Re: [racket-users] DrRacket: Laggy when rendering images as results vs display-ing

2016-05-17 Thread Robby Findler
Ah, thanks for the clarification. I don't see how I can reasonably support this for picts (because the `dc` procedure is used a lot), but maybe DrRacket can collude with the 2htdp/image library to get display's speed and print's safety. I'll think more about it. Robby On Tue, May 17, 2016 at 7:5

Re: [racket-users] DrRacket: Laggy when rendering images as results vs display-ing

2016-05-17 Thread Daniel Prager
Hi Robby I only used the same bitmap for convenience of example. I have cases where every bitmap is different! I hope that the eventual outcome is fast *and* secure! At the moment my workaround is to (display ...). Dan On May 18, 2016 8:52 AM, "Robby Findler" wrote: > Sorry it is taking me s

Re: [racket-users] DrRacket: Laggy when rendering images as results vs display-ing

2016-05-17 Thread Robby Findler
Sorry it is taking me so long to look into this. One piece of (not so useful to you who want an actual solution!) information is that you've pointed out a security hole in DrRacket that I thought I'd closed, but apparently have only partly closed. If you run the program below, then DrRacket itself

[racket-users] Online courses/self-study

2016-05-17 Thread Todd O'Bryan
Hey all, Since leaving the classroom to work in industry (I'm currently part of the Music Metrics team at Amazon. There are some PLT alums on the team by way of Cal Poly-San Luis Obispo.), I've lost track of what's available in terms of online/self-study courses. I sing in a church choir and a ri