[racket-users] Re: Racket v6.10

2017-08-15 Thread Alex Harsanyi
On Tuesday, August 1, 2017 at 4:59:14 AM UTC+8, Vincent St-Amour wrote: > Racket version 6.10 is now available from > I just updated to Racket 6.10 on Windows 10 and noticed a bug that causes a crash (access violation). This happens when there is a symbolic link in a `make-directory*` call. T

Re: [racket-users] Racket v6.10

2017-08-15 Thread Matthew Flatt
At Mon, 31 Jul 2017 16:00:01 -0500, Vincent St-Amour wrote: > * Internally, Racket's intermediate compatibility layer over > operating-system facilities has been moved into its own library, > "rktio" [...] we expect a new glitch or > two in less-common build and execution environments. James

[racket-users] Racket Con Lightning Talks?

2017-08-15 Thread Andrew Gwozdziewycz
While I'm guessing the answer is "the schedule is too full" (and, woah, does it look like an incredible lineup) does Racket Con have room for lightning talks? Lightning talks, for those not familiar, are typically casual, 5 minute presentations on a topic. If there is room, and the stars align, it'

Re: [racket-users] HtDP2e, exercise 9, image area

2017-08-15 Thread Fernando Basso
On Tuesday, August 15, 2017 at 12:01:25 PM UTC-3, Matthias Felleisen wrote: > > On Aug 15, 2017, at 6:08 AM, Fernando Basso wrote: > > > > Exercise 9: > > http://homedirs.ccs.neu.edu/matthias/HtDP2e/part_one.html#%28counter._%28exercise._arith-p1%29%29 > > > > Among other requirements, it says,

[racket-users] '(sum-milt-iter three five a b sum1 sum2)'

2017-08-15 Thread '47squared' via Racket Users
Hello gentleman, Why isn't '(sum-milt-iter three five a b sum1 sum2)' evaluating to 23 given that '(mult-sum 5)' and '(mult-sum 3)' return the right answer, namely 5 and 18? ; linear iterative process for computing the sum of the multiples of 3 and 5 < 10 #lang racket (define (sum-mult three

Re: [racket-users] HtDP2e, exercise 9, image area

2017-08-15 Thread Matthias Felleisen
> On Aug 15, 2017, at 6:08 AM, Fernando Basso > wrote: > > Exercise 9: > http://homedirs.ccs.neu.edu/matthias/HtDP2e/part_one.html#%28counter._%28exercise._arith-p1%29%29 > > Among other requirements, it says, “for an image, it uses the area”. Not sure > whether I should _assume_ the image i

Re: [racket-users] Menu bar won't show

2017-08-15 Thread Matthew Flatt
At Mon, 14 Aug 2017 20:11:14 -0400, James wrote: > except that part of the > confusion here is that the left most menu still says "DrRacket" ( or "racket" > if run from the terminal) when this normally identifies the running program. > Is there a simple way to give my program a name which will

[racket-users] HtDP2e, exercise 9, image area

2017-08-15 Thread Fernando Basso
Exercise 9: http://homedirs.ccs.neu.edu/matthias/HtDP2e/part_one.html#%28counter._%28exercise._arith-p1%29%29 Among other requirements, it says, “for an image, it uses the area”. Not sure whether I should _assume_ the image is a basic shape like a square or if something more advanced is expecte