ihadanny

ihadanny has asked 34 questions and find answers to 8 problems.

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@idohadanny

ihadanny questions

How to count unique records by two columns per group in pandas?
guava LoadingCache.refresh - why do we need it if we can just Cache.invalidate?
Nice Way to Visualize DCT Coefficients as an Image
generating all permutations of 2 ones and 3 zeroes with itertools
Netezza does not do lazy evaluation of case statements?
How to sort (order by) big data with hive efficiently?
why should I make a *shallow* copy of a dataframe?
pig skewed join with a big table causes "Split metadata size exceeded 10000000"
System.exit return code isn't detected by bash eval
Refreshing training data for supervised learning - how to?

ihadanny answers

How to access column after pandas .groupby
Nice Way to Visualize DCT Coefficients as an Image
Netezza does not do lazy evaluation of case statements?
Debugging in PIG UDF
Why do we do batch matrix-matrix product?
How to get scalar value on a cell using conditional indexing
merging changes from a maven release branch yields conflicts due to changed versions in poms