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jpp has asked 48 questions and find answers to 1096 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

Append a String to a String in a List
How can I apply ceiling on a dataframe column?
Pandas dataframe fillna by some value
Efficient multiplying matrices with different shapes in numpy
Dynamically var in parameter of a function
find number of consecutive identical rows in python using pandas
Creating an IF statement in Python that looks at previous IF statement output
Appending to numpy arrays
How to find decimal value of 1D binary array in numpy Python
Restructure nested python lists