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海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...。但是随着业务的增长 simhash的数据也会暴增,如果一天100w,10天就1000w了。我们如果插入一条数据就要去比较1000w次的simhash,计算量还是蛮大,普通PC 比较1000w次海明距离需要 300ms ,和5000w数据比较需要1.8 s。看起来相似度计算...
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Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?

... | edited Nov 4 '14 at 0:57 Can 8,0754343 silver badges5757 bronze badges answered Jun 5 '14 at...
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Does application.yml support environment variables?

... 150 +50 Try ${O...
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Git : List all unmerged changes in git

... | edited Nov 11 '12 at 2:35 answered Aug 30 '10 at 15:54 ...
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How can I make Vim's `J` and `gq` commands use one space after a period?

... 107 :help joinspaces 'joinspaces' 'js' boolean (default on) global ...
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getApplicationContext(), getBaseContext(), getApplication(), getParent()

... | edited Mar 10 '17 at 3:34 user7415138 answered Jul 28 '11 at 5:05 ...
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Check if SQL Connection is Open or Closed

... 176 You should be using SqlConnection.State e.g, using System.Data; if (myConnection != null &a...
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How to check if a column exists in Pandas

... answered Jul 21 '14 at 16:48 chrisbchrisb 34.7k77 gold badges5151 silver badges5151 bronze badges ...
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vim repeat find next character 'x'

... answered Apr 26 '12 at 20:00 Jeremiah WillcockJeremiah Willcock 26.5k55 gold badges6767 silver badges7474 bronze badges ...
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How to wrap text around an image using HTML/CSS

... 111 you have to float your image container as follows: HTML <div id="container"> <d...