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If table exists drop table then create it, if it does not exist just create it

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What's the difference between globals(), locals(), and vars()?

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How to detect total available/free disk space on the iPhone/iPad device?

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How to get indices of a sorted array in Python

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Casting vs using the 'as' keyword in the CLR

...re now, not having thought of using a nullable type and as together :) EDIT: Note that none of the above talks about performance, other than the value type case, where I've noted that unboxing to a nullable value type is actually slower - but consistent. As per naasking's answer, is-and-cast or...
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Django Passing Custom Form Parameters to Formset

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String concatenation: concat() vs “+” operator

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python design patterns [closed]

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How to find memory leak in a C++ code/project?

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How to automatically generate N “distinct” colors?

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