DescriptionTeam Queue Team QueueQueues and Priority Queues are data structures which are known to most computer scientists. The Team Queue, however, i...
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其他好文 时间:
2014-12-14 13:12:19
阅读次数:
245
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...
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其他好文 时间:
2014-12-13 06:07:09
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137
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...
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数据库 时间:
2014-12-13 01:03:30
阅读次数:
257
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...
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其他好文 时间:
2014-12-11 23:39:11
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212
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...
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移动开发 时间:
2014-12-11 20:46:47
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232
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 ...
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系统相关 时间:
2014-12-11 18:41:33
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190
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...
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编程语言 时间:
2014-12-11 13:41:34
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216
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...
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其他好文 时间:
2014-12-11 10:26:13
阅读次数:
312
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...
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编程语言 时间:
2014-12-10 21:18:41
阅读次数:
209
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...
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其他好文 时间:
2014-12-10 10:51:19
阅读次数:
315