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How can I find script's directory with Python? [duplicate]

... You need to call os.path.realpath on __file__, so that when __file__ is a filename without the path you still get the dir path: import os print(os.path.dirname(os.path.realpath(__file__))) ...
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__init__ for unittest.TestCase

... Try this: class TestingClass(unittest.TestCase): def __init__(self, *args, **kwargs): super(TestingClass, self).__init__(*args, **kwargs) self.gen_stubs() You are overriding the TestCase's __init__, so you might want to let the base class handle the arguments ...
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Difference between String replace() and replaceAll()

...1 Replace all occurrences of the character x with o. String myString = "__x___x___x_x____xx_"; char oldChar = 'x'; char newChar = 'o'; String newString = myString.replace(oldChar, newChar); // __o___o___o_o____oo_ Example 2 Replace all occurrences of the string fish with sheep. String mySt...
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How to change a module variable from another module?

...oo, not the actual value. Try to import bar.py directly with import bar in __init__.py and conduct your experiment there by setting bar.a = 1. This way, you will actually be modifying bar.__dict__['a'] which is the 'real' value of a in this context. It's a little convoluted with three layers but ba...
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What does “#define _GNU_SOURCE” imply?

... Defining _GNU_SOURCE has nothing to do with license and everything to do with writing (non-)portable code. If you define _GNU_SOURCE, you will get: access to lots of nonstandard GNU/Linux extension functions access to traditional fu...
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How do I create a constant in Python?

...f you are in a class, the equivalent would be: class Foo(object): CONST_NAME = "Name" if not, it is just CONST_NAME = "Name" But you might want to have a look at the code snippet Constants in Python by Alex Martelli. As of Python 3.8, there's a typing.Final variable annotation that will tell ...
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Mac zip compress without __MACOSX folder?

... built in zip compressor in Mac OSX, it results in an extra folder titled "__MACOSX" created in the extracted zip. 13 Answe...
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What is the difference between old style and new style classes in Python?

...o the concept of type: if x is an instance of an old-style class, then x.__class__ designates the class of x, but type(x) is always <type 'instance'>. This reflects the fact that all old-style instances, independently of their class, are implemented with a single built-in type, c...
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how to change any data type into a string in python

... you're writing your own class and you want str to work for you, add: def __str__(self): return "Some descriptive string" print str(myObj) will call myObj.__str__(). repr is a similar method, which generally produces information on the class info. For most core library object, repr produces ...
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How can I handle time zones in my webapp?

...s ambiguously used. This looks like a reference: en.wikipedia.org/wiki/Tz_database From what I can tell a "timezone" is "Area/Location", e.g. "America/New_York". That appears to be geographic which is great because for instance America/Los_Angeles means BOTH PST and PDT depending on whether the ...