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Make Div overlay ENTIRE page (not just viewport)?

... The viewport is all that matters, but you likely want the entire website to stay darkened even while scrolling. For this, you want to use position:fixed instead of position:absolute. Fixed will keep the element static on the screen as you sc...
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Using DNS to redirect to another URL with a path [closed]

...mail.foo.com" under Properties -> Static Website Hosting, set "redirect all requests to: mail.google.com/a/foo.com" in route53, create an A record "mail.foo.com" enable "alias", and set alias target to the "mail.foo.com" bucket not a pure DNS solution, but it works ;) But be aware of, the redi...
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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash

...ere’s a hint: h[42] #=> ["a", "b"] The array returned by each [] call is just the default value, which we’ve been mutating all this time so now contains our new values. Since << doesn’t assign to the hash (there can never be assignment in Ruby without an = present†), we’ve nev...
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Preloading images with jQuery

...(see link). It looks like '$('<img src="' + this + '" />') would actually create the element within a hidden DIV, because it is more "complicated". However, I don't think this is needed for most browsers. – JoshNaro Feb 11 '11 at 15:30 ...
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How can I configure NetBeans to insert tabs instead of a bunch of spaces?

...herent values for "Number of Spaces per indent" and "Tab Size". Additionally, you can check all the items in the Language combo and make sure they all use the general setting. You can also change it in a per-project fashion. Right click on the project icon, select Properties and review the For...
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CoffeeScript on Windows?

...y platform. The instructions are the same for Windows, Mac, or Linux Install Nodejs from http://nodejs.org/ Install CoffeeScript globally with the node package manager npm install -g coffeescript or locally npm install --save-dev coffeescript Write a script in your favourite text editor. Save it, ...
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If list index exists, do X

... that relative index from the end of the list... However, by definition, all items in a Python list between 0 and len(the_list)-1 exist (i.e., there is no need for a try, except if you know 0 <= index < len(the_list)). You can use enumerate if you want the indexes between 0 and the last el...
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In which order do CSS stylesheets override?

... Actually, !important participates directly in the cascade, and has nothing to do with specificity. Specificity is related to selectors, whereas !important is used with property declarations. (So you're right in saying that the ru...
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Rails: How to reference images in CSS within Rails 4

... don't have the proper name adjusted. Here's what I mean. I have a file called logo.png. Yet when it shows up on heroku it is viewed as: ...
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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)

...in BCNF because there is no column (either key or non-key) that is functionally dependent on anything besides that key. Because each pizza must have exactly one of each topping type, we know that (Pizza, Topping Type) is a candidate key. We also know intuitively that a given topping cannot belong ...