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python numpy machine epsilon
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An easier way to get the machine epsilon for a given float type is to use np.finfo():
print(n...
How to programmatically display version/build number of target in iOS app?
...release number is for the customers, called version number. It starts with 1.0 and goes up for major updates to 2.0, 3.0, for minor updates to 1.1, 1.2 and for bug fixes to 1.0.1, 1.0.2 . This number is oriented about releases and new features. It does not have to stop at 9, 1.11.23 is a reasonable ...
Java regex capturing groups indexes
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183
Capturing and grouping
Capturing group (pattern) creates a group that has capturing property....
When to use lambda, when to use Proc.new?
In Ruby 1.8, there are subtle differences between proc/lambda on the one hand, and Proc.new on the other.
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pip broke. how to fix DistributionNotFound error?
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Javascript - remove an array item by value [duplicate]
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I want to exception handle 'list index out of range.'
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Handling the exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
gotdata = 'null'
Of course you could also check the len() of dlist; but handling the exception is more intuitive.
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