jakes questions

• How to reset only first level of MultiIndex in pandas
• PostgreSQL - from long to wide format
• Using rlang::sym inside list definition
• How to split multiple columns in Pandas
• Rcpp in markdown
• How to append two DataFrames with different number of rows, populating the shorter one
• How to setup VSCode to be able to import files from child directory
• map inside map2 - how to refer properly to arguments (purrr)
• Change size of R output in RMarkdown
• How to remove white spaces between stacked geom_col

jakes answers