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Pandas aggregate count distinct

... 3 Answers 3 Active ...
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Listing all permutations of a string/integer

... I found the pseudocode on http://www.programmersheaven.com/mb/Algorithms/369713/369713/permutation-algorithm-help/: makePermutations(permutation) { if (length permutation < required length) { for (i = min digit to max digit) { if (i not in permutation) { makePermutations(per...
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How to detect the currently pressed key?

... 163 if ((Control.ModifierKeys & Keys.Shift) != 0) This will also be true if Ctrl+Shift is dow...
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Get value of dynamically chosen class constant in PHP

... Brad 140k3737 gold badges282282 silver badges452452 bronze badges answered May 27 '11 at 2:20 Dan SimonDan Sim...
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T-SQL stored procedure that accepts multiple Id values

... 237 Erland Sommarskog has maintained the authoritative answer to this question for the last 16 year...
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How to overcome root domain CNAME restrictions?

... 63 The reason this question still often arises is because, as you mentioned, somewhere somehow some...
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How do I get a string format of the current date time, in python?

...t datetime >>> datetime.date.today().strftime("%B %d, %Y") 'July 23, 2010' >>> datetime.datetime.now().strftime("%I:%M%p on %B %d, %Y") '10:36AM on July 23, 2010' share | improve ...
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How to import existing *.sql files in PostgreSQL 8.4?

... | edited Aug 3 '10 at 6:38 answered Aug 3 '10 at 6:16 ...
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Full-screen iframe with a height of 100%

... | edited Apr 17 '14 at 3:24 bjb568 9,3701111 gold badges4242 silver badges6464 bronze badges answered...
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Link latest file on Bitbucket Git repository

... | edited Oct 22 '13 at 1:51 Daniel A.A. Pelsmaeker 37.5k1717 gold badges9494 silver badges148148 bronze badges ...