On Sun, Jan 2, 2011 at 6:49 AM, Sayth Renshaw <flebber.c...@gmail.com> wrote:
> Are there any key shortcuts in racket to comment and uncomment a block of
> code?

These ones, at least, are in the Racket menu (and so have shortcuts).

> Also at the prompt is there a keystroke to bring up last typed entry
> same as command prompt?

esc-p. Also, depending on your platform, there may be others.

Check out the Edit|Keybindings submenu.

Robb
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