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how to check if a file is a directory or regular file in python? [duplicate]
... @cs95, You're going to have to check if the file exists first, and then check if it is a directory. If a file doesn't exist, it can't be a directory anyway! You're looking for os.path.exists: docs.python.org/3/library/os.path.html#os.path.exists
– b4ux1t3
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Object-orientation in C
...It tries to keep minimal the available concepts for the sake of simplicity and flexibility: uniform object oriented programming including open classes, metaclasses, property metaclasses, generics, multimethods, delegation, ownership, exceptions, contracts and closures. There is a draft paper (PDF) ...
Ruby function to remove all white spaces?
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If you want to remove only leading and trailing whitespace (like PHP's trim) you can use .strip, but if you want to remove all whitespace, you can use .gsub(/\s+/, "") instead .
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AttributeError: 'module' object has no attribute 'tests'
I'm running this command:
11 Answers
11
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Android List View Drag and Drop sort
...ords in a listview that I want the user to be able to re-sort using a drag and drop method. I have seen this implemented in other apps, but I have not found a tutorial for it. It must be something that others need as well. Can anyone point me to some code for doing this?
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Add Foreign Key to existing table
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Reasons help me understand and remember. This is because you can't add a foreign key to an non-unsigned field, correct?
– PixMach
Sep 28 '15 at 21:25
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How do I combine a background-image and CSS3 gradient on the same element?
How do I use CSS3 gradients for my background-color and then apply a background-image to apply some sort of light transparent texture?
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How do I access the $scope variable in browser's console using AngularJS?
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Pick an element in the HTML panel of the developer tools and type this in the console:
angular.element($0).scope()
In WebKit and Firefox, $0 is a reference to the selected DOM node in the elements tab, so by doing this you get the selected DOM node scope printed out in the conso...
HTTP authentication logout via PHP
...omes from the HTTP specification (section 15.6):
Existing HTTP clients and user agents typically retain authentication
information indefinitely. HTTP/1.1. does not provide a method for a
server to direct clients to discard these cached credentials.
On the other hand, section 10.4.2 say...
Max return value if empty query
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I know this is an old question and the accepted answer works, but this question answered my question about whether such an empty set would result in an exception or a default(int) result.
The accepted answer however, while it does work, isn't the ideal so...
