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Determine if variable is defined in Python [duplicate]
...rticular place in the code at runtime? This is not always obvious because (1) the variable could be conditionally set, and (2) the variable could be conditionally deleted. I'm looking for something like defined() in Perl or isset() in PHP or defined? in Ruby.
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How to encrypt/decrypt data in php?
...for this post we will be using AES-256-CBC which has a fixed block size of 16 bytes and a key size of either 16, 24 or 32 bytes.
Encryption key
A good encryption key is a binary blob that's generated from a reliable random number generator. The following example would be recommended (>= 5.3):
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How to include view/partial specific styling in AngularJS
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I know this question is old now, but after doing a ton of research on various solutions to thi...
Filtering for empty or NULL names in a queryset
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edited Aug 17 '17 at 21:14
answered May 10 '09 at 2:41
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Return a “NULL” object if search result not found
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In C++, references can't be null. If you want to optionally return null if nothing is found, you...
ASP.NET MVC View Engine Comparison
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ASP.NET MVC View Engines (Community Wiki)
Since a comprehensive list does not appear to exist, ...
How To: Execute command line in C#, get STD OUT results
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git: undo all working dir changes including new files
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iphone Core Data Unresolved error while saving
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answered Aug 16 '09 at 13:01
David WongDavid Wong
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Permanently add a directory to PYTHONPATH?
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