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How does the Amazon Recommendation feature work?
...that Amazon could potentially use, but likely doesn't, are described here: http://blog.echen.me/2011/02/15/an-overview-of-item-to-item-collaborative-filtering-with-amazons-recommendation-system/
A lot of what Dave describes is almost certainly not done at Amazon. (Ratings by those in my social netw...
Using jQuery to compare two arrays of Javascript objects
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I was also looking for this today and found:
http://www.breakingpar.com/bkp/home.nsf/0/87256B280015193F87256BFB0077DFFD
Don't know if that's a good solution though they do mention some performance considerations taken into account.
I like the idea of a jQuery helper m...
Best way to compare two complex objects
I have two complex objects like Object1 and Object2 . They have around 5 levels of child objects.
15 Answers
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What is unit testing? [closed]
... is a link to his web site where he discusses the basics of unit testing. http://xunitpatterns.com/XUnitBasics.html
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using extern template (C++11)
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Cutting the videos based on start and end time using ffmpeg
I tried to cut the video using the start and end time of the video by using the following command
9 Answers
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The easiest way to transform collection to array?
Suppose we have a Collection<Foo> . What is the best (shortest in LoC in current context) way to transform it to Foo[] ? Any well-known libraries are allowed.
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private[this] vs private
In Scala I see such feature as object-private variable. From my not very rich Java background I learnt to close everything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in som...
Assigning default value while creating migration file
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How to do an update + join in PostgreSQL?
Basically, I want to do this:
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