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How can I open multiple files using “with open” in Python?

... 1082 As of Python 2.7 (or 3.1 respectively) you can write with open('a', 'w') as a, open('b', 'w') a...
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Set a persistent environment variable from cmd.exe

...s' that are displayed if you print the usage (setx /?), in particular: 2) On a local system, variables created or modified by this tool will be available in future command windows but not in the current CMD.exe command window. 3) On a remote system, variables created or modified by this too...
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty

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How can I limit possible inputs in a HTML5 “number” element?

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How can we print line numbers to the log in java

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How to format Joda-Time DateTime to only mm/dd/yyyy?

I have a string " 11/15/2013 08:00:00 ", I want to format it to " 11/15/2013 ", what is the correct DateTimeFormatter pattern? ...
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Make sure only a single instance of a program is running

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Is it better to use std::memcpy() or std::copy() in terms to performance?

... 211 I'm going to go against the general wisdom here that std::copy will have a slight, almost impe...
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How can I handle time zones in my webapp?

... answered Jun 7 '12 at 2:40 Niet the Dark AbsolNiet the Dark Absol 292k6666 gold badges411411 silver badges521521 bronze badges ...
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How to merge a transparent png image with another image using PIL

... 291 import Image background = Image.open("test1.png") foreground = Image.open("test2.png") backg...