Garrett questions

Garrett answers

• How to use crosstab/pivot with multi dimensions
• Compiling a c application that links to a static library on AIX
• Pandas efficient groupby season for every year
• Groupby filter ordering
• how to do right join where key is null in python pandas
• Is there a way to configure Vim grepprg option to avoid waiting until the external tool has finished searching?
• Python Pandas How to assign groupby operation results back to columns in parent dataframe?
• Sliding window average across time axes
• How to replace&add the dataframe element by another dataframe in Python Pandas?
• Python: Reducing memory usage of dictionary