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Class method differences in Python: bound, unbound and static
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In Python, there is a distinction between bound and unbound methods.
Basically, a call to a member function (like method_one), a bound function
a_test.method_one()
is translated to
Test.method_one(a_test)
i.e. a call to ...
Python __str__ and lists
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Calling string on a python list calls the __repr__ method on each element inside. For some items, __str__ and __repr__ are the same. If you want that behavior, do:
def __str__(self):
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def __repr__(self):
return self.__str__()
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nonlocal keyword in Python 2.x
I'm trying to implement a closure in Python 2.6 and I need to access a nonlocal variable but it seems like this keyword is not available in python 2.x. How should one access nonlocal variables in closures in these versions of python?
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What is memoization and how can I use it in Python?
I just started Python and I've got no idea what memoization is and how to use it. Also, may I have a simplified example?
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How can I discover the “path” of an embedded resource?
...}
The following call:
GetResourceFileStream("my.namespace", "resources\\xml\\my.xml")
will return the stream of my.xml located in the folder-structure resources\xml in the name space: my.namespace.
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How do I specify new lines on Python, when writing on files?
...ge. (It's actually called linesep.)
Note: when writing to files using the Python API, do not use the os.linesep. Just use \n; Python automatically translates that to the proper newline character for your platform.
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Accessing Object Memory Address
When you call the object.__repr__() method in Python you get something like this back:
9 Answers
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What is the Python equivalent of static variables inside a function?
What is the idiomatic Python equivalent of this C/C++ code?
26 Answers
26
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What is the proper way to re-throw an exception in C#? [duplicate]
...e particularly useful to catch and re-throw an exception in some recursive XML deserialization code. If I catch and then do throw new Exception( string.Format("while deserializing the element {0}", element.Name), ex ); then if I get a crash deep in the XML parsing, the top level exception handler p...
Python import csv to list
...s the second line', 'Line2'), ('This is the third line', 'Line3')]
Old Python 2 answer, also using the csv module:
import csv
with open('file.csv', 'rb') as f:
reader = csv.reader(f)
your_list = list(reader)
print your_list
# [['This is the first line', 'Line1'],
# ['This is the secon...