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List comprehension: Returning two (or more) items for each item

... print timeit(stmt='list(chain.from_iterable((f(x), g(x)) for x in xrange(10**6)))', setup='gc.enable(); from itertools import chain; f = lambda x: x + 2; g = lambda x: x ** 2', number=20) print timeit(stmt='list(chain.from_iterable(fg(x) for x in xrange(10**6)))', ...
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How to search a specific value in all tables (PostgreSQL)?

...all'Mike Sherrill 'Cat Recall' 78.5k1616 gold badges103103 silver badges156156 bronze badges 5 ...
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ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)

... 10 What happen if I invoke _contentList.Clear()? No one will unsubscribe from PropertyChanged! – Paolo Moretti ...
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Background ListView becomes black when scrolling

...ndroid:color/transparent probably has the added bonus of having one single bit set. There is a bug where if you pass 0 on some phones transparency wont work. So the trick is to set 1 bit. – Thomas Dignan Nov 10 '12 at 0:01 ...
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What's the use of ob_start() in php?

... answered Dec 9 '10 at 18:57 Riley DuttonRiley Dutton 6,90522 gold badges2121 silver badges2626 bronze badges ...
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What are the differences between numpy arrays and matrices? Which one should I use?

... | edited May 7 at 14:10 hashlash 49944 silver badges1313 bronze badges answered Apr 11 at 11:52 ...
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Read properties file outside JAR file

... Ninad PingaleNinad Pingale 5,21044 gold badges2121 silver badges4343 bronze badges ...
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Calling dynamic function with dynamic number of parameters [duplicate]

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Get raw POST body in Python Flask regardless of Content-Type header

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How can I programmatically check whether a keyboard is present in iOS app?

... answered Jun 10 '12 at 4:03 thpitschthpitsch 1,7961717 silver badges2626 bronze badges ...