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HTML 5 Favicon - Support?

I was reading the Favicon page on Wikipedia. They mention the HTML 5 spec for Favicon: 2 Answers ...
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What are the differences between concepts and template constraints?

I want to know what are the semantic differences between the C++ full concepts proposal and template constraints (for instance, constraints as appeared in Dlang or the new concepts-lite proposal for C++1y ). ...
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overlay two images in android to set an imageview

I am trying to overlay two images in my app, but they seem to crash at my canvas.setBitmap() line. What am I doing wrong? ...
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What is the JSF resource library for and how should it be used?

The JSF <h:outputStylesheet> , <h:outputScript> and <h:graphicImage> components have a library attribute. What is this and how should this be used? There are a lot of examples on the web which use it as follows with the common content/file type css , js and img (or ima...
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How do I put a bunch of uncommitted changes aside while working on something else

If I have a bunch of uncommitted changes and want to set it aside while working on something else instead, and then later (f.i. after several days) come back to it and proceed working. What would be the easiest workflow to accomplish this? (So far I have only experience with Mercurial's basic functi...
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How to permanently export a variable in Linux?

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What's the $unwind operator in MongoDB?

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Possibility of duplicate Mongo ObjectId's being generated in two different collections?

Is it possible for the same exact Mongo ObjectId to be generated for a document in two different collections? I realize that it's definitely very unlikely, but is it possible? ...
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base64 encoded images in email signatures

I have to include some images (company logo's etc) in email signatures. I've had all sorts of issues using the embedded images produced by the email system in question (they get sent as attachments generally) and as linked images (requiring permission to display them in the email received). ...
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Easiest way to toggle 2 classes in jQuery

If I have class .A and class .B and want to switch in between on button click, what's a nice solution for that in jQuery? I still don't understand how toggleClass() works. ...