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Programmatically find the number of cores on a machine

...ine has from C/C++ in a platform-independent way? If no such thing exists, what about determining it per-platform (Windows/*nix/Mac)? ...
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How to split/partition a dataset into training and test datasets for, e.g., cross validation?

What is a good way to split a NumPy array randomly into training and testing/validation dataset? Something similar to the cvpartition or crossvalind functions in Matlab. ...
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Scatterplot with too many points

... What if I have 3D data? – skan Feb 16 '16 at 15:03  |  show 4 more ...
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Correct way to check if a type is Nullable [duplicate]

...ior. For your propertyType object from the last line is a counter-example. What I mean is that Nullable.GetUnderlyingType(propertyType) does not return null (it returns your T) although propertyType is an open generic type (propertyType.ContainsGenericParameters). I experimented a bit, and it looks ...
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Where is the warnings screen option in Android Studio?

... Build -> Make Project (Ctrl + F9) gives what we can get equivalent of Eclipse's “Problems” view on Android Studio share | improve this answer | ...
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What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?

Can someone give me a quick summary of what a ViewModelLocator is, how it works, and what the pros/cons are for using it compared to DataTemplates? ...
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Hidden features of Scala

What are the hidden features of Scala that every Scala developer should be aware of? 28 Answers ...
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What is the difference between List and ArrayList? [duplicate]

...d project at the office and I'm a bit confused between List and ArrayList, what is the difference of the two and what should I use? ...
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Is there a recommended format for multi-line imports?

...RIDGE, Text, Tk, ) This has the added advantage of easily seeing what components have been added / removed in each commit or PR. Overall though it's a personal preference and I would advise you to go with whatever looks best to you. ...
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difference between scope and namespace of ruby-on-rails 3 routing

I can't understand what the difference is between a namespace and a scope in the routing of ruby-on-rails 3. 5 Answers ...