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Run function from the command line
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With the -c (command) argument (assuming your file is named foo.py):
$ python -c 'import foo; print foo.hello()'
Alternatively, if you don't care about namespace pollution:
$ python -c 'from foo import *; print hello()'
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Is module __file__ attribute absolute or relative?
... __file__ is the pathname of the file from which the module was loaded, if it was loaded from a file. The __file__ attribute is not present for C modules that are statically linked into the interpreter; for extension modules loaded dynamically from a shared library, it is the pathname of the shared ...
Python: Bind an Unbound Method?
In Python, is there a way to bind an unbound method without calling it?
5 Answers
5
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How do I get the number of elements in a list?
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The len() function can be used with several different types in Python - both built-in types and library types. For example:
>>> len([1,2,3])
3
Official 2.x documentation is here: len()
Official 3.x documentation is here: len()
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C Macro definition to determine big endian or little endian machine?
Is there a one line macro definition to determine the endianness of the machine. I am using the following code but converting it to macro would be too long.
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How to reliably open a file in the same directory as a Python script
... documentation says that if some path is absolute, all other paths left of it are dropped. Therefore, getcwd() is dropped when dirname(__file__) returns an absolute path.
Also, the realpath call resolves symbolic links if any are found. This avoids troubles when deploying with setuptools on Linux sy...
Why does Python code use len() function instead of a length method?
...on that is used to determine the size of a string, but I was wondering why it's not a method of the string object.
9 Answer...
Pandas selecting by label sometimes return Series, sometimes returns DataFrame
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Granted that the behavior is inconsistent, but I think it's easy to imagine cases where this is convenient. Anyway, to get a DataFrame every time, just pass a list to loc. There are other ways, but in my opinion this is the cleanest.
In [2]: type(df.loc[[3]])
Out[2]: pandas.core...
When are C++ macros beneficial? [closed]
The C preprocessor is justifiably feared and shunned by the C++ community. In-lined functions, consts and templates are usually a safer and superior alternative to a #define .
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Node.js - getting current filename
...follow
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edited Mar 6 '15 at 16:27
answered Feb 4 '15 at 10:31
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