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How do I draw a grid onto a plot in Python?
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how to check redis instance version?
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answered Feb 4 '14 at 15:03
Aviram NetanelAviram Netanel
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Stream.Seek(0, SeekOrigin.Begin) or Position = 0
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answered Aug 30 '11 at 5:22
gordygordy
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Turn Pandas Multi-Index into column
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Will
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answered Sep 8 '14 at 21:42
CraigSFCraigSF
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Sequence contains more than one element
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What's the fastest way to merge/join data.frames in R?
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Python: Select subset from list based on index set
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Decreasing for loops in Python impossible?
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for n in range(6,0,-1):
print n
# prints [6, 5, 4, 3, 2, 1]
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Cost of exception handlers in Python
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Result:
a = 1
try:
b = 10/a
except ZeroDivisionError:
pass
0.25 usec/pass
a = 1
if a:
b = 10/a
0.29 usec/pass
a = 1
b = 10/a
0.22 usec/pass
a = 0
try:
b = 10/a
except ZeroDivisionError:
pass
0.57 usec/pass
a = 0
if a:
b = 10/a
0.04 usec/pass
a = 0
b = 10/a
ZeroDivis...
How do I create an average from a Ruby array?
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Try this:
arr = [5, 6, 7, 8]
arr.inject{ |sum, el| sum + el }.to_f / arr.size
=> 6.5
Note the .to_f, which you'll want for avoiding any problems from integer division. You can also do:
arr = [5, 6, 7, 8]
arr.inject(0.0) { |sum, el| sum ...