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What is a clean, pythonic way to have multiple constructors in Python?

...ionary of named arguments self.num_holes = kwargs.get('num_holes',random_holes()) To better explain the concept of *args and **kwargs (you can actually change these names): def f(*args, **kwargs): print 'args: ', args, ' kwargs: ', kwargs >>> f('a') args: ('a',) kwargs: {}...
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How to serialize SqlAlchemy result to JSON?

... {} for field in [x for x in dir(obj) if not x.startswith('_') and x != 'metadata']: data = obj.__getattribute__(field) try: json.dumps(data) # this will fail on non-encodable values, like other classes fields[field]...
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What is the purpose of the single underscore “_” variable in Python?

...nt) in an interactive interpreter session. This precedent was set by the standard CPython interpreter, and other interpreters have followed suit As a general purpose "throwaway" variable name to indicate that part of a function result is being deliberately ignored (Conceptually, it is being discarde...
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Get class that defined method

... else: classes = list(c.__bases__) + classes return None And the Example: >>> class A(object): ... def test(self): pass >>> class B(A): pass >>> class C(B): pass >>> class D(A): ... def test(self): print 1 >>> class E(D,C): pass...
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Is .NET/Mono or Java the better choice for cross-platform development? [closed]

...h platforms (as are other .NET languages like Nemerle, Boo, and Phalanger (PHP) ). Mono ships with a lot of the actual Microsoft written code including the Dynamic Language Runtime (DLR), Managed Extensibility Framework (MEF), F#, and ASP.NET MVC. Because Razor is not Open Source, Mono currently sh...
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How to access outer class from an inner class?

...e the nesting does not imply any particular relationship between the inner and outer classes. share | improve this answer | follow | ...
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ValidateAntiForgeryToken purpose, explanation and example

Could you explain ValidateAntiForgeryToken purpose and show me example about ValidateAntiForgeryToken in MVC 4? 4 Answe...
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What exactly does += do in python?

... that simple. I also would appreciate links to definitions of other short hand tools in python. 14 Answers ...
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Node.js - getting current filename

How to get current file name, function name and line number? 8 Answers 8 ...
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MIN and MAX in C

Where are MIN and MAX defined in C, if at all? 14 Answers 14 ...