chrisb questions

chrisb answers

• Pandas: Random order of columns when writing DataFrame to csv
• pandas dataframe sort on column raises keyerror on index
• How to convert raw javascript object to python dictionary?
• What are the differences between a cpdef and a cdef wrapped in a def?
• How to read multiple parquet files (with same schema) from multiple directories with dask/fastparquet
• Pandas: conditional rolling count
• python bin data and return bin midpoint (maybe using pandas.cut and qcut)
• Python pandas groupby with cumsum and percentage
• Numba: Manual looping faster than a += c * b with numpy arrays?
• The compilation of an array of conditions with numba.jit takes a long time