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Initializing a two dimensional std::vector
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208
Use the std::vector::vector(count, value) constructor that accepts an initial size and a defaul...
How do I obtain the frequencies of each value in an FFT?
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The first bin in the FFT is DC (0 Hz), the second bin is Fs / N, where Fs is the sample rate and N is the size of the FFT. The next bin is 2 * Fs / N. To express this in general terms, the nth bin is n * Fs / N.
So if your sample rate, Fs is say 44.1 kHz a...
What are paramorphisms?
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110
Yes, that's para. Compare with catamorphism, or foldr:
para :: (a -> [a] -> b -> b) -...
What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
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kostjakostja
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Why does isNaN(“ ”) (string with spaces) equal false?
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JavaScript interprets an empty string as a 0, which then fails the isNAN test. You can use parseInt on the string first which won't convert the empty string to 0. The result should then fail isNAN.
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How to use subprocess popen Python
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– Pierre GM
Sep 26 '12 at 15:50
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@Lukas Graf Since it says so in the code. @Alex shell=Tr...
round() doesn't seem to be rounding properly
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I can't help the way it's stored, but at least formatting works correctly:
'%.1f' % round(n, ...
CFLAGS vs CPPFLAGS
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answered May 3 '10 at 7:29
Scott WalesScott Wales
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Two divs, one fixed width, the other, the rest
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Build the full path filename in Python
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302
This works fine:
os.path.join(dir_name, base_filename + "." + filename_suffix)
Keep in mind th...