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How to import a module given its name as string?
I'm writing a Python application that takes as a command as an argument, for example:
11 Answers
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Using global variables in a function
...magine the reason for it is that, since global variables are so dangerous, Python wants to make sure that you really know that's what you're playing with by explicitly requiring the global keyword.
See other answers if you want to share a global variable across modules.
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The difference between fork(), vfork(), exec() and clone()
...for non-MMU platforms.
pthread_create() creates a new thread.
clone() is a Linux-specific call, which can be used to implement anything from fork() to pthread_create(). It gives a lot of control. Inspired on rfork().
rfork() is a Plan-9 specific call. It's supposed to be a generic call, allowing sev...
How to find all positions of the maximum value in a list?
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I hope that it contributes.
PD: As @PaulOyster noted in a comment. With Python 3.x the min and max allow a new keyword default that avoid the raise exception ValueError when argument is empty list. max(enumerate(list), key=(lambda x:x[1]), default = -1)
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How to write binary data to stdout in python 3?
In python 2.x I could do this:
4 Answers
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Create empty file using python [duplicate]
I'd like to create a file with path x using python. I've been using os.system(y) where y = 'touch %s' % (x) . I've looked for a non-directory version of os.mkdir , but I haven't been able to find anything. Is there a tool like this to create a file without opening it, or using system or popen/...
Is there a Python caching library?
I'm looking for a Python caching library but can't find anything so far. I need a simple dict -like interface where I can set keys and their expiration and get them back cached. Sort of something like:
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Hiding a password in a python script (insecure obfuscation only)
I have got a python script which is creating an ODBC connection. The ODBC connection is generated with a connection string. In this connection string I have to include the username and password for this connection.
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How to include a quote in a raw Python string
... to figure out. The limitations of different quoting styles. I'm comparing Python's r"raw string" and C#'s @"@-quoted string" and """triple quotes"""
– mpen
Jan 7 '11 at 21:41
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Real world example about how to use property feature in python?
I am interested in how to use @property in Python. I've read the python docs and the example there, in my opinion, is just a toy code:
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