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Difference between abstract class and interface in Python

...havior of sets: >>> MySet() Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: Can't instantiate abstract class MySet with abstract methods __contains__, __iter__, __len__ So we are required to implement at least __contains__, __iter__, and _...
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Detecting Windows or Linux? [duplicate]

... if(File.separatorChar == '\\') windows = true; – Ray Hulha Nov 3 '15 at 11:11 5 ...
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Remove excess whitespace from within a string

...move all HTML tags, carriage returns and newlines before I put it in a CSV file. Only thing is, I can't find a way to remove the excess white space from between the strings. ...
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Hash and salt passwords in C#

...g conversions - which the membership provider does to put them into config files. Hashes and salts are binary blobs, you don't need to convert them to strings unless you want to put them into text files. In my book, Beginning ASP.NET Security, (oh finally, an excuse to pimp the book) I do the foll...
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How to check if a path is absolute path or relative path in cross platform way with Python?

...ectly clear to anyone else who might find this: `c:\` is a perfectly valid file/directory name in unix. So, it would really be a relative path on a unix system. Hence, the function is cross-platform. Because, it takes the specialties of Windows and Unix into account. – Lemming ...
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How to uncheck checkbox using jQuery Uniform library

... @mkoryak: Works fine in 1.4.4, but the links to the js and css files were broken. Here's an updated fiddle. If you mean that it'll have issues specifically in 1.6, then that's probably true since jQuery changed then reverted behavior of .attr(). Using 1.6 or higher, you should really be ...
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Color Tint UIButton Image

... As a side note, the image file should be black and transparent (not b&w) – Axel Guilmin Feb 25 '16 at 16:02 6 ...
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Enable the display of line numbers in Visual Studio

Why doesn't Visual Studio have any way of showing line numbers in a source file? Is there any way to enable it, or a plugin for it? I know that the number of lines of code in a program doesn't matter, but sometimes it is nice to know how long a program is or the number of a particular line for refer...
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“A project with an Output type of Class Library cannot be started directly”

...Hey James, Okay I have added a new project in the same solution. A new .cs file is created which has a main function. Now what should I reference to. To the dll you mean? When I right click on the references tab, I get a Add Reference window. – HaggarTheHorrible ...
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How to view/delete local storage in Firefox?

... the current storage } catch (e) { if (e.name == "NS_ERROR_FILE_CORRUPTED") { storage = sessionStorage ? sessionStorage : null;//set the new storage if fails } } } share | ...