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How to hide one item in an Android Spinner

I am looking for a way to hide one item in an Android spinner widget. This would allow you to simulate a spinner with no items selected, and ensures that the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one ite...
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execJs: 'Could not find a JavaScript runtime' but execjs AND therubyracer are in Gemfile

... Ubuntu Users: I had the same problem and I fixed it by installing nodejson my system independent of the gem. on ubuntu its: sudo apt-get install nodejs I'm using 64bit ubuntu 11.10 update: From @Galina 's answer below I'm guessing that the latest version of ...
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When to use MongoDB or other document oriented database systems? [closed]

We offer a platform for video- and audio-clips, photos and vector-grafics. We started with MySQL as the database backend and recently included MongoDB for storing all meta-information of the files, because MongoDB better fits the requirements. For example: photos may have Exif information, video...
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How do I get ruby to print a full backtrace instead of a truncated one?

... Ah, I found out about that shortly after posting this answer and forgot to update it. Thanks – anonymous coward Jan 24 '12 at 10:53 ...
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Is it safe to push_back an element from the same vector?

...s problem (or something very similar to it) as a potential defect in the standard: 1) Parameters taken by const reference can be changed during execution of the function Examples: Given std::vector v: v.insert(v.begin(), v[2]); v[2] can be changed by moving elements of vect...
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text-overflow: ellipsis not working

... You need to have CSS overflow, width (or max-width), display, and white-space. http://jsfiddle.net/HerrSerker/kaJ3L/1/ span { border: solid 2px blue; white-space: nowrap; text-overflow: ellipsis; width: 100px; display: block; overflow: hidden } body { ov...
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Twitter Bootstrap - how to center elements horizontally or vertically

...ike: class="text-center" class="pagination-centered" thanks to @Henning and @trejder share | improve this answer | follow | ...
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Getting multiple keys of specified value of a generic Dictionary?

...tionary? Not that it is important or anything, just curious to if I understand things correctly here... – Svish Aug 4 '09 at 14:14 ...
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What is a correct mime type for docx, pptx etc?

...ication/vnd.ms-access For further details check out this TechNet article and this blog post. share | improve this answer | follow | ...
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Set database from SINGLE USER mode to MULTI USER

... Server Management Studio window itself. Try selecting the master database and running the ALTER query again. share | improve this answer | follow | ...