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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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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
4
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How can I find the current OS in Python? [duplicate]
As the title says, how can I find the current operating system in python?
5 Answers
5
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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
2
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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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What is the purpose of the word 'self'?
What is the purpose of the self word in Python? I understand it refers to the specific object created from that class, but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate, in Ruby I can do this:
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Read first N lines of a file in python
...cified size.
I am experienced in .net c#, however would like to do this in python to simplify things and out of interest.
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