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Tuples( or arrays ) as Dictionary keys in C#

I am trying to make a Dictionary lookup table in C#. I need to resolve a 3-tuple of values to one string. I tried using arrays as keys, but that did not work, and I don't know what else to do. At this point I am considering making a Dictionary of Dictionaries of Dictionaries, but that would proba...
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Java List.add() UnsupportedOperationException

I try to add objects to a List<String> instance but it throws an UnsupportedOperationException . Does anyone know why? ...
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Can you force Visual Studio to always run as an Administrator in Windows 8?

In Windows 7, you could go into a programs compatibility settings and check off to always run as an Administrator. Is there a similar option in Windows 8? ...
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How do I find the next commit in git? (child/children of ref)

ref^ refers to the commit before ref , what about getting the commit after ref ? 14 Answers ...
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Cannot read configuration file due to insufficient permissions

I've recently encountered an error trying to host my asp.net site with IIS. I have found a solution that many swear by. 40...
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Start a git commit message with a hashmark (#)

Git treats lines starting with # as comment lines when committing. this is very annoying when working with a ticket tracking system, and trying to write the ticket number at the beginning of the line, e.g. ...
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C++ catching all exceptions

Is there a c++ equivalent of Java's 15 Answers 15 ...
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Copy the entire contents of a directory in C#

I want to copy the entire contents of a directory from one location to another in C#. 22 Answers ...
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How can I check whether an array is null / empty?

I have an int array which has no elements and I'm trying to check whether it's empty. 13 Answers ...
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How to normalize an array in NumPy?

I would like to have the norm of one NumPy array. More specifically, I am looking for an equivalent version of this function ...