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Accessing dict keys like an attribute?
I find it more convenient to access dict keys as obj.foo instead of obj['foo'] , so I wrote this snippet:
27 Answers
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UML class diagram enum
...lared an attribute to be of type Integer. If your modeling tool has explicit support for enumerations, you should use that and only use the Class + <<enumeration>> stereotype notation as a fallback if necessary.
– Tom Morris
Feb 2 '12 at 17:11
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Can “using” with more than one resource cause a resource leak?
...lock for each variable.
The spec (§8.13) says:
When a resource-acquisition takes the form of a
local-variable-declaration, it is possible to acquire multiple
resources of a given type. A using statement of the form
using (ResourceType r1 = e1, r2 = e2, ..., rN = eN) statement
is pr...
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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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 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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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...