Does RVM know the type information at runtime? Is typed racket just a
front-end parser (target to contracts)? In theory is it possible to
manually optimize untyped racket to make it as fast as the typed one in
most cases?
To ignore the developing features, do we lose any expressivenesses?
(lambd
In DrRacket I'm generating some simulations using the random function and
plotting the results using the Racket Plot routines. I put the plot
results in a new window using "(plot-new-window? #t)". This works fine but
everytime I run a new simulation within DrRacket the previous plot window
is cl
On Feb 23, 2014, at 4:14 PM, Lawrence J Winkler wrote:
> I recently starting reading HtDP/2e to evaluate the approach to teaching
> programming. My motivation, in part, stems from the recent Computer Science
> Education Week last December, where many were given the opportunity to
> experience
Take a look at the function put-pinhole, which will allows you to create a
version of the rocket image with the "pinhole" at the bottom center of the
rocket. If you do that, I think you'll be able to easily create
place-image logic for the rocket example that is more to your liking.
On Sun, Feb
I recently starting reading HtDP/2e to evaluate the approach to teaching
programming. My motivation, in part, stems from the recent Computer Science
Education Week last December, where many were given the opportunity to
experience one hour of programming.
I'm interested in reviewing different
Thanks a lot, Neil!
I see that I didn't read your earlier message correctly and I now get what
you're suggesting. It makes a lot of sense (and the followup discussion
also helped me).
Robby
On Thu, Feb 20, 2014 at 10:49 AM, Neil Toronto wrote:
> The connection between my final answer and sampl
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