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Select elements by attribute

...he above will fall into the else-branch when myattr exists but is an empty string or "0". If that's a problem you should explicitly test on undefined: if ($('#A').attr('myattr') !== undefined) { // attribute exists } else { // attribute does not exist } ...
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Why do I get “unresolved external symbol” errors when using templates? [duplicate]

... @jbx I'm saying that for things like basic_string<T> you're only ever going to be using it with char or wchar_t so if putting all the implementation in the header is a concern, instantiating it in the cpp is an option. The code is yours to command, not vice-ver...
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How can I make Bootstrap columns all the same height?

...where as the wildcard shown will match any class with col- anywhere in the string, possibly having undesired effects on styles where you may have used the convention col-. (i.e. stuff-col-morestuff). – LiquaFoo Jun 5 '14 at 16:46 ...
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Match whole string

...ct match? That is, there should be no extra characters at other end of the string. 3 Answers ...
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How to create a drop shadow only on one side of an element?

..."></div> UPDATE 3 All my previous answers have been using extra markup to get create this effect, which is not necessarily needed. I think this a much cleaner solution... the only trick is playing around with the values to get the right positioning of the shadow as well as the right...
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How can I play sound in Java?

...y works with .wav format. public static synchronized void playSound(final String url) { new Thread(new Runnable() { // The wrapper thread is unnecessary, unless it blocks on the // Clip finishing; see comments. public void run() { try { Clip clip = AudioSystem.getClip(); ...
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Zip lists in Python

..., 'a'), (2, 'b'), (3, 'c')] Input Zero or more iterables [1] (ex. list, string, tuple, dictionary) Output (list) 1st tuple = (element_1 of numbers, element_1 of letters) 2nd tuple = (e_2 numbers, e_2 letters) … n-th tuple = (e_n numbers, e_n letters) List of n tuples:...
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What is the most elegant way to remove a path from the $PATH variable in Bash?

...ultiple elements: in the first case, it adds the current dir (as the empty string; a potential security hole), in the second case it adds ` ` as a path element. – Fred Foo Mar 13 '11 at 17:26 ...
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Unique ways to use the Null Coalescing operator [closed]

... Well, first of all, it's much easier to chain than the standard ternary: string anybody = parm1 ?? localDefault ?? globalDefault; vs. string anyboby = (parm1 != null) ? parm1 : ((localDefault != null) ? localDefault : globalDefault); It also works well if null-...
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@selector() in Swift?

...ed in the ObjC runtime). In that case, you can construct a Selector from a string: e.g. Selector("dynamicMethod:") — though you lose the compiler's validity checking. When you do that, you need to follow ObjC naming rules, including colons (:) for each parameter. Selector availability: The method ...