aahmd

#! /usr/bin/python
# -*- coding: utf-8 -*-
"""vlc media player; based off example in vlc repo:
`http://git.videolan.org/?p=vlc/bindings/python.git;a=commit;h=HEAD`


See also:
`http://infohost.nmt.edu/tcc/help/pubs/tkinter/web/menu.html`
`http://infohost.nmt.edu/tcc/help/pubs/tkinter/web/menu-coptions.html`

aahmd

# for records grouped by colA, colB, and colC return a df where colD is unique:
import pyspark.sql.functions as fn

df.groupBy('colA', 'colB', 'colC').agg(fn.collect_list('colD').alias('newColD'), fn.count('colD').alias('count').filter(fn.col('count') > 1))

df.select(fn.explode('newColD').alias('colDUniques')).show()



# given a subset of columns, return a dataframe where duplciates exists for these columns:

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname