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Creating a singleton in Python
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class Logger(object):
__metaclass__ = Singleton
Or in Python3
class Logger(metaclass=Singleton):
pass
If you want to run __init__ every time the class is called, add
else:
cls._instances[cls].__init__(*args, **kwargs)
to the if statement in Singleton.__call__...
Current location permission dialog disappears too quickly
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edited Mar 26 '13 at 7:05
Girish
5,07844 gold badges3232 silver badges5353 bronze badges
answe...
Delete multiple remote branches in git
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answered May 11 '12 at 16:36
neevekneevek
10.5k77 gold badges4848 silver badges6868 bronze badges
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Why are empty strings returned in split() results?
... John La RooyJohn La Rooy
249k4646 gold badges326326 silver badges469469 bronze badges
11
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UITextView that expands to text using auto layout
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30
The view containing UITextView will be assigned its size with setBounds by AutoLayout. So, this...
Allowed characters in Linux environment variable names
...='. For values to be
portable across systems conforming to
IEEE Std 1003.1-2001, the value shall
be composed of characters from the
portable character set (except NUL
and as indicated below).
So names may contain any character except = and NUL, but:
Environment variable names used by...
Convert python datetime to epoch with strftime
...e.datetime(2012,04,01,0,0) - datetime.datetime(1970,1,1)).total_seconds()
1333238400.0
In Python 3.3+ you can use timestamp() instead:
>>> datetime.datetime(2012,4,1,0,0).timestamp()
1333234800.0
Why you should not use datetime.strftime('%s')
Python doesn't actually support %s as an...
How can my iphone app detect its own version number?
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223
As I describe here, I use a script to rewrite a header file with my current Subversion revision ...
How can I post data as form data instead of a request payload?
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answered Jul 11 '12 at 23:31
mjibsonmjibson
16.4k77 gold badges2727 silver badges3838 bronze badges
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Eclipse: How do i refresh an entire workspace? F5 doesn't do it
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103
It will indeed only refresh the current project (or, more specifically, the current selection in...