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How to normalize a NumPy array to within a certain range?
...io /= np.max(np.abs(audio),axis=0)
image *= (255.0/image.max())
Using /= and *= allows you to eliminate an intermediate temporary array, thus saving some memory. Multiplication is less expensive than division, so
image *= 255.0/image.max() # Uses 1 division and image.size multiplications
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How does zip(*[iter(s)]*n) work in Python?
...unction call. Therefore you're passing the same iterator 3 times to zip(), and it pulls an item from the iterator each time.
x = iter([1,2,3,4,5,6,7,8,9])
print zip(x, x, x)
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Implications of foldr vs. foldl (or foldl')
...rstly, Real World Haskell , which I am reading, says to never use foldl and instead use foldl' . So I trust it.
7 Ans...
Can TCP and UDP sockets use the same port?
First of all, is there any problem with using both UDP and TCP on the same server?
2 Answers
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How to determine if a decimal/double is an integer?
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IMHO, the modulus operator and floating point numbers just don't mix in any way useful. The code suggested is incredibly confusing given the number of keystrokes used and will work almost nowhere outside of .NET languages. I would bet it's also much sl...
What is the difference between save and export in Docker?
I am playing around with Docker for a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and export commands, but I don't fully understand them.
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Android emulator and virtualbox cannot run at same time
Whenever I have Virtualbox running, I cannot start an Android emulator image (and vice versa). The error message in the AVD manager is
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How do I read / convert an InputStream into a String in Java?
...ou have a java.io.InputStream object, how should you process that object and produce a String ?
59 Answers
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Why not use exceptions as regular flow of control?
To avoid all standard-answers I could have Googled on, I will provide an example you all can attack at will.
24 Answers
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Use dynamic variable names in JavaScript
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Since ECMA-/Javascript is all about Objects and Contexts (which, are also somekind of Object), every variable is stored in a such called Variable- (or in case of a Function, Activation Object).
So if you create variables like this:
var a = 1,
b = 2,
c = 3;
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