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Abstract methods in Python [duplicate]

...mething along these lines, using ABC import abc class Shape(object): __metaclass__ = abc.ABCMeta @abc.abstractmethod def method_to_implement(self, input): """Method documentation""" return Also read this good tutorial: http://www.doughellmann.com/PyMOTW/abc/ You can...
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How do I get Pyflakes to ignore a statement?

... worked around, if you're wondering: try: from unittest.runner import _WritelnDecorator _WritelnDecorator; # workaround for pyflakes issue #13 except ImportError: from unittest import _WritelnDecorator Substitude _unittest and _WritelnDecorator with the entities (modules, function...
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How do you programmatically set an attribute?

...t: >>> help(setattr) Help on built-in function setattr in module __builtin__: setattr(...) setattr(object, name, value) Set a named attribute on an object; setattr(x, 'y', v) is equivalent to ``x.y = v''. Edit: However, you should note (as pointed out in a comment) that you...
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Comparing two NumPy arrays for equality, element-wise

... or simply want to be safe: use one of the specialized functions: np.array_equal(A,B) # test if same shape, same elements values np.array_equiv(A,B) # test if broadcastable shape, same elements values np.allclose(A,B,...) # test if same shape, elements have close enough values ...
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Specifying rails version to use when creating a new application

...option to create a new application using an older version of Rails. rails _2.1.0_ new myapp share | improve this answer | follow | ...
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Getting SyntaxError for print with keyword argument end=' '

I have this python script where I need to run gdal_retile.py , but I get an exception on this line: 14 Answers ...
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Can I use Objective-C blocks as properties?

... I didn't know that, thanks! ... Although I often do @synthesize myProp = _myProp – Robert Nov 8 '12 at 8:04 ...
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How to Execute SQL Server Stored Procedure in SQL Developer?

... You don't need EXEC clause. Simply use proc_name paramValue1, paramValue2 (and you need commas as Misnomer mentioned) share | improve this answer | ...
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?

...ard C Preprocessor $ cat xx.c #define VARIABLE 3 #define PASTER(x,y) x ## _ ## y #define EVALUATOR(x,y) PASTER(x,y) #define NAME(fun) EVALUATOR(fun, VARIABLE) extern void NAME(mine)(char *x); $ gcc -E xx.c # 1 "xx.c" # 1 "<built-in>" # 1 "<command-line>" # 1 "xx.c" extern void mi...
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What is the list of supported languages/locales on Android?

... Updated list as of Android 5.1: af_ [Afrikaans] af_NA [Afrikaans (Namibia)] af_ZA [Afrikaans (South Africa)] agq_ [Aghem] agq_CM [Aghem (Cameroon)] ak_ [Akan] ak_GH [Akan (Ghana)] am_ [Amharic] am_ET [Amharic (Ethiopia)] ar_ [Arabic] ar_001 [Arabic (World)] a...