[racket-users] Re: Splitting up a GUI source file?

The "traditional" way of doing this in other languages and GUI toolkits is to have a separate class for each of your panes (Books, Users and Rentals). The constructor would receive the parent widget and other initialization parameters (e.g. a database connection). Something like this: ;;

Re: [racket-users] Unexpected error when building standalone Racket executable

On Saturday, March 24, 2018 at 9:42:02 PM UTC+8, Matthew Flatt wrote: > > > Can you try a recent snapshot from http://pre.racket-lang.org/ and > check whether it works for you? > Hi Matthew , I installed version 6.90.0.23 and indeed the problem is fixed. I will use this version until the

RE: [racket-users] sharing an awesome plot - warms the cockles of my heart

For those who don't have drracket handy: http://pasterack.org/pastes/59296 On Mar 24, 2018 4:26 PM, "Jos Koot" wrote: > > Very nice, > Jos Koot > > > From: racket-users@googlegroups.com [mailto:racket-users@googlegroups.com] On > Behalf Of

Re: [racket-users] Splitting up a GUI source file?

Thank you for the paper. I had come across units several times, but I could never figure out *what* their intention was from the documentation. The paper has at least made their motivation clear, I still have to figure out how to actually use this feature now. On Friday, March 23, 2018 at

[racket-users] The Nitty Gritty of Pixels, Pens, and Lines example output

Hi Everyone, When running the following example from the Racket docs section titled 'The Nitty Gritty of Pixels, Pens, and Lines': (define p1 (make-pen "black" 1 "solid" "round" "round")) (rectangle 20 20 "outline" p1) instead of a rectangle with all four sides drawn with equal thickness as

RE: [racket-users] sharing an awesome plot - warms the cockles of my heart

Very nice, Jos Koot _ From: racket-users@googlegroups.com [mailto:racket-users@googlegroups.com] On Behalf Of Sanjeev Sharma Sent: 23 March 2018 22:17 To: Racket Users Subject: [racket-users] sharing an awesome plot - warms the cockles of my heart I've done no math in 20 years - used

Re: [racket-users] Unexpected error when building standalone Racket executable

Hi Alex, I'm able to replicate the problem using Racket v6.12, the latest "plot" package, and your https://github.com/alex-hhh/ActivityLog2 repo. But things seem to work correctly when pairing the latest "plot" with the current development version of Racket, v6.90.x. It's possible that the new