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Days between two dates? [duplicate]

What's the shortest way to see how many full days have passed between two dates? Here's what I'm doing now. 4 Answers ...
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How to do an update + join in PostgreSQL?

Basically, I want to do this: 9 Answers 9 ...
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Transpose/Unzip Function (inverse of zip)?

...! Provided you use the special * operator. >>> zip(*[('a', 1), ('b', 2), ('c', 3), ('d', 4)]) [('a', 'b', 'c', 'd'), (1, 2, 3, 4)] The way this works is by calling zip with the arguments: zip(('a', 1), ('b', 2), ('c', 3), ('d', 4)) … except the arguments are passed to zip directly (...
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Split function equivalent in T-SQL?

... split '1,2,3,4,5,6,7,8,9,10,11,12,13,14,15...' (comma delimited) into a table or table variable. 15 Answers ...
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Remove duplicate dict in list in Python

...where the tuples contain the items of the dictionary. Since the tuples can be hashed, you can remove duplicates using set (using a set comprehension here, older python alternative would be set(tuple(d.items()) for d in l)) and, after that, re-create the dictionaries from tuples with dict. where: ...
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What is the exact problem with multiple inheritance?

I can see people asking all the time whether multiple inheritance should be included into the next version of C# or Java. C++ folks, who are fortunate enough to have this ability, say that this is like giving someone a rope to eventually hang themselves. ...
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How to 'minify' Javascript code

JQuery has two versions for download, one is Production (19KB, Minified and Gzipped) , and the other is Development (120KB, Uncompressed Code) . ...
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Is short-circuiting logical operators mandated? And evaluation order?

Does the ANSI standard mandate the logical operators to be short-circuited, in either C or C++? 7 Answers ...
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ggplot2 keep unused levels barplot

I want to plot unused levels (that is, levels where the count is 0) in my bar-plot, however, unused levels are dropped and I cannot figure out how to keep them ...
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Are inline virtual functions really a non-sense?

...on when I received a code review comment saying virtual functions need not be inline. 13 Answers ...