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ActiveModel::ForbiddenAttributesError when creating new user

I have this model in Ruby but it throws a ActiveModel::ForbiddenAttributesError 7 Answers ...
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Scala list concatenation, ::: vs ++

Is there any difference between ::: and ++ for concatenating lists in Scala? 4 Answers ...
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What does the 'L' in front a string mean in C++?

Although it seems to work without the L , what is the purpose of the prefix? The way it is used doesn't even make sense to a hardcore C programmer. ...
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How to debug Apache mod_rewrite

I have two main problems with mod_rewrite: 5 Answers 5 ...
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Local file access with JavaScript

Is there local file manipulation that's been done with JavaScript? I'm looking for a solution that can be accomplished with no install footprint like requiring Adobe AIR . ...
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Url.Action parameters?

In listing controller I have, 4 Answers 4 ...
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Catching multiple exception types in one catch block

I'd like a cleaner way to obtain the following functionality, to catch AError and BError in one block: 11 Answers ...
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How does zip(*[iter(s)]*n) work in Python?

How does zip(*[iter(s)]*n) work? What would it look like if it was written with more verbose code? 6 Answers ...
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Finding Number of Cores in Java

How can I find the number of cores available to my application from within Java code? 4 Answers ...
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How to grep a text file which contains some binary data?

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