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Does :before not work on img elements?

I'm trying to use the :before selector to place an image over another image, but I'm finding that it simply doesn't work to place an image before an img element, only some other element. Specifically, my styles are: ...
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How to list branches that contain a given commit?

...ranches, unless there are too many, in which case it just says "many (38)" or something like that. I need to know the full list, or at least whether certain branches contain the commit. ...
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Add a duration to a moment (moment.js)

... I think you missed a key point in the documentation for .add() Mutates the original moment by adding time. You appear to be treating it as a function that returns the immutable result. Easy mistake to make. :) If you use the return value, it is the same actual object a...
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jQuery table sort

...u want to avoid all the bells and whistles then may I suggest this simple sortElements plugin. Usage: var table = $('table'); $('.sortable th') .wrapInner('<span title="sort this column"/>') .each(function(){ var th = $(this), thIndex = th.index(), in...
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How to check if element has any children in Javascript?

... couple of ways: if (element.firstChild) { // It has at least one } or the hasChildNodes() function: if (element.hasChildNodes()) { // It has at least one } or the length property of childNodes: if (element.childNodes.length > 0) { // Or just `if (element.childNodes.length)` //...
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Is string in array?

... For some reason when I first looked for the method I couldn't find it...thanks. – Brad Feb 1 '09 at 17:28 ...
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How can I remove a style added with .css() function?

...e property to an empty string appears to do the job: $.css("background-color", ""); share | improve this answer | follow | ...
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How do I cast a variable in Scala?

...cs of the asInstanceOf[Graphics2D] method, but with greater flexibility. For example, you could provide different branches for various types, effectively performing multiple conditional casts at the same time. Finally, you don't really need to throw an exception in the catch-all area, you could al...
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In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?

simple question, but its been nagging me for a while now.... 4 Answers 4 ...
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All but last element of Ruby array

... # => [1, 2, 3, 4] a.first a.size - 1 # => [1, 2, 3] or a.take 3 or a.first 3 or a.pop which will return the last and leave the array with everything before it or make the computer work for its dinner: a.reverse.drop(1).reverse or class Array def clip n=1 ta...