2015年12月27日日曜日 11時39分10秒 UTC+9 Matthew Flatt:
> At Sat, 26 Dec 2015 06:52:19 -0800 (PST), Taro Annual wrote:
> > 2015年12月26日土曜日 21時54分52秒 UTC+9 Matthew Flatt:
> > > Can you try a current snapshot to see whether it eliminates pauses?:
> > >
> &g
that are designed for
> higher performance than 2htdp/universe and 2htdp/image but provide
> similar functionalities
>
> Jay
>
> On Sat, Dec 26, 2015 at 1:17 AM, Taro Annual wrote:
> > Hi,
> >
> > I make "pong" game in big-bang(2hdp/universe).
> >
2015年12月26日土曜日 21時54分52秒 UTC+9 Matthew Flatt:
> At Fri, 25 Dec 2015 22:17:21 -0800 (PST), Taro Annual wrote:
> > I make "pong" game in big-bang(2hdp/universe).
> > But, moving a racket(not language!) by keyboard("up", "down", ...), the
> > ra
Hi,
I make "pong" game in big-bang(2hdp/universe).
But, moving a racket(not language!) by keyboard("up", "down", ...), the racket
freezes in 0.3~0.5s sometimes.
I think it is due to the beginner's platform.
What modules/syntaxes are used in action games in Racket language.
Thanks,
Taro.
--
Y
2015年12月18日金曜日 23時26分40秒 UTC+9 John Berry:
> Kicked the server. Seems to work now.
>
>
>
> On Fri, Dec 18, 2015 at 3:57 PM, Taro Annual wrote:
> over
>
>
>
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2015年12月16日水曜日 1時43分03秒 UTC+9 Alejandro López:
> I want to know how to put a background image in a viewport
In graphic use, I recommend 2htdp/image library.
If you need to treat .bmp or .png so on, you can paste the file images into
your code.
(Dr. Racket's menubar, select [Insert] - [Insert Imag
2015年12月13日日曜日 2時21分21秒 UTC+9 Alex Knauth:
> > On Dec 12, 2015, at 9:18 AM, Taro Annual wrote:
>
> > In racket libraries, rackjure module looks usable.
> > But, rackjure's threading(~>) denys lambda.
> >
> >
> > #lang rackjure
> >
&
Hi,
I want to make method chains like this:
#lang racket
(define (pipe init . procs)
(foldl (lambda (x y) (x y)) init procs))
(pipe '(3 4)
(lambda (l) (map sqr l))
(lambda (l) (apply + l))
sqrt)
5
In racket libraries, rackjure module looks usable.
But, rackjure's
2015年12月11日金曜日 22時15分20秒 UTC+9 Ben Greenman:
> A is close, but the problem just wants the number of guesses -- not their
> values. In your example, the right value to display is 5.
>
>
> On Fri, Dec 11, 2015 at 7:35 AM, Taro Annual wrote:
> Everyone,
>
>
>
> Hi
Everyone,
Hi, I'm reading "REALM OF RACKET" and can't understand the following question.
[p.89 / Chapter 5 Chapter Challenges - Medium]
Change the Guess My Number game so that it displays the number of guesses the
program takes to find the player's number. Hint: you might need to change the
2015年10月13日火曜日 3時28分13秒 UTC+9 George Neuner:
> On Mon, 12 Oct 2015 12:28:56 -0400, Deren Dohoda
> wrote:
>
> >Probably racket/format is what you need to look at.
> >http://docs.racket-lang.org/reference/strings.html#%28mod-path._racket%2Fformat%29
>
>
> Or SRFI 48:
>
> http://docs.racket-lang
Hi,
Please tell me the way of the following in racket?
In C,
printf("%02d", 2);
In Common Lisp,
(format t "~2,'0D" 2)
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