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How do I save a UIImage to a file?
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commanda
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answered Jul 21 '12 at 12:52
DrummerBDrummerB
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How can I click a button behind a transparent UIView?
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edited Sep 4 '18 at 17:40
answered Oct 24 '10 at 22:30
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C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]
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edited May 24 '10 at 3:30
answered May 24 '10 at 3:24
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Get selected value/text from Select on change
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14 Answers
14
Active
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How do I clear only a few specific objects from the workspace?
... Henrik
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answered Aug 1 '12 at 15:00
PopPop
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Reverse / invert a dictionary mapping
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edited Oct 14 '16 at 16:21
Dave Lasley
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Python idiom to return first item or None
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If your_list can be None:
next(iter(your_list or []), None)
Python 2.4
def get_first(iterable, default=None):
if iterable:
for item in iterable:
return item
return default
Example:
x = get_first(get_first_list())
if x:
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y = get_first(get_second_list())
if...
Access POST values in Symfony2 request object
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timaschewtimaschew
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Virtual/pure virtual explained
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344
From Wikipedia's Virtual function
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In object-oriented programming, in languages such as ...
What's a good way to extend Error in JavaScript?
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224
The only standard field Error object has is the message property. (See MDN, or EcmaScript Langua...
