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python Programming Glossary: d4calculate the difference between two datetime.date() dates in years and months http://stackoverflow.com/questions/12564077/calculate-the-difference-between-two-datetime-date-dates-in-years-and-months example d1 date 2001 5 1 d2 date 2012 1 1 d3 date 2001 1 1 d4 date 2012 5 1 diff1 d2 d1 diff2 d4 d3 Desired result diff1 10.. 1 1 d3 date 2001 1 1 d4 date 2012 5 1 diff1 d2 d1 diff2 d4 d3 Desired result diff1 10 years 8 months. diff2 11 years 4..
how to concatenate two dictionaries to create a new one in Python? [duplicate] http://stackoverflow.com/questions/1781571/how-to-concatenate-two-dictionaries-to-create-a-new-one-in-python d1 1 2 3 4 d2 5 6 7 9 d3 10 8 13 22 How do I create a new d4 that combines these three dictionaries i.e. d4 1 2 3 4 5 6 7.. a new d4 that combines these three dictionaries i.e. d4 1 2 3 4 5 6 7 9 10 8 13 22 python dictionary concatenation.. python mtimeit s'd1 1 2 3 4 d2 5 6 7 9 d3 10 8 13 22 ' 'd4 dict d1.items d2.items d3.items ' 100000 loops best of 3 4.93..
Optimized dot product in Python http://stackoverflow.com/questions/1828233/optimized-dot-product-in-python share improve this question Just for fun I wrote a d4 which uses numpy from numpy import dot def d4 v1 v2 check v1.. I wrote a d4 which uses numpy from numpy import dot def d4 v1 v2 check v1 v2 return dot v1 v2 My results Python 2.5.1 XP.. d2 elapsed 13.7929552499 d3 elapsed 11.0952246724 d4 elapsed 56.3278584289 # go numpy And for even more fun I turned..
http://stackoverflow.com/questions/5044491/how-to-match-two-arrays arrays A a b c d and B a1 a2 b1 b2 b3 c1 c2 c3 d1 d2 d3 d4 I want to match between the two arrays. Match Result a a1 a2.. Match Result a a1 a2 b b1 b2 b3 c c1 c2 c3 d d1 d2 d3 d4 python ironpython share improve this question In pretty..
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