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How to get first element in a list of tuples?

... I tried it. It gives this error: int() argument must be a string or a number, not 'QuerySet' – wasimbhalli Aug 27 '12 at 12:50 4 ...
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“Inner exception” (with traceback) in Python?

... raise. import sys class MyException(Exception): pass try: raise TypeError("test") except TypeError, e: raise MyException(), None, sys.exc_info()[2] Always do this when catching one exception and re-raising another. ...
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How can I combine hashes in Perl?

What is the best way to combine both hashes into %hash1? I always know that %hash2 and %hash1 always have unique keys. I would also prefer a single line of code if possible. ...
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What is the purpose of willSet and didSet in Swift?

Swift has a property declaration syntax very similar to C#'s: 11 Answers 11 ...
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“git diff” does nothing

I presume this is a configuration error somewhere, but I can't figure out where. Regular git commands appear to work fine, but "git diff" does nothing. To be safe, I removed external diff tools from my .gitconfig file. This was installed via MacPorts and is the lates version (1.7.2.2). ...
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How can I list ALL DNS records?

Is there any way I can list ALL DNS records for a domain? 8 Answers 8 ...
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Hidden Features of ASP.NET [closed]

... not found"); This will be caught by ASP.NET which will return the customErrors page. Learned about this one in a recent .NET Tip of the Day Post share answered Sep 10 '08 a...
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How do I revert a Git repository to a previous commit?

...one of the commits between 0766c053..HEAD is a merge then there will be an error popping up (to do with no -m specified). This may help those encountering that: stackoverflow.com/questions/5970889/… – timhc22 Nov 21 '14 at 11:55 ...
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Do I need to disable NSLog before release Application?

... Id not take logging out as it robs you of the ability to receive better error reports from users. use async logging and logLevels to limit the performance hit to almost zero! (see cocoa lumberjack or java's log4j – Daij-Djan Jan 30 '13 at 16:57 ...
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datetime dtypes in pandas read_csv

... I was having error as I was passing single string name of column, now I understand that I needed to pass list for a single value also. – TapanHP Jul 12 '19 at 10:40 ...