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How do I check if an integer is even or odd? [closed]

... 1 2 Nem>xm>t 449 votes ...
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What is the difference between & and && in Java?

...g if the first operand evaluates to false since the result will be false (m>xm> != 0) & (1/m>xm> > 1) <-- this means evaluate (m>xm> != 0) then evaluate (1/m>xm> > 1) then do the &. the problem is that for m>xm>=0 this will throw an em>xm>ception. (m>xm> != 0) && (1/m>xm> > 1) <-- this means evalua...
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How to do multiple arguments to map function where one remains the same in python?

... One option is a list comprehension: [add(m>xm>, 2) for m>xm> in [1, 2, 3]] More options: a = [1, 2, 3] import functools map(functools.partial(add, y=2), a) import itertools map(add, a, itertools.repeat(2, len(a))) ...
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How to calculate an angle from three points? [closed]

... If you mean the angle that P1 is the vertem>xm> of then using the Law of Cosines should work: arccos((P122 + P132 - P232) / (2 * P12 * P13)) where P12 is the length of the segment from P1 to P2, calculated by sqrt((P1m>xm> - P2m>xm>)2 + (P1y - P2y)2) ...
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cocktail party algorithm SVD implementation … in one line of code?

...ully it'll help someone. You need 2 audio recordings. You can get audio em>xm>amples from http://research.ics.aalto.fi/ica/cocktail/cocktail_en.cgi. reference for implementation is http://www.cs.nyu.edu/~roweis/kica.html ok, here's code - [m>xm>1, Fs1] = audioread('mim>xm>1.wav'); [m>xm>2, Fs2] = audioread('m...
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What is the difference between an em>xm>pression and a statement in Python?

In Python, what is the difference between em>xm>pressions and statements? 14 Answers 14 ...
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Why are Python lambdas useful? [closed]

... Are you talking about lambda functions? Like lambda m>xm>: m>xm>**2 + 2*m>xm> - 5 Those things are actually quite useful. Python supports a style of programming called functional programming where you can pass functions to other functions to do stuff. Em>xm>ample: mult3 = filter(lambda m>xm>:...
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Finding local mam>xm>ima/minima with Numpy in a 1D numpy array

Can you suggest a module function from numpy/scipy that can find local mam>xm>ima/minima in a 1D numpy array? Obviously the simplest approach ever is to have a look at the nearest neighbours, but I would like to have an accepted solution that is part of the numpy distro. ...
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How to break out from a ruby block?

... Use the keyword nem>xm>t. If you do not want to continue to the nem>xm>t item, use break. When nem>xm>t is used within a block, it causes the block to em>xm>it immediately, returning control to the iterator method, which may then begin a new iteration by inv...
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C# LINQ find duplicates in List

...lement in the group. In LINQ, this translates to: var query = lst.GroupBy(m>xm> => m>xm>) .Where(g => g.Count() > 1) .Select(y => y.Key) .ToList(); If you want to know how many times the elements are repeated, you can use: var query = lst.GroupBy(m>xm> =...