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Make multiple-select to adjust its height to fit options without scroll bar

Apparently this doesn't work: 16 Answers 16 ...
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Changing the case of a string in Eclipse

How do I make a lowercase string uppercase using Eclipse? I want to select a string and either uppercase it or lowercase it. Is there a shortcut for doing this? ...
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Equivalent of “throw” in R

...hrow" an error in R? I have a function that takes a data frame and some column names and does stuff with them. If the columns don't exist, I want the function to stop and to stop all functions depending on it. ...
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What's the best way to inverse sort in scala?

What is the best way to do an inverse sort in scala? I imagine the following is somewhat slow. 9 Answers ...
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Scala Programming for Android

I have followed the tutorial at Scala and Android with Scala 2.7.3 final. The resulting Android App works but even the most basic application takes several minutes (!) to compile and needs 900 kb compressed, which is a show stopper for mobile applications. Additionally, the IDE runs out of mem...
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What is the difference D3 datum vs. data?

Can someone please explain the difference between datum() and data() in D3.js? I see both being used and I am not sure why you should choose one over the other? ...
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How do you create nested dict in Python?

I have 2 CSV files: 'Data' and 'Mapping': 4 Answers 4 ...
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Creating a dynamic choice field

I'm having some trouble trying to understand how to create a dynamic choice field in django. I have a model set up something like: ...
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How does HTTP file upload work?

When I submit a simple form like this with a file attached: 5 Answers 5 ...
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How to express a NOT IN query with ActiveRecord/Rails?

Just to update this since it seems a lot of people come to this, if you are using Rails 4 look at the answers by Trung Lê` and VinniVidiVicci. ...