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How can I catch a ctrl-c event?
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174
signal isn't the most reliable way as it differs in implementations. I would recommend using s...
Printing tuple with string formatting in Python
So, i have this problem.
I got tuple (1,2,3) which i should print with string formatting.
eg.
14 Answers
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Converting between datetime, Timestamp and datetime64
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12 Answers
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Active
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How to express infinity in Ruby?
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188
If you use ruby 1.9.2, you can use:
>> Float::INFINITY #=> Infinity
>> 3 < ...
Positioning MKMapView to show multiple annotations at once
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answered Mar 22 '14 at 1:27
Code CommanderCode Commander
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String concatenation vs. string substitution in Python
...:
... return "%s%s/%d" % (DOMAIN, QUESTIONS, n)
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>>> so_q_sub(1000)
'http://stackoverflow.com/questions/1000'
>>> def so_q_cat(n):
... return DOMAIN + QUESTIONS + '/' + str(n)
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>>> so_q_cat(1000)
'http://stackoverflow.com/questions/1000'
>>> t1 = timeit.Ti...
How can I sharpen an image in OpenCV?
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163
One general procedure is laid out in the Wikipedia article on unsharp masking:
You use a Gauss...
sed error: “invalid reference \1 on `s' command's RHS”
... variant 2:
-r -e "s/WARNING: (\([a-zA-Z0-9./\\ :-]\+\))/${warn}WARNING: \1${c_end}/g" \
(Note: untested)
Without the -r argument back-references (like \1) won't work.
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What is `git diff --patience` for?
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186
You can read a post from Bram Cohen, the author of the patience diff algorithm, but I found th...