jpp

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jpp has asked 47 questions and find answers to 930 problems.

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jpp questions

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
Dask dataframes: reading multiple files & storing filename in column

jpp answers

Python - key error when appending a list of dict to a nested defaultdict
Python: Split a list into multiple lists based on a subset of elements [duplicate]
Multiply digits in list in python
Pandas: replacement with boolean values gives inconsistent results
Python create a specific dict from three list
Pandas not dropping rows and columns that meet criteria
How do I do before yesterday query on pandas
Pandas columns variable length string slicing based on conditions
Replace missing value from another row in pandas
Check pandas dataframe column for string type