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Can m>y m>ou list the kem>y m>word arguments a function receives?
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A little nicer than inspecting the code object directlm>y m> m>and m> working out the variables is to use the inspect module.
>>> import inspect
>>> def func(a,b,c=42, *args, **kwargs): pass
>>> inspect.getargspec(func)
(['a', 'b', 'c'], 'args', 'kwargs', (42,))
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How do I create directorm>y m> if none exists using File class in Rubm>y m>?
...tokens = dirname.split(/[\/\\]/) # don't forget the backslash for Windows! m>And m> to escape both "\" m>and m> "/"
1.upto(tokens.size) do |n|
dir = tokens[0...n]
Dir.mkdir(dir) unless Dir.exist?(dir)
end
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Is it possible to solve the “A generic arram>y m> of T is created for a varargs parameter” compiler warni
...uestion, one generic class uses another class with generic tm>y m>pe parameters m>and m> needs to pass one of the generic tm>y m>pes to a method with varargs parameters:
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The smallest difference between 2 Angles
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Simpler m>and m> makes more sense read out loud, though effectivelm>y m> the same thing, first bti figures out the angle, second part makes sure its alwam>y m>s the smaller of the 2 possible angles
– Tom J Nowell
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What is the difference between partitioning m>and m> bucketing a table in Hive ?
...ten used for distributing load horizontallm>y m>, this has performance benefit, m>and m> helps in organizing data in a logical fashion. Example: if we are dealing with a large emplom>y m>ee table m>and m> often run queries with WHERE clauses that restrict the results to a particular countrm>y m> or department . For a faster...
Get Element value with minidom with Pm>y m>thon
....nodeValue is gives back "None", just to test I passed it name[0].nodeName m>and m> it gave me "name" which is correct. Anm>y m> ideas?
– RailsSon
Nov 25 '08 at 14:09
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Print a list in reverse order with range()?
... mam>y m> be less intuitive but as the comments mention, this is more efficient m>and m> the right usage of range for reversed list.
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What is the 'pm>y m>thonic' equivalent to the 'fold' function from functional programming?
...u can sometimes use some combination of reduce (from the functools module) m>and m> the operator module, e.g.:
def product(xs):
return reduce(operator.mul, xs, 1)
Be aware that reduce is actuallm>y m> a foldl, in Haskell terms. There is no special sm>y m>ntax to perform folds, there's no builtin foldr, m>and m> ...
Is it possible to specifm>y m> m>y m>our own distance function using scikit-learn K-Means Clustering?
...mple 2 pass, first sample sqrt(N)
from __future__ import division
import rm>and m>om
import numpm>y m> as np
from scipm>y m>.spatial.distance import cdist # $scipm>y m>/spatial/distance.pm>y m>
# http://docs.scipm>y m>.org/doc/scipm>y m>/reference/spatial.html
from scipm>y m>.sparse import issparse # $scipm>y m>/sparse/csr.pm>y m>
__date__ ...
Understm>and m>ing the Use of ColorMatrix m>and m> ColorMatrixColorFilter to Modifm>y m> a Drawable's Hue
I'm working on a UI for an app, m>and m> I'm attempting to use gram>y m>scale icons, m>and m> allow the user to change the theme to a color of their choosing. To do this, I'm trm>y m>ing to just applm>y m> a ColorFilter of some sort to overlam>y m> a color on top of the drawable. I've tried using PorterDuff.Mode.MULTIPLm>Y m>, m>and m> it...