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initialize a numpy array

... answered Dec 26 '10 at 20:56 KatrielKatriel 102k1717 gold badges120120 silver badges157157 bronze badges ...
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CSS Box Shadow Bottom Only [duplicate]

... Do this: box-shadow: 0 4px 2px -2px gray; It's actually much simpler, whatever you set the blur to (3rd value), set the spread (4th value) to the negative of it. share ...
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Designing function f(f(n)) == -n

...w about: f(n) = sign(n) - (-1)n * n In Python: def f(n): if n == 0: return 0 if n >= 0: if n % 2 == 1: return n + 1 else: return -1 * (n - 1) else: if n % 2 == 1: return n - 1 else: return -1 * (n ...
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Modify SVG fill color when being served as Background-Image

... | edited Dec 21 '18 at 0:15 David Neto 72311 gold badge1111 silver badges2020 bronze badges answered ...
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Checking for empty arrays: count vs empty

... answered Feb 7 '10 at 6:21 prodigitalsonprodigitalson 57.2k77 gold badges8888 silver badges108108 bronze badges ...
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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?

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Understanding “randomness”

...ough a pseudo-random variable: BarChart[BinCounts[RandomReal[{0, 1}, 50000], 0.01]] While this is the distribution you get after multiplying two random variables: BarChart[BinCounts[Table[RandomReal[{0, 1}, 50000] * RandomReal[{0, 1}, 500...
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Resize image in PHP

...createtruecolor($newwidth, $newheight); imagecopyresampled($dst, $src, 0, 0, 0, 0, $newwidth, $newheight, $width, $height); return $dst; } And you could call this function, like so... $img = resize_image(‘/path/to/some/image.jpg’, 200, 200); From personal experience, GD's image res...
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How do you know what to test when writing unit tests? [closed]

... edited May 23 '17 at 12:10 community wiki 2 re...
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clearing a char array c

... to view this as a C/C++ null terminated string, setting the first byte to 0 will effectively clear the string. share | improve this answer | follow | ...