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How to darken a background using CSS?

I have an element with text in it. Whenever I decrease the opacity, then I decrease the opacity of the WHOLE body. Is there any way I can just make the background-image darker, and not everything else? ...
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Is there a difference between “==” and “is”?

... is will return True if two variables point to the same object, == if the objects referred to by the variables are equal. >>> a = [1, 2, 3] >>> b = a >>> b is a True >>> b == a True # Make a new copy of list `a` via the slice ...
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How to uncheck a radio button?

... of radio buttons that I want to uncheck after an AJAX form is submitted using jQuery. I have the following function: 17 An...
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jQuery AJAX file upload PHP

I want to implement a simple file upload in my intranet-page, with the smallest setup possible. 6 Answers ...
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Add table row in jQuery

What is the best method in jQuery to add an additional row to a table as the last row? 39 Answers ...
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Twitter Bootstrap - Tabs - URL doesn't change

I'm using Twitter Bootstrap and its "tabs". 15 Answers 15 ...
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How to load up CSS files using Javascript?

Is it possible to import css stylesheets into a html page using Javascript? If so, how can it be done? 18 Answers ...
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Is is possible to check if an object is already attached to a data context in Entity Framework?

I am getting the following error when trying to attach an object that is already attached to a given context via context.AttachTo(...) : ...
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Pagination on a list using ng-repeat

I'm trying to add pages to my list. I followed the AngularJS tutorial, the one about smartphones and I'm trying to display only certain number of objects. Here is my html file: ...
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Selecting all text in HTML text input when clicked

I have the following code to display a textbox in a HTML webpage. 22 Answers 22 ...