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How to check if a file exists in Go?
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The second snippet is more subtly wrong; the condition should be !os.IsNotExist(err). It's possible the file exists but os.Stat fails for other reasons (eg. permission, failing disk). Using err == nil as the condition incorrectly categorises such ...
How can I link to a specific glibc version?
...st one can often resort to musl-libc, but with C++ programs things can get more complicated, so specifying a symbol version may be necessary still.
– 0xC0000022L
May 4 '17 at 9:10
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
... X -> nearest centre, any metric
euclidean2 (~ withinss) is more sensitive to outliers,
cityblock (manhattan, L1) less sensitive
"""
D = cdist( X, centres, metric=metric, p=p ) # |X| x |centres|
return D.argmin(axis=1)
def Lqmetric( x, y=None, q=.5 ):
# y...
How do I see what character set a MySQL database / table / column is?
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How to get past the login page with Wget?
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Is there a way to access method arguments in Ruby?
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How do I do a Date comparison in Javascript? [duplicate]
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Is there a method for String conversion to Title Case?
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This is a nice little routine, but it fails for the more general case in which Strings may represent names. In this case, capitalization would also need to occur after apostrophes and hyphens, too. Eg. O'Connor and J. Wilkes-Booth. Of course, other languages may have additi...
How to create PDF files in Python [closed]
... that I have tried, definitely the most complete. However, it's also a bit more complicated. blog.pythonlibrary.org/2010/03/08/… blog.pythonlibrary.org/2010/09/21/…
– Jose Salvatierra
Jul 24 '13 at 16:27
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