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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...
Check if SQL Connection is Open or Closed
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You should be using SqlConnection.State
e.g,
using System.Data;
if (myConnection != null &a...
django - why is the request.POST object immutable?
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It's a bit of a mystery, isn't it? Several superficially plausible theories turn out to be wro...
Easy way to pull latest of all git submodules
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Why is Android Studio reporting “URI is not registered”? [closed]
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You are having this issue because you are at the wrong destination! The correct directory for ...
How to improve performance of ngRepeat over a huge dataset (angular.js)?
I have a huge dataset of several thousand rows with around 10 fields each, about 2MBs of data. I need to display it in the browser. Most straightforward approach (fetch data, put it into $scope , let ng-repeat="" do its job) works fine, but it freezes the browser for about half of a minute when i...
How to call a method with a separate thread in Java?
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Create a class that implements the Runnable interface. Put the code you want to run in the run...
How do I convert an HttpRequestBase into an HttpRequest object?
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edited Sep 21 '09 at 1:54
answered Sep 21 '09 at 1:44
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Graphviz: How to go from .dot to a graph?
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