Ctrl+Space for omni and keyword completion in vim

Question

I Want to use Ctrl+Space for omni-completion (and keyword completion if there is no omni-completion) in vim. I\'ve tried this which I found somewhere o

Answer 1

For iterm2 and vim these lines works for me, I got from jedi-vim

" Next three lines are to enable C-Space to autocomplete, omnicomplete
inoremap  
imap   
smap