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R command for setting working directory to source file location in Rstudio

... this might not necessarily work on every platform (Windows seems to work, Linux/Mac for some). Keep in mind that this solution is for 'sourcing' the files, not necessarily for running chunks in that file. see also get filename and path of `source`d file ...
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Read Excel File in Python

...dings:") print(DataF.columns) Test at :https://repl.it Reference: https://pythonspot.com/read-excel-with-pandas/ share | improve this answer | follow | ...
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How to write very long string that conforms with PEP8 and prevent E501

As PEP8 suggests keeping below the 80 column rule for your python program, how can I abide to that with long strings, i.e. ...
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How to install packages using pip according to the requirements.txt file from a local directory?

... i tried this python -m pip install -r requirements.txt when inside the activated venv enviroment. things installed smoothly but when i do pip list it does not show that packages, when I am in the active venv or even after deactivate venv....
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Split Python Flask app into multiple files

...st-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f15231359%2fsplit-python-flask-app-into-multiple-files%23new-answer', 'question_page'); } ); Post as a guest ...
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Is it possible to set a number to NaN or infinity?

Is it possible to set an element of an array to NaN in Python? 4 Answers 4 ...
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Why is creating a Thread said to be expensive?

... Sun Java 1.4.1 on a 2002 vintage dual processor Xeon running 2002 vintage Linux. A more modern platform will give better numbers ... and I can't comment on the methodology ... but at least it gives a ballpark for how expensive thread creation is likely to be. Peter Lawrey's benchmarking indicates...
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How to load/edit/run/save text files (.py) into an IPython notebook cell?

I've recently moved over to using IPython notebooks as part of my workflow. However, I've not been successful in finding a way to import .py files into the individual cells of an open IPython notebook so that they can edited, run and then saved. Can this be done? ...
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How would you make a comma-separated string from a list of strings?

... Note if you are using python 2.7 (which you shouldn't by now) then using str will raise an exception if any item in the list has unicode. – kroiz May 26 at 13:54 ...
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How to retrieve an element from a set without removing it?

... tl;dr for first_item in muh_set: break remains the optimal approach in Python 3.x. Curse you, Guido. y u do this Welcome to yet another set of Python 3.x timings, extrapolated from wr.'s excellent Python 2.x-specific response. Unlike AChampion's equally helpful Python 3.x-specific response, th...