相关   时间:2014-12-11 18:41:33    阅读次数:190
Python中字典的has_key方法在3.4版本中改为in
1 >>> a={1:'a',2:'b'}2 >>> 1 in a3 True4 >>> 'a' in a5 False6 >>> 2 in a7 True8 >>> 即可以判断某个键是否存在于字典中;1 >>> a.has_key(1)2 Traceback (most recent call l...
分类:编程语言   时间:2014-12-11 13:41:34    阅读次数:216
[Elasticsearch] 多字段搜索 (五) - 以字段为中心的查询
以字段为中心的查询(Field-centric Queries) 上述提到的三个问题都来源于most_fields是以字段为中心(Field-centric),而不是以词条为中心(Term-centric):它会查询最多匹配的字段(Most matching fields),而我们真正感兴趣的最匹配的词条(Most matching terms)。 NOTE best_fields同...
分类:其他好文   时间:2014-12-11 10:26:13    阅读次数:312
(每日算法)LeetCode --- Remove Duplicates from Sorted Array II (删除重复元素II)
Remove Duplicates from Sorted Array II Leetcode 题目: Follow up for "Remove Duplicates": What if duplicates are allowed at most twice? For example, Given sorted array A = [1,1,1,2,2,3], Y...
分类:编程语言   时间:2014-12-10 21:18:41    阅读次数:209
[Elasticsearch] 多字段搜索 (三) - multi_match查询和多数字段
multi_match查询 multi_match查询提供了一个简便的方法用来对多个字段执行相同的查询。 NOTE 存在几种类型的multi_match查询,其中的3种正好和在"了解你的数据"一节中提到的几种类型相同:best_fields,most_fields以及cross_fields。 默认情况下,该查询以best_fields类型执行,它会为每个字段生成一...
分类:其他好文   时间:2014-12-10 10:51:19    阅读次数:315
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