Skip to content

Tag: python

how to sort pandas dataframe from one column

I have a data frame like this: As you can see, months are not in calendar order. So I created a second column to get the month number corresponding to each month (1-12). From there, how can I sort this data frame according to calendar months’ order? Answer Use sort_values to sort the df by a specific co…

How to delete row/rows from a qtableview in pyqt?

I am using QStandardItemModel for my qtableview. here when I am trying to delete the row selected(i.e. model.removeRow() ) I am getting a error” TypeError: argument 1 of QAbstractItemModel.removeRow() has an invalid type”. I have searched a lot for the correct way of deleting a selected row/rows i…

Python/Pandas create zip file from csv

Is anyone can provide example how to create zip file from csv file using Python/Pandas package? Thank you Answer Use From the docs: compression : string, optional a string representing the compression to use in the output file, allowed values are ‘gzip’, ‘bz2’, ‘xz’, only used when the first argument is a fil…

How to convert Julian date to standard date?

I have a string as Julian date like “16152” meaning 152’nd day of 2016 or “15234” meaning 234’th day of 2015. How can I convert these Julian dates to format like 20/05/2016 using Python 3 standard library? I can get the year 2016 like this: date = 20 + julian[0:1], where ju…

Python Element Tree Writing to New File

Hi so I’ve been struggling with this and can’t quite figure out why I’m getting errors. Trying to export just some basic XML into a new file, keeps giving me a TypeError. Below is a small sample of the code Answer The ElementTree.write method defaults to us-ascii encoding and as such expects…