VIM - Advanced Tips

Here are some advanced tips I've learned from coworkers and working with VIM:

Command	Description
:%s *$==	Delete end of line spaces
:'a,'bs/str1/str2/g	Replace "str1" with "str2" from marker a to marker b
:%s/\(.*\):\(.*\)/\2:\1/g	Replace the first field (\1) with the second field (\2) separated by the :
zf	Fold a selected block of code
zd	Unfold a block of folded code
:make	Run Makefile
:w|make	Write (save) current file and then run Makefile
:grep regexp files	Find regexp in files
:copen	Open quickfix list. Helpful after doing :make or :grep. Press Enter on entry in quickfix list to jump to that location
:cclose	Close quickfix list
:colder	Display contents of previous quickfix list
:cnewer	Display contents of next quickfix list
:!cmd	Run cmd as if on command line. Example: :!ls
:bw	Close current buffer
ctrl+o	Go back once through visited lines
ctrl+i	Go forward once through visited lines
:h topic	Get help for topic