Google talk by the vim guy

Use vim's multiple paste buffers

Ever find yourself avoiding cutting something in vim because you don't want to lose the contents of your paste buffer?

Fear not! Vim has been silently saving away the last 16 things you've cut into multiple paste buffers, which you could have been accessing all this time had you only heard the first thing of it.

Type :reg to see the contents of your paste buffers. To paste something that you cut 3 cuts ago, just use "3p

How to convert all tabs into spaces in vim

One of the sometimes annoying things about python is the IndentationErrors you get from the conflicting appearance of spaces and tab characters, the difference between which is invisible to the naked eye.

In vim, to convert spaces to tabs throughout a file, just use the command %retab!