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Test whether a Ruby class is a subclass of another class

... webwurst 4,07222 gold badges1919 silver badges2929 bronze badges answered Dec 28 '10 at 11:11 Marcel JackwerthMa...
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Representing graphs (data structure) in Python

... answered Jun 10 '15 at 4:16 mVChrmVChr 45k77 gold badges9494 silver badges9595 bronze badges ...
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Python Dictionary Comprehension

... like. >>> d = {n: n**2 for n in range(5)} >>> print d {0: 0, 1: 1, 2: 4, 3: 9, 4: 16} If you want to set them all to True: >>> d = {n: True for n in range(5)} >>> print d {0: True, 1: True, 2: True, 3: True, 4: True} What you seem to be asking for is a way ...
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How to compare type of an object in Python?

... answered Apr 1 '09 at 23:07 anthonyanthony 36.3k55 gold badges4848 silver badges125125 bronze badges ...
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Checking if a folder exists (and creating folders) in Qt, C++

... answered Feb 11 '10 at 2:22 Kyle LutzKyle Lutz 7,49822 gold badges1717 silver badges2121 bronze badges ...
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How to check if a string starts with a specified string? [duplicate]

...Use the substr function to return a part of a string. substr( $string_n, 0, 4 ) === "http" If you're trying to make sure it's not another protocol. I'd use http:// instead, since https would also match, and other things such as http-protocol.com. substr( $string_n, 0, 7 ) === "http://" And in...
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jQuery: Adding two attributes via the .attr(); method

...ttribute, you must always use quotes! From the jQuery documentation (Sep 2016) for .attr: Attempting to change the type attribute on an input or button element created via document.createElement() will throw an exception on Internet Explorer 8 or older. Edit: For future reference... To get a sing...
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UITableView with fixed section headers

... 307 The headers only remain fixed when the UITableViewStyle property of the table is set to UITable...
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Flexbox not giving equal width to elements

... If you want your elements to be completely even, you can set flex-basis: 0. This will set the flex basis to 0 and then any remaining space (which will be all space since all basises are 0) will be proportionally distributed based on flex-grow. li { flex-grow: 1; flex-basis: 0; /* ......
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Can a dictionary be passed to django models on create?

... | edited Oct 15 '09 at 21:15 answered Oct 15 '09 at 10:49 ...