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Matplotlib discrete colorbar

...d) is making 0 showup as grey. For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would be much easier to make 0 grey, but i couldnt get this to work with the scatter or the custom cmap. As an alternative you can make your own cmap from scratch, or read-o...
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Scala list concatenation, ::: vs ++

Is there any difference between ::: and ++ for concatenating lists in Scala? 4 Answers ...
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Reduce, fold or scan (Left/Right)?

... operator's two arguments). This way we can cumulate a result. reduceLeft and reduceRight cumulate a single result. foldLeft and foldRight cumulate a single result using a start value. scanLeft and scanRight cumulate a collection of intermediate cumulative results using a start value. Accumulate...
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What is 'Currying'?

I've seen references to curried functions in several articles and blogs but I can't find a good explanation (or at least one that makes sense!) ...
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In c# is there a method to find the max of 3 numbers?

...e, but not regularly. (Note that this is likely to be more efficient than Andrew's LINQ-based answer - but obviously the more elements you have the more appealing the LINQ approach is.) EDIT: A "best of both worlds" approach might be to have a custom set of methods either way: public static class...
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Awaiting multiple Tasks with different results

... Task.WhenAll() allows to run the task in parallel mode. I can't understand why @Servy has suggested to remove it. Without the WhenAll they will be run one by one – Sergey G. Mar 13 '15 at 12:07 ...
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What's the best way to break from nested loops in JavaScript?

...for (var k in set3) { break loop2; // breaks out of loop3 and loop2 } } } as defined in EMCA-262 section 12.12. [MDN Docs] Unlike C, these labels can only be used for continue and break, as Javascript does not have goto. ...
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How can I get the intersection, union, and subset of arrays in Ruby?

...n do set operations on arrays by doing &(intersection), -(difference), and |(union). Obviously I didn't implement the MultiSet to spec, but this should get you started: class MultiSet attr_accessor :set def initialize(set) @set = set end # intersection def &(other) @set &...
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How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?

I want to plot data, then create a new figure and plot data2, and finally come back to the original plot and plot data3, kinda like this: ...
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Complex numbers usage in python [closed]

...math newbie. Now I'm getting deeper into Python data types. I can't understand how to use a complex number. Please give me examples of usage of complex numbers in Python. ...