Edit "on-the-fly"

[Kurt Kaufman]

Sarah wrote:
"...I have been in the circumstance of needing to change control 
algorithms
in the middle of an experiment and being able to edit the relevant
stack and have the new algorithm running within minutes, without even
shutting down the program..."

That's pretty amazing, when you think about it (well, when I think 
about it, anyway). I wonder if there are any currently maintained 
programming tools other than MC/RR and SC that are capable of this.

-KK