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Converting a column within pandas dataframe from int to string

...hape(5,2),columns=list('AB')) In [17]: df Out[17]: A B 0 0 1 1 2 3 2 4 5 3 6 7 4 8 9 In [18]: df.dtypes Out[18]: A int64 B int64 dtype: object Convert a series In [19]: df['A'].apply(str) Out[19]: 0 0 1 2 2 4 3 6 4 8 Name: A, dtype: object In [20]: df['A...
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Wrapping null-returning method in Java with Option in Scala?

... 183 The Option companion object's apply method serves as a conversion function from nullable referen...
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How to set child process' environment variable in Makefile

... test (assuming you have a sufficiently modern version of GNU make >= 3.77 ). share | improve this answer | follow | ...
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How to include external Python code to use in other files?

... 153 You will need to import the other file as a module like this: import Math If you don't want t...
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Why modelVersion of pom.xml is necessary and always set to 4.0.0?

... It is always set to 4.0.0 in Maven 2 and 3, because, at present, there is no other model. Notice that modelVersion contains 4.0.0. That is currently the only supported POM version, and is always required. [source] But it wouldn't necessarily need to always be ...
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Expanding tuples into arguments

... | edited May 27 at 13:31 Nicolas Gervais 13.3k77 gold badges3434 silver badges5656 bronze badges a...
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What does the tilde (~) mean in my composer.json file?

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Why does substring slicing with index out of range work?

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Variable interpolation in the shell

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How do I change Bootstrap 3 column order on mobile layout?

...ith a top fixed navbar. Underneath I have two columns, one for a sidebar (3), and one for content (9). Which on desktop looks like this ...