jO. questions

• Calling a stored procedure within a stored procedure
• Python: Making a dict from tuple keys with multiple values from a nested list
• Replace value in column with corresponding value from another column in same dataframe
• Return multiple values and populate column in array like manner
• flatten nested list by averaging vectors
• Insert multiple rows in one table based on number in another table
• reshape/melt an asymmetric matrix according to a rowKey
• create binary matrix from data.frame
• match two data.frames based on multiple columns
• Regex: AttributeError: 'NoneType' object has no attribute 'groups'

jO. answers