Re: [racket] Hello and a few questions

2015-02-05 Thread John Clements
Neil's being way too kind when he mentions RSound. It's true that I add DSP functions into RSound as I need them for first-year classes, but I would *love* to see / help with a real DSP library. It seems to me like such a library would probably be built on ... 1-d Arrays of Float? ... and probably

Re: [racket] Hello and a few questions

2015-02-04 Thread Neil Toronto
Awesome! It's great to have you with us. On 02/04/2015 05:28 AM, Marmaduke Woodman wrote: [...] 1) The plotting library doesn't seem to have the equivalent of MATLAB/MatPlotLib's imagesc/imshow, which simply plots a rectangular colormap of the matrix. [1] You can use Plot and `images/flomap`

Re: [racket] Hello and a few questions

2015-02-04 Thread Matthias Felleisen
On Feb 4, 2015, at 5:28 AM, Marmaduke Woodman wrote: > > 1) The plotting library doesn't seem to have the equivalent of > MATLAB/MatPlotLib's imagesc/imshow, which simply plots a rectangular colormap > of the matrix. [1] > > Should this be done with the 2htdp/image library? The bitmap functi

Re: [racket] hello..

2013-11-30 Thread Robby Findler
This should be fixed now (active keybindings shows all of the previous-page bindings and a bunch of others that were like this one, also lost). Thanks for the report! Robby On Fri, Nov 29, 2013 at 4:00 PM, Pierpaolo Bernardi wrote: > On Fri, Nov 29, 2013 at 9:25 PM, Robby Findler > wrote: > >

Re: [racket] hello..

2013-11-29 Thread Michael Jensen
:-S I'm actually technically an emacs user as well. but a novice at that too. I guess I'll eventually figure it all out :-) On 11/29/13, Pierpaolo Bernardi wrote: > On Fri, Nov 29, 2013 at 9:25 PM, Robby Findler > wrote: > >> To find other keys that do the same thing (there aren't any others,

Re: [racket] hello..

2013-11-29 Thread Pierpaolo Bernardi
On Fri, Nov 29, 2013 at 9:25 PM, Robby Findler wrote: > To find other keys that do the same thing (there aren't any others, I don't > believe, that work in on all platforms with the default settings), you can > use the menu item "Show Active Keybindings" in the "Edit" menu. Search for > "put-prev

Re: [racket] hello..

2013-11-29 Thread Robby Findler
That's the convention with how esc works, generally: it isn't a modifier key like shift and control, it is just its own key, so this is really a two key sequence. To find other keys that do the same thing (there aren't any others, I don't believe, that work in on all platforms with the default set

Re: [racket] hello..

2013-11-29 Thread Pierpaolo Bernardi
ESC-x and ALT-x usually are synonims. With ALT-x you can keep ALT pressed and repeat only the x. The ESC variant is useful on classical keyboards which do not have an ALT key or equivalent. On Fri, Nov 29, 2013 at 7:30 PM, Michael Jensen wrote: > I have a question/suggestion. if this is goi