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What does the star operator mean, in a function call?

... s = sum(1, 2, c=10, d=15) Also see section 4.7.4 - Unpacking Argument Lists of the Python documentation. Additionally you can define functions to take *x and **y arguments, this allows a function to accept any number of positional and/or named arguments that aren't...
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How can I make pandas dataframe column headers all lowercase?

... answered Nov 1 '13 at 11:42 Roman PekarRoman Pekar 86.7k2525 gold badges156156 silver badges172172 bronze badges ...
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How do you push a Git tag to a branch using a refspec?

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Using comparison operators in Scala's pattern matching system

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Convert Go map to json

...trconv.Itoa. See this post for more details: https://stackoverflow.com/a/24284721/2679935 share | improve this answer | follow | ...
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Cleanest and most Pythonic way to get tomorrow's date?

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How to create an object for a Django model with a many to many field?

... 248 You cannot create m2m relations from unsaved objects. If you have the pks, try this: sample_ob...
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how to ignore namespaces with XPath

... answered Dec 14 '10 at 15:05 Dirk VollmarDirk Vollmar 157k5151 gold badges240240 silver badges300300 bronze badges ...
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Select multiple columns in data.table by their numeric indices

... Henrik 52.1k1111 gold badges117117 silver badges134134 bronze badges answered Nov 14 '12 at 17:28 Josh O'BrienJosh O'Brien 144k2...
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What's the difference between integer class and numeric class in R

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