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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
...：处理无打分的偏好数据，比Tanimoto系数的计算方法更为智能。
TanimotoCoefficientSimilarity: Tanimoto系数相似度
原理：又名广义Jaccard系数，是对Jaccard系数的扩展，等式为
范围：[0,1]，完全重叠时为1，无重叠项时为0，越接近1说...
What is the difference between the OAuth Authorization Code and Implicit workflows? When to use each
...n each grant type and when to choose each one.
– François POYER
Nov 28 '16 at 14:04
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Why is using onClick() in HTML a bad practice?
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@François Wahl: the main disadvantage is discoverability: looking at the HTML does not tell you which callbacks are attached to it, not even whther there are any.
– Michael Borgwardt
Nov 28 ...
Can I add jars to maven 2 build classpath without installing them?
Maven2 is driving me crazy during the experimentation / quick and dirty mock-up phase of development.
24 Answers
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How to access a preexisting collection with Mongoose?
...{ console.log(err, data, data.length);});
– Kaan Erkoç
May 1 '17 at 9:40
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How to return result of a SELECT inside a function in PostgreSQL?
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@RenatoDinhaniConceição Cool! I added a version that may or may not answer an additional question that you haven't actually asked. ;)
– Erwin Brandstetter
Oct 30 '11 at 16:52
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What does -save-dev mean in npm install grunt --save-dev
...ted May 2 '19 at 17:24
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Jan 30 '15 at 12:29
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Create table with jQuery - append
...hank you! I used your JavaScript version to display a dynamic table in App Inventor puravidaapps.com/table.php
– Taifun
Aug 15 '12 at 18:56
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Socket send函数和recv函数详解以及利用select()函数来进行指定时间的阻塞 ...
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通过重叠通信和计算在许多系统能提高性能。由一个智能通信控制器自动地执行通信的系统是真实的。轻－重线索是取得这 种重叠的一种机制。导致好性能的 一个可选的机制是使用非阻塞通信。一个阻塞发送开始调用初始...
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...jp/cgi-bin/scat.rb/ruby/ruby-talk/380637
– Matt Briançon
Aug 16 '11 at 16:17
4
Correct explanati...