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Pandas groupby: How to get a union of strings

... In [4]: df = read_csv(StringIO(data),sep='\s+') In [5]: df Out[5]: A B C 0 1 0.749065 This 1 2 0.301084 is 2 3 0.463468 a 3 4 0.643961 random 4 1 0.866521 string 5 2 0.120737 !...
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How to get the last element of a slice?

... | edited Jan 1 '18 at 6:14 Benjamin W. 29.9k1515 gold badges6767 silver badges7373 bronze badges answer...
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Mockito test a void method throws an exception

... hooknc 3,91844 gold badges2828 silver badges5050 bronze badges answered Mar 1 '13 at 11:48 JB NizetJB Nizet ...
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MySQL IF NOT NULL, then display 1, else display 0

... 214 Instead of COALESCE(a.addressid,0) AS addressexists, use CASE: CASE WHEN a.addressid IS NOT NUL...
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twitter bootstrap autocomplete dropdown / combobox with Knockoutjs

... Arnold DanielsArnold Daniels 15.7k44 gold badges4545 silver badges7676 bronze badges ...
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NSLog an object's memory address in overridden description method

... 214 To print address use %p format specifier and self pointer: -(NSString *) description { retu...
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how to get the current working directory's absolute path from irb

...| edited May 18 '13 at 6:34 answered Dec 21 '09 at 1:31 use...
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Python dict how to create key or append an element to key?

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How do I get a distinct, ordered list of names from a DataTable using LINQ?

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Determine direct shared object dependencies of a Linux binary?

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