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jpp has asked 48 questions and find answers to 1033 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

Null coalescing on a dict entry in python
Set two columns as tuple index in Pandas
Split pandas Series into contiguous chunks by index value
How to read array's element inside print function in Python?
Compare dataframe column with strings and numbers
pandas How to store rows dropped using `drop_duplicates`?
Pandas remove rows only where NaN and float 0.0
Pandas converting Rows to Columns
Reading a specific column of a text file into a list (python 3.6.3)
Pandas: add column with progressive count of elements meeting a condition