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Python None comparison: should I use “is” or ==?
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edited Oct 27 '14 at 18:55
answered Jan 9 '13 at 22:08
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Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
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284
I tried it out, myself...Found it didn't work. So i check out the source code of ArrayAdapter a...
Removing duplicates in lists
... whatever you are trying to do:
>>> t = [1, 2, 3, 1, 2, 5, 6, 7, 8]
>>> t
[1, 2, 3, 1, 2, 5, 6, 7, 8]
>>> list(set(t))
[1, 2, 3, 5, 6, 7, 8]
>>> s = [1, 2, 3]
>>> list(set(t) - set(s))
[8, 5, 6, 7]
As you can see from the example result, the original o...
Functional style of Java 8's Optional.ifPresent and if-not-Present?
In Java 8, I want to do something to an Optional object if it is present, and do another thing if it is not present.
12 A...
Python : List of dict, if exists increment a dict value, if not append a new dict
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edited Oct 28 '13 at 19:46
answered Nov 7 '09 at 8:28
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How to install a specific version of a ruby gem?
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1182
Use the -v flag:
$ gem install fog -v 1.8
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How to get multiple counts with one SQL query?
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Chad
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answered Oct 8 '12 at 21:07
Taryn♦Taryn
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
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answered Feb 8 '11 at 9:29
trojanfoetrojanfoe
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