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Is there a HTML opposite to ?

Is there a tag in HTML that will only display its content if JavaScript is enabled? I know <noscript> works the opposite way around, displaying its HTML content when JavaScript is turned off. But I would like to only display a form on a site if JavaScript is available, telling them why they ...
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Is there a (repeat-last-command) in Emacs?

Frequently, I've dug into apropos and docs looking for something like the following only to give up to get back to the task at hand: ...
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Converting a List to a comma separated string

Is there a way to take a List and convert it into a comma separated string? 8 Answers ...
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Storing sex (gender) in database

I want to store a user's gender in a database with as little (size/performance) cost as possible. 8 Answers ...
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What is cURL in PHP?

In PHP, I see the word cURL in many PHP projects. What is it? How does it work? 11 Answers ...
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Adding a directory to $LOAD_PATH (Ruby)

I have seen two commonly used techniques for adding the directory of the file currently being executed to the $LOAD_PATH (or $:). I see the advantages of doing this in case you're not working with a gem. One seems more verbose than the other, obviously, but is there a reason to go with one over the ...
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FFmpeg on Android

I have got FFmpeg compiled (libffmpeg.so) on Android. Now I have to build either an application like RockPlayer or use existing Android multimedia framework to invoke FFmpeg. ...
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How to pass a variable from Activity to Fragment, and pass it back?

I am currently making an android app, and I want to pass a date between activity and fragment. My activity has a button, which opens the fragment: DatePickerFragment. ...
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CSS text-overflow: ellipsis; not working?

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How to avoid passing parameters everywhere in play2?

In play1, I usually get all data in actions, use them directly in views. Since we don't need to explicitly declare parameters in view, this is very easy. ...