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How to make the python interpreter correctly handle non-ASCII characters in string operations?
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Python 2 uses ascii as the default encoding for source files, which means you must specify another encoding at the top of the file to use non-ascii unicode characters in literals. Python 3 uses utf-8 as the default encoding f...
Is it possible to make abstract classes in Python?
How can I make a class or method abstract in Python?
12 Answers
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How to initialize a two-dimensional array in Python?
I'm beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this:
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n-grams in python, four, five, six grams?
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Great native python based answers given by other users. But here's the nltk approach (just in case, the OP gets penalized for reinventing what's already existing in the nltk library).
There is an ngram module that people seldom use in n...
How to make a node.js application run permanently?
...When you are logged into your remote host on Putty you have started an SSH linux process and all commands typed from that SSH session will be executed as children of said process.
Your problem is that when you close Putty you are exiting the SSH session which kills that process and any active chi...
Convert string to Python class object?
Given a string as user input to a Python function, I'd like to get a class object out of it if there's a class with that name in the currently defined namespace. Essentially, I want the implementation for a function which will produce this kind of result:
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How to escape os.system() calls?
... or any other kind of nasty shell metacharacter.
Update: If you are using Python 3.3 or later, use shlex.quote instead of rolling your own.
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Capture characters from standard input without waiting for enter to be pressed
...getch(), which is declared deprecated in Visual C++.
curses available for Linux. Compatible curses implementations are available for Windows too. It has also a getch() function. (try man getch to view its manpage). See Curses at Wikipedia.
I would recommend you to use curses if you aim for cross...
Finding median of list in Python
How do you find the median of a list in Python? The list can be of any size and the numbers are not guaranteed to be in any particular order.
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Create a dictionary with list comprehension
I like the Python list comprehension syntax.
14 Answers
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