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How do I check if an element is hidden in jQuery?

... It is the same as twernt's suggestion, but applied to a single element; and it matches the algorithm recommended in the jQuery FAQ. We use jQuery's is() to check the selected element with another element, selector or any jQuery object. This method traverses along the DOM elements to find a match...
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Setting Objects to Null/Nothing after use in .NET

... you. I thought this was a good treatment: Digging into IDisposable and this Understanding IDisposable There isn't any point in trying to second guess the GC and its management strategies because it's self tuning and opaque. There was a good discussion about the inner workings with Je...
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calling non-static method in static method in Java [duplicate]

... @EJP For security purposes, and this is what I do with my project, in the case of dependency injection, it is useful to only have initialization code be instantiated for initialization, and not at the arbitrary discretion of code using my API. Thus, whe...
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.gitignore is ignored by Git

...t your current changes, or you will lose them. Then run the following commands from the top folder of your Git repository: git rm -r --cached . git add . git commit -m "fixed untracked files" share | ...
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Does Python SciPy need BLAS?

... The SciPy webpage used to provide build and installation instructions, but the instructions there now rely on OS binary distributions. To build SciPy (and NumPy) on operating systems without precompiled packages of the required libraries, you must build and then st...
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Does have to be in the of an HTML document?

... style tags need to be inside the head of an HTML document? The 4.01 standard implies that, but it's not explicitly stated: ...
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Python Dictionary Comprehension

...to add keys to an existing dictionary. Also, you have to specify the keys and values, although of course you can specify a dummy value if you 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: >>>...
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How do I generate random integers within a specific range in Java?

How do I generate a random int value in a specific range? 66 Answers 66 ...
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sed one-liner to convert all uppercase to lowercase?

....txt > output.txt for GNU sed works fine too – Asfand Qazi Apr 13 '17 at 8:49 1 @ekkis OSX is ...
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javascript i++ vs ++i [duplicate]

In javascript I have seen i++ used in many cases, and I understand that it adds one to the preceding value: 8 Answers ...