Re: [racket-users] Scaling image with racket/draw?

Hi Tobias, I call the below procedure with `in` equal to a 1300-pixel wide PNG image, > w=320 and `out` equal to a nice path. Even so, the `out` image remains 1300 > pixels wide (i.e. it's not resized). > > (define (racket-resize in w out) > (let ([bitmap (read-bitmap in)]) > (let

Re: [racket-users] values - should this work?

) > > -- > 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+unsubscr...@googlegroups.com. > For more options, visit https://

Re: [racket-users] How do you use the 'make-brush' '#:transformation' vector[11] argument?

from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsu

Re: [racket-users] racket command-line REPL: Constructor style printing mode?

Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You received this message because you are s

Re: [racket-users] Question on contracts -- check equal length of args

2016-07-15 18:22 GMT+02:00 David Storrs : > On a separate question: How do I contribute to the docs? The > contract docs are nearly silent on using preconditions and > postconditions, Section 7.4, "A Thorough Example of Contracts" is > anything but thorough, and the

Re: [racket-users] Birthday icon on toolbar

Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You receive

Re: [racket-users] Macro calling macro question

; > -- > 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+unsubscr...@googlegroups.com. > For more options, visit https://grou

Re: [racket-users] Problem with macro which implements selectors for mutable pairs

(- (string-length (car l))1)) ))) >(,loop (cdr selectors))) ))) )) > > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop rece

Re: [racket-users] Does `read-words/line' preserve last newline information?

2016-04-16 6:39 GMT+02:00 Quico Jurado : > Hello, I posted this question in SO, but hoping to get more answers here. > Link to the SO posting: http://stackoverflow.com/questions/36611808/racket-2htdp-does-read-words-line-preserve-last-newline-information /Jens Axel --

[racket-users] Modernizing scribble/html

a systematic approach is better. The simple solution is to take the elements from https://www.w3.org/TR/html/index.html#elements-1 and add them to scribble/html. Is the simple solution also the right solution? -- Jens Axel Søgaard -- You received this message because you are subscribed

Re: [racket-users] Racket change button% coordinates(X and Y axis)

2016-04-10 17:18 GMT+02:00 Theodor Berza : > I have a button in a frame and when I change the vert-margin and > horiz-margin in the code the button doesn't change it's location but rather > the frame gets smaller or larger. > ... > Someone suggested me to create a

Re: [racket-users] "table" data structure in Racket

ts of SQL code? > > John > > > > -- > 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+unsubscr...@googlegroups.

Re: [racket-users] Re: Case and eof

.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- 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: [racket-users] Case and eof

d stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups "Racket

Re: [racket-users] r6rs use

gt; > -- > 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+unsubscr...@googlegroups.com. > For more options, visi

Re: [racket-users] Racket -> HTML+JavaScript using Urlang and Ractive

rd.github.io/urlang/space-invaders.html > > Dan > > -- > 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+unsubsc

Re: [racket-users] Trouble with displaying value-turtles

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+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard

Re: [racket-users] Re: Racket -> HTML+JavaScript using Urlang and Ractive

2016-03-16 22:50 GMT+01:00 Greg Trzeciak : > "Urlang is a Racket flavoured S-expression syntax for Javascript" > Can I steal that for a tag-line? > Thank you for your explanation - still seems like a good fit for one of my > projects (as I needed something more lightweight

Re: [racket-users] Re: Racket -> HTML+JavaScript using Urlang and Ractive

2016-03-16 22:18 GMT+01:00 Greg Trzeciak : > > Thanks Dan, seems to be exactly what I need (especially the combination > with ractive.js! BTW you couldn't find js framework with name more fitting > to work with racket ;) > I am only curious what racket subset does urlang

Re: Re: [racket-users] Pattern Matching in Macros | Meaning of dot

e detailed explanation I think I get it now. > > On 13 Mar 2016, at 19:48, Jens Axel Søgaard <jensa...@soegaard.net> wrote: > > If we use > > (define-syntax define/memoized > (syntax-rules () > ((_ (name . args) . body) > (define name (memoize (lambda arg

Re: [racket-users] Re: Pattern Matching in Macros | Meaning of dot

eiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe

Re: [racket-users] Pattern Matching in Macros | Meaning of dot

emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups "Racket Users" group.

Re: [racket-users] Unicode subscripts in code and scribble

to the Google > Groups "Racket Users" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to racket-users+unsubscr...@googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. > > -- > You

Re: [racket-users] DrR: meta-q just worked!

e options, visit https://groups.google.com/d/optout. > > -- > 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+unsub

Re: [racket-users] Re: Racket 6.4 very slow

subscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- 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

Re: [racket-users] Re: Racket 6.4 very slow

2016-03-02 19:26 GMT+01:00 vkelmenson via Racket Users < racket-users@googlegroups.com>: > Also: When I am typing in the interactions pane of 6.4 there is often a > 1-2 second delay before my > keystrokes show up. > > It sounds as if something went wrong during the installation on Racket. How

Re: [racket-users] function minimization

#:x-max 120 > #:y-min 0) > > -- > 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+unsubscr...@googlegroups

Re: [racket-users] Re: ispell

2/ >>>> >>>> -- >>>> 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 >>>> a

Re: [racket-users] Detect version of OS X

, Norman Gray <nor...@astro.gla.ac.uk> wrote: > >> >> Greetings >> >> On 23 Feb 2016, at 20:46, Jens Axel Søgaard wrote: >> >> > Use case: The paths to LaTeX has changed on El Capitan, >> > which makes it difficult to choose a default path, that works &

Re: [racket-users] Detect version of OS X

nNumber appkit _double))) > > (define (version-10.11-or-later?) >(NSAppKitVersionNumber . >= . 1389)) > > > At Tue, 23 Feb 2016 21:46:55 +0100, Jens Axel Søgaard wrote: > > Hi All, > > > > The function system-type can be used to detect the system type. > > Is there a functi

[racket-users] Detect version of OS X

Hi All, The function system-type can be used to detect the system type. Is there a function that returns the version of the operating system? Use case: The paths to LaTeX has changed on El Capitan, which makes it difficult to choose a default path, that works for all. /Jens Axel -- You

Re: [racket-users] Help writing a simple lexer/tokenizer

s length n and then skip n bytes of the input stream. -- Jens Axel Søgaard -- 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+unsu

Re: [racket-users] long (16s) pauses in UI associated with OS X, possibly app nap?

send > an email to racket-users+unsubscr...@googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and

Re: [racket-users] long (16s) pauses in UI associated with OS X, possibly app nap?

ers+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- 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, se

Re: [racket-users] DrRacket Coverage

2016-02-14 19:09 GMT+01:00 Eli Barzilay : > Every semester there are always students that think that DrRacket is > broken when they add tests and the coverage colors go away. I now tell > them about it in advance (in class and in text), but it's still > confusing people. > >

Re: [racket-users] Making a text editor

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+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. >

Re: [racket-users] R6RS+horizontal panel

2016-01-29 23:12 GMT+01:00 Jean-Michel HUFFLEN <jmhuf...@femto-st.fr>: > Jens Axel Søgaard <jensa...@soegaard.net> wrote: > > 2016-01-28 21:48 GMT+01:00 jmhuffle <jmhuf...@femto-st.fr>: >> >>Dear Racket friends, >>> >>>I am s

Re: [racket-users] R6RS+horizontal panel

s cells. In Racket '(left top) will allocate a list of immutable cons cells. Since the GUI is implemented in Racket it expects immutable cons cells. The easiest solution is to switch from R6RS to Racket. However if you want to stick with R6RS, import list from racket/list and use that to create an immut

Re: [racket-users] Feasibility of Racket for scientific and engineering calculations

tion and little of the > other stuff, if only to check my own computations (in economics) as I have > perform a sign-error in 25% of the cases... > > On Tuesday, November 10, 2015 at 10:34:50 PM UTC-5, John Kitchin wrote: > > Those are great resources! Thanks! > > > &

Re: [racket-users] Interpolating Polynomial in Newton Form

et-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails

Re: [racket-users] Feasibility of Racket for scientific and engineering calculations

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+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. >

[racket-users] Puzzle

In DrRacket with just #lang racket in the definitions window. Click Run. Welcome to DrRacket, version 6.3.0.1--2015-10-12(a683542/a) [3m]. Language: racket; memory limit: 1024 MB. > (syntax->datum (expand #'(begin (define (sort v) v) (sort t '(begin (define-values (sort)

Re: [racket-users] Defining a symbol breaks symbols?

2015-09-30 19:35 GMT+02:00 Lyle Kopnicky : > Hi folks, > > It seems that if I (incorrectly) quote a symbol in a 'define' form, it > breaks all symbols from that point on. I would expect instead it would give > me an error saying that I passed the wrong sort of thing to

Re: [racket-users] Re: Eval namespace revisited ...again

gle Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- 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+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.

Re: [racket-users] Racket Solution of String Recursive Replace

subscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Gr

Re: [racket-users] Expression context

s group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups "Racke

Re: [racket-users] Racket in a web page (via Whalesong)

e Whalesong bytecode-to-JavaScript running in the browser. That's doable - but not enough to get a selfhosting Racket system. -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and

Re: [racket-users] help on coding finite state automata

cribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard

Re: [racket-users] Re: Futures vs. Places for parallelizing a simple game engine

> email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop

Re: [racket-users] Lost in ellipsis depths

cause 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+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. >

Re: [racket-users] namespace-undefine-variable! question

an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups Racket Users group. To unsubscribe from this group and stop receiving

Re: [racket-users] Re: My son's game in Racket

-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- 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

Re: [racket-users] Re: My son's game in Racket

, Jens Axel Søgaard wrote: Hi, Does G, T, and H work for you in DrRacket ? /Jens Axel 2015-08-25 15:59 GMT+02:00 Mr Susnake sus...@gmail.com: On Monday, August 24, 2015 at 10:28:07 PM UTC+6, John Carmack wrote: We “released” my 10 year old son’s game that was done in Racket

Re: [racket-users] My son's game in Racket

2015-08-24 18:27 GMT+02:00 John Carmack jo...@oculus.com: We “released” my 10 year old son’s game that was done in Racket: www.1k3c.com Tell him, he has done a great job. It has the right game feel. I liked both how the levels progressed slowly in difficulty and that there were so many of

Re: [racket-users] `divides?` from math/number-theory slow?

an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups Racket Users group. To unsubscribe from this group and stop receiving

Re: [racket-users] DrRacket rendering issues OS X

options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- 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+unsubscr

Re: [racket-users] Typesetting Racket code

options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- 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+unsubscr

[racket-users] How to break a process created with system

-append /usr/local/bin/node (path-string path))) -- Jens Axel Søgaard -- 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+unsubscr

Re: [racket-users] How to break a process created with system

/Jens Axel At Sun, 9 Aug 2015 15:17:19 +0200, Jens Axel Søgaard wrote: Hi All, The function node below takes the path of a JavaScript file, starts node (JavaScript evaluator) using system. The output is collected in a string. (define (node path) (with-output-to-string

Re: [racket-users] Sending Closures to Places

2015-08-02 19:12 GMT+02:00 Konstantin Weitz konstantin.we...@gmail.com: I'm trying to write a distributed racket program using [places][0]. From my current understanding, this means that I have to send data to each place over a channel using the `place-channel-put` function, which can send any

Re: [racket-users] Sending Closures to Places

Note that the web-server has support for serializable closures: http://docs.racket-lang.org/web-server-internal/closure.html I think they are the practical choice. /Jens Axel 2015-08-03 12:29 GMT+02:00 Jens Axel Søgaard jensa...@soegaard.net: 2015-08-02 19:12 GMT+02:00 Konstantin Weitz

Re: [racket-users] eval PSA (was Sending Closures to Places)

-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- 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

Re: [racket-users] Macro that does substitution

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+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel

[racket-users] Affecting the errors generated by syntax-parse

Hi All, The syntax-parse form can often generate sensible errors based on the progress made during the attempt to match a pattern against a syntax-object. Given multiple choices the choice where the maximum progress was made is used to generate the error message. Is there a way to tell

Re: [racket-users] Affecting the errors generated by syntax-parse

/stxparse-patterns.html?q=syntax-parse#%28form._%28%28lib._syntax%2Fparse..rkt%29._~7e!%29%29 On Sat, Jul 25, 2015 at 9:55 AM, Jens Axel Søgaard jensa...@soegaard.net wrote: Hi All, The syntax-parse form can often generate sensible errors based on the progress made during the attempt

[racket-users] sub-range-binders

Hi All, I am experimenting with the sub-range-binders syntax property. Given this program: (define symb? symbol?) (define-no? symb?) symb I want to use DrRacket's renaming facility to rename the symb? in the second line to sym?. I expect to get this program: (define sym?

[racket-users] Syntax parse and optional patterns

Hi All, Is there a simpler way of defining the syntax transformation (macro) below? /Jens Axel #lang racket (require (for-syntax syntax/parse racket/syntax)) (provide let-match-expander) ;;; SYNTAX (let-match-expander ([id proc0 proc1] ...) body ...) ;;;(let-match-expander ([id

Re: [racket-users] Room for descriptions

Thanks! No wonder I couldn't find it in the preferences. /Jens Axel 2015-07-03 18:59 GMT+02:00 Robby Findler ro...@eecs.northwestern.edu: That sounds like it would be a very nice change. The option you want is in the view menu. Robby On Friday, July 3, 2015, Jens Axel Søgaard jensa

[racket-users] Room for descriptions

Hi All, During the installation of DrRacket on a new laptop I realized that the preferences dialog could need some kind of info on each available option. Consider this: http://i.imgur.com/IzsJrI8.png There is lots of room to the right for a description. Map delete to backspace

Re: [racket-users] Emacs Lisp as a Racket Language?

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+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- You received

Re: [racket-users] on module: identifier already imported from a different source

, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- 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+unsubscr...@googlegroups.com

Re: [racket-users] Closing big-bang windows

John Carmack: My son's game has a level editor as well as a game loop, and we switch between them. However, each new big-bang call creates a new window, leaving the previous ones inert on the screen. How can we close the windows? Matthias Felleisen: But people wanted it to stay open

Re: [racket-users] Re: Fast way to map over a list many times, changing ONE element each time?

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+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- You received

Re: [racket-users] Reporting Simple Bugs and Fixing Them

2015-06-20 3:12 GMT+02:00 Vincent St-Amour stamo...@ccs.neu.edu: For changes like typoes, Github has a pencil button at the top of its source view that simplifies the pull-request process. https://help.github.com/articles/editing-files-in-another-user-s-repository/ That's the simplest way

Re: [racket-users] Re: Fast way to map over a list many times, changing ONE element each time?

receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups Racket Users group. To unsubscribe from

Re: [racket-users] Fast way to map over a list many times, changing ONE element each time?

GMT+02:00 Jens Axel Søgaard jensa...@soegaard.net: #lang racket (define (list-splits xs) (define (loop ys zs) ; xs = (append (reverse ys) yz) (match zs ['() '()] [(cons z zs*) (cons (list ys zs) (loop (cons z ys) zs*))])) (loop '() xs

Re: [racket-users] Fast way to map over a list many times, changing ONE element each time?

. -- -- Jens Axel Søgaard -- 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+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d

Re: [racket-users] racket virtual machine

2015-06-05 6:37 GMT+02:00 Neil Van Dyke n...@neilvandyke.org: 2. Forget about `eval`, require apps to be compilable on development host (but not necessarily runnable there), implement compiler from `.zo` to JS (managing TCO, etc.), implement small Racket runtime library in JS, implement

Re: [racket-users] Color Arithmetic

2015-06-04 11:38 GMT+02:00 Michael Tiedtke michael.tied...@o2online.de: Before I go ahead and just do it I wanted to ask: 1) Does such a thing exist somewhere for Scheme or Racket (I couldn't find anything) The only example I found was:

Re: [racket-users] racket virtual machine

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Re: [racket-users] Get list of all predefined identifiers for use in vim syntax highlighting

this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups Racket Users group

Re: [racket-users] Simple Interdependent Units?

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+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard

Re: [racket-users] How to fill a shape with a texture using 2htdp/image or similar?

21, 2015 at 11:28 AM, Jens Axel Søgaard jensa...@soegaard.net wrote: Here is an example from MetaPict: http://soegaard.github.io/docs/metapict/metapict.html#%28def._%28%28lib._metapict%2Fpict..rkt%29._brushstipple%29%29 The same effect can be achieved by setting the brush to a stipple

Re: [racket-users] Strange behaviour of the eq? operator in racket repl

in the list. In contrast R5RS (on purpose) state that the order is unspecified, which means that an implementor of R5RS Scheme is free to choose the order which fits his system best. Potentially the freedom to choose the order could enable some optimizations. -- Jens Axel Søgaard -- You received

Re: [racket-users] Time for draw-bitmap

2015-05-11 0:56 GMT+02:00 Matthew Flatt mfl...@cs.utah.edu: At Mon, 11 May 2015 00:30:05 +0200, Jens Axel Søgaard wrote: 2015-05-11 0:07 GMT+02:00 Matthew Flatt mfl...@cs.utah.edu: If you're on OS X, try creating the bitmap with (send canvas make-bitmap screen-width screen-height

Re: [racket-users] Time for draw-bitmap

2015-05-11 2:24 GMT+02:00 Robby Findler ro...@eecs.northwestern.edu: But if you have a specific destination in mind you can make the bitmap first and then draw the 2htdp/image into it (or anything into it!) When I use my own game-loop it is easy enough to use the make-bitmap method of the

Re: [racket-users] Time for draw-bitmap

` method creates a bitmap that's on the graphics card instead of main memory. At Sun, 10 May 2015 23:14:08 +0200, Jens Axel Søgaard wrote: Hi All, The attached files are a work-in-progress. Eventually it will become a remake of Cees Kramer's Snoopy for C64. Anyways, the game represents

[racket-users] Time for draw-bitmap

Hi All, The attached files are a work-in-progress. Eventually it will become a remake of Cees Kramer's Snoopy for C64. Anyways, the game represents an unmoveable object as a block structure. Today I decided to stop rendering the blocks for every frame. Instead they are rendered once to a

Re: [racket-users] Time for draw-bitmap

2015-05-11 0:07 GMT+02:00 Matthew Flatt mfl...@cs.utah.edu: If you're on OS X, try creating the bitmap with (send canvas make-bitmap screen-width screen-height) instead of (make-object bitmap% screen-width screen-height) Roughly, using the `make-bitmap` method creates a bitmap that's

Re: [racket-users] Rosetta Code: Level 1st (that's FIRST) with TCL

2015-04-29 14:07 GMT+02:00 Tim Brown tim.br...@cityc.co.uk: On 29/04/15 11:44, Stephen De Gabrielle wrote: Are there any tasks suitable for Rosetta Code that are difficult or impossible in other languages like Python or TCL? (or Lisp, JavaScript, Self/Smalltalk, Forth ...) Something

Re: [racket-users] Rosetta Code: Level 1st (that's FIRST) with TCL

. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups Racket

Re: [racket-users] Rosetta Code: Level 1st (that's FIRST) with TCL

? (or Lisp, JavaScript, Self/Smalltalk, Forth ...) Kind regards, Stephen On Wed, 29 Apr 2015 at 07:57, Jens Axel Søgaard jensa...@soegaard.net wrote: Great news! Worth a blog post to follow up on: http://blog.racket-lang.org/2013/03/200_25.html http://blog.racket-lang.org/2014/11/800

Re: [racket-users] infix notation embedded in Racket

2015-04-24 14:44 GMT+02:00 Jens Axel Søgaard jensa...@soegaard.net: The arrows disappear when I use the at-exp syntax: @${b^2-4*a*x}. I am not sure why. Anyone? Thanks to Alexander for submitting a fix. /Jens Axel -- You received this message because you are subscribed to the Google

Re: [racket-users] infix notation embedded in Racket

2015-04-24 14:44 GMT+02:00 Jens Axel Søgaard jensa...@soegaard.net: The planet package took a *very* long time to install, so I intend to upload a version to pkg.racket-lang.org. The infix package is now available through pkg.racket-lang.org. /Jens Axel -- You received this message

Re: [racket-users] RE: infix notation embedded in Racket

2015-04-24 18:32 GMT+02:00 Jens Axel Søgaard jensa...@soegaard.net: 2015-04-24 18:25 GMT+02:00 Jos Koot jos.k...@gmail.com: Hi Jens Axel, Thanks for replying and explaining. Can you discriminate between a+b and |a+b| or a|+|b? When I get around to adding |...| identifiers to the lexer

Re: [racket-users] infix notation embedded in Racket

2015-04-24 14:44 GMT+02:00 Jens Axel Søgaard jensa...@soegaard.net: The arrows disappear when I use the at-exp syntax: @${b^2-4*a*x}. I am not sure why. Anyone? I haven't figured it out yet, but it seems to have worked at some point. I have found this: (define-syntax ($ stx) (syntax-case

Re: [racket-users] infix notation embedded in Racket

2015-04-24 0:18 GMT+02:00 Alexander D. Knauth alexan...@knauth.org: What’s wrong with at-exp though? I personally don’t like (planet soegaard/infix) as much mostly because the other options have the benefit of working with DrRacket features such as check-syntax arrows and blue-boxes, but

[racket-users] Re: infix notation embedded in Racket

embedded in Racket without explicitly using push-down automata. However, I encounter a contradiction in my desires as explained below. I have looked at 'Infix expressions for PLT Scheme' available in planet and made by Jens Axel Søgaard. In his approach a+b is evaluated as though written as (+ a b

Re: [racket-users] RE: infix notation embedded in Racket

2015-04-24 18:25 GMT+02:00 Jos Koot jos.k...@gmail.com: Hi Jens Axel, Thanks for replying and explaining. Can you discriminate between a+b and |a+b| or a|+|b? When I get around to adding |...| identifiers to the lexer, it will work like this: a+b will be parsed as (+ a b) |a+b| as

Re: [racket-users] literals within syntax-transfromer within syntax-transformer

to the Google Groups Racket Users group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- -- Jens Axel Søgaard -- You received this message because

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