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What is an alternative to execfile in Python 3?

...me on Python3.3. I get "No such file or directory" when I exec(open('./some_file').read()). I have tried including the '.py' extension and also excluding the './' as well – JoeyC Feb 20 '14 at 0:20 ...
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Make a div fill up the remaining width

...t. Here you can notice that the middle element (in our case, with "content__middle" class) does not have any dimensional property specified - no width, nor padding, nor margin related property at all - but only an overflow: auto; (see note 1). The great advantage is that now you can specify a max-...
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How to import a module given its name as string?

...hat's pretty much how you do it. For newer versions, see importlib.import_module for Python 2 and and Python 3. You can use exec if you want to as well. Or using __import__ you can import a list of modules by doing this: >>> moduleNames = ['sys', 'os', 're', 'unittest'] >>> m...
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Can I use __init__.py to define global variables?

...modules of a package. I've thought that the best place would be in in the __init__.py file of the root package. But I don't know how to do this. Suppose I have a few subpackages and each with several modules. How can I access that variable from these modules? ...
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Why is using 'eval' a bad practice?

..." attsToStore=('Name', 'Artist', 'Album', 'Genre', 'Location') def __init__(self): for att in self.attsToStore: setattr(self, att.lower(), None) def setDetail(self, key, val): if key in self.attsToStore: setattr(self, key.lower(), val) EDIT: The...
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Does Flask support regular expressions in its URL routing?

...flask import Flask from werkzeug.routing import BaseConverter app = Flask(__name__) class RegexConverter(BaseConverter): def __init__(self, url_map, *items): super(RegexConverter, self).__init__(url_map) self.regex = items[0] app.url_map.converters['regex'] = RegexConverter ...
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How does JavaScript .prototype work?

...reation), and The standardized accessor (ie. getter/setter) property named __proto__ (similar to 4.) Object.getPrototypeOf and Object.setPrototypeOf are preferred over __proto__, in part because the behavior of o.__proto__ is unusual when an object has a prototype of null. An object's [[Prototype...
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How to decorate a class?

...r specific scenario, YMMV :-) What you're thinking of is a metaclass. The __new__ function in a metaclass is passed the full proposed definition of the class, which it can then rewrite before the class is created. You can, at that time, sub out the constructor for a new one. Example: def substitu...
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How do I find the location of Python module sources?

... For a pure python module you can find the source by looking at themodule.__file__. The datetime module, however, is written in C, and therefore datetime.__file__ points to a .so file (there is no datetime.__file__ on Windows), and therefore, you can't see the source. If you download a python sour...
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How to get everything after a certain character?

...then substr grabs everything from that index plus 1, onwards. $data = "123_String"; $whatIWant = substr($data, strpos($data, "_") + 1); echo $whatIWant; If you also want to check if the underscore character (_) exists in your string before trying to get it, you can use the following: i...