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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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相似度算法介绍，摘自：http://www.cnblogs.com/dlts26/archive/2012/06/20/2555772.html
5. 近邻算法工具集
近邻算法只对于UserCF适用，通过近邻算法给相似的用户进行排序，选出前N个最相似的，作为最终推荐的参考的用户。
近邻算法分...
Login failed for user 'DOMAIN\MACHINENAME$'
...lem. This didn't happen until I moved the application from debugging in VS 2012 to iis 8.
– T3.0
Jul 4 '14 at 7:11
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Compare two files in Visual Studio
I saw new comparsion tool in VS 2012 for comparing two files or two versions of file. I like it. But when I tried to find it I can't because I don't use TFS. Is there a way how can I just compare two files with builtin feature in VS but without TFS?
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Is there a way to automatically build the package.json file for Node.js projects
...--depth=0 will print more or less the same (not sure if it was the case in 2012 though)
– jakub.g
May 16 '16 at 18:51
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What is the difference between MediaPlayer and VideoView in Android
...ill help you and will solve your question.
http://eclipsesource.com/blogs/2012/08/24/lessons-learned-when-using-androids-mediaplayer-and-videoview/
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How to listen for changes to a MongoDB collection?
... to setup oplog for logging changes to DB locally: loosexaml.wordpress.com/2012/09/03/…
– johndodo
Dec 30 '14 at 14:35
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Import Maven dependencies in IntelliJ IDEA
... @JustinBlank not surprised by that, given that this is an answer from 2012. The settings are still there, they just have been moved somewhere else (answer has been updated).
– Alonso Dominguez
Feb 3 '17 at 10:48
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String concatenation in Ruby
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from http://greyblake.com/blog/2012/09/02/ruby-perfomance-tricks/
Using << aka concat is far more efficient than +=, as the latter creates a temporal object and overrides the first object with the new object.
require 'benchmark'
N = 1000
BASIC_LEN...
Default behavior of “git push” without a branch specified
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(March 2012)
Beware: that default "matching" policy might change soon
(sometimes after git1.7.10+):
See "Please discuss: what "git push" should do when you do not say what to push?"
In the current setting (i.e. push.default=mat...
Having both a Created and Last Updated timestamp columns in MySQL 4.0
... really old comment, BUT, it finally was changed: Changes in MySQL 5.6.5 (2012-04-10, Milestone 8) Previously, at most one TIMESTAMP column per table could be automatically initialized or updated to the current date and time. This restriction has been lifted. Any TIMESTAMP column definition can ha...