Vim - some useful keystroke

vim_misc.md

vimdiff

do  # apply diff from other pane
dp  # push diff to other pane
]c  # jump to next change
[c  # jump to previous change

vim

:g/pattern/p  # print matched lines
:%s/pattern//(g)n   # match count

Run macro across buffer (Assuming a key)

:bufdo execute "normal @a" | write