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jpp has asked 48 questions and find answers to 1063 problems.

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jpp questions

Improving performance on comparison algorithm np.packbits(A==A[:, None], axis=1)
Accessing methods via getattr
Pandas dataframe to structured array with Boolean series
Dot-multiplying large dense matrices of different dtype (float x boolean)
Accessing category codes for Index objects in Pandas
Tracking progress in python list(map(...))
Pandas vectorised function cumsum versus numpy
Optimal HDF5 dataset chunk shape for reading rows
Select Rows with Same Id but different Values in Pandas
NumPy indexing: broadcasting with Boolean arrays

jpp answers

pd.to_csv saves, but apparently the wrong data (according to print function)
How to add whitespaces between two words in a string so that total string length has specific value
Python: How can I drop the first 5 minutes of each day in my time serie?
Create new columns for certain columns pandas
Python: How to iterate over rows and apply function to create new columns
How to delete certain rows in pandas which satisfies some condition
Python: function parameters as a tuple with single output
Using relaxed dictionary to map values in column
Iterate over all columns in pandas dataframe to split on delimiter
Sorting a CSV-file into different CSVs by column value