Re: [racket-users] HtDP/2e, HtDP/3e

:-) > On Jan 20, 2018, at 10:10 PM, Neil Van Dyke wrote: > > Knuth established a standard in CS, of quality-focused pacing, and > exceedingly useful tangents. > > Let's see... PLT has made its own language, computer (VM) architecture, and > typesetting system...

Re: [racket-users] HtDP/2e, HtDP/3e

Knuth established a standard in CS, of quality-focused pacing, and exceedingly useful tangents. Let's see... PLT has made its own language, computer (VM) architecture, and typesetting system... Matthew Butterick has covered fonts...  work proceeding on new editions... :) -- You received

Re: [racket-users] HtDP/2e, HtDP/3e

> On Jan 20, 2018, at 10:04 AM, Luis Sanjuán wrote: > > This is great news! I'm wondering whether there is more on the way apart from > HtDP/3e? Yes, eventually I will write HtDComponents and HtDSystems, pedagogic books on the respective topics, but at the rate I

[racket-users] HtDP/2e, HtDP/3e

This is great news! I'm wondering whether there is more on the way apart from HtDP/3e? -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to

[racket-users] Re: Converting mouse event coordinates to coordinates in canvas dc

Sorry, please disregard this. The coordinates are already correct, it was a totally unrelated bug that was causing the issue. On Saturday, 20 January 2018 04:01:12 UTC-5, Pan Daimonium wrote: > > Hi, > > I am trying to make a narrow-purpose graphical editor by subclassing > canvas%. I'm reading

[racket-users] Converting mouse event coordinates to coordinates in canvas dc

Hi, I am trying to make a narrow-purpose graphical editor by subclassing canvas%. I'm reading mouse events to get coordinates, but they're coordinates on screen, and when I try to draw the results to the canvas' dc, they appear in the wrong place. I'm wondering what is the best way to convert