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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le

... | edited Jan 13 '16 at 20:13 Jaap 68.6k2525 gold badges155155 silver badges164164 bronze badges answe...
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Concatenating two lists - difference between '+=' and extend()

... 225 The only difference on a bytecode level is that the .extend way involves a function call, whic...
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Convert two lists into a dictionary

... 2258 Like this: >>> keys = ['a', 'b', 'c'] >>> values = [1, 2, 3] >>> ...
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Selecting multiple columns in a pandas dataframe

...of the first two columns) then you can do this instead: df1 = df.iloc[:, 0:2] # Remember that Python does not slice inclusive of the ending index. Additionally, you should familiarize yourself with the idea of a view into a Pandas object vs. a copy of that object. The first of the above methods wil...
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Git Blame Commit Statistics

... | edited Sep 9 '19 at 17:29 Nick Heiner 105k171171 gold badges449449 silver badges680680 bronze badges ...
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How to add multiple files to Git at the same time

... 124 To add all the changes you've made: git add . To commit them: git commit -m "MY MESSAGE HERE...
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Is there a simple way to remove multiple spaces in a string?

... 29 Answers 29 Active ...
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Check if Internet Connection Exists with Javascript? [duplicate]

... 267 The best option for your specific case might be: Right before your close </body> tag: ...
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Fastest way to determine if an integer's square root is an integer

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