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jpp has asked 43 questions and find answers to 798 problems.

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jpp questions

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
Dask dataframes: reading multiple files & storing filename in column
Efficiently return the index of the first value satisfying condition in array
Comparing numpy array with itself by element efficiently
Suppress key addition in collections.defaultdict
How to efficiently partial argsort Pandas dataframe across columns

jpp answers

How to check if a column ends with either a or b in pandas
Merging two pandas dataframes many-to-one
python filter() function with None as filter argument
Pandas iloc complex slice every nth row
Lowercase a list of lists
Get list of column names all values are NaNs in Python
How to determine the trend of a numeric list in Python
Pandas: Sort value and ignore 0
Sort Pandas Series on data descending then on index alphabetically, elegantly
Pandas: using iloc to retrieve data does not match input index