Re: [racket] MysterX error message

2011-11-29 Thread José Lopes
Hello, I have a 32 bit systems so both Racket and AutoCAD are 32 bits. I am retrieving the "Layers" property from the AutoCAD "ActiveDocument" and both of these objects are "com-object". I can see the available methods in "Layers" using "com-methods". The method I want to invoke is actually the

Re: [racket] Google Challenge

2011-11-29 Thread Sam Tobin-Hochstadt
Nicely done. Now we just need to win. :) On Tue, Nov 29, 2011 at 10:54 PM, Stephen Chang wrote: > Racket is now installed on the game servers, so you can upload your > Racket bots. Also, you can get the Racket starter package here: > http://aichallenge.org/starter_packages.php > > > > On Sat, N

Re: [racket] MysterX error message

2011-11-29 Thread Ben Goetter
That is TYPE_E_CANTLOADLIBRARY, and it indicates a problem with the registered typelib (or lack thereof). Precisely what object are you retrieving? Are you using win32 mysterx, or win64? Is the retrieved object win32, or win64? On 11/28/2011 1:37 AM, José Lopes wrote: Hello everyone, I am

Re: [racket] Google Challenge

2011-11-29 Thread Stephen Chang
Racket is now installed on the game servers, so you can upload your Racket bots. Also, you can get the Racket starter package here: http://aichallenge.org/starter_packages.php On Sat, Nov 26, 2011 at 4:45 PM, Stephen Chang wrote: > I ported the python starter package to Racket and submitted a p

Re: [racket] Abstracting over redex language via macro causes scope issues

2011-11-29 Thread J. Ian Johnson
Nevermind. Hygiene. -Ian - Original Message - From: "J. Ian Johnson" To: "users" Sent: Tuesday, November 29, 2011 7:44:21 PM GMT -05:00 US/Canada Eastern Subject: [racket] Abstracting over redex language via macro causes scope issues Consider the following racket program: #lang racket (

Re: [racket] typo in HtDP

2011-11-29 Thread David Van Horn
On 11/29/11 6:55 PM, Bloch Stephen wrote: On Nov 29, 2011, at 4:31 PM, David Van Horn wrote: On 11/29/11 4:28 PM, Jakub Hadam wrote: Hello, I claim there is a typo in the online version of HtDP: Exercise 4.3.3, the first condition should be [(<=n1000) (*.040n)] instead of [(<=n1000) (*.0

[racket] Abstracting over redex language via macro causes scope issues

2011-11-29 Thread J. Ian Johnson
Consider the following racket program: #lang racket (require redex/reduction-semantics) (define-language L [bar natural] [H (side-condition (name f any) (foo (term f)))]) (define-syntax-rule (foo i) (redex-match L bar i)) This expands just fine. However, try to abstract over L via a macro: #

Re: [racket] Feature request: Ability to select text extending through matching parenthesis by mouse clicks

2011-11-29 Thread Harry Spier
Hi Robby, Many thanks. Thats exactly what I had in mind. Harry On Tue, Nov 29, 2011 at 2:47 PM, Robby Findler wrote: > I've pushed a change that makes double-clicking sexp-sensitive. Do let > me know if it is what you had in mind. > > Robby > > On Tue, Nov 15, 2011 at 7:01 PM, Neil Van Dyke >

Re: [racket] typo in HtDP

2011-11-29 Thread Bloch Stephen
On Nov 29, 2011, at 4:31 PM, David Van Horn wrote: On 11/29/11 4:28 PM, Jakub Hadam wrote: Hello, I claim there is a typo in the online version of HtDP: Exercise 4.3.3, the first condition should be [(<= n 1000) (* .040 n)] instead of [(<= n 1000) (* .040 1000)] Why? That's wha

Re: [racket] typo in HtDP

2011-11-29 Thread David Van Horn
On 11/29/11 4:28 PM, Jakub Hadam wrote: Hello, I claim there is a typo in the online version of HtDP: Exercise 4.3.3, the first condition should be [(<= n 1000) (* .040 n)] instead of [(<= n 1000) (* .040 1000)] Why? That's what's in the printed book too and it seems perfectly re

[racket] typo in HtDP

2011-11-29 Thread Jakub Hadam
Hello, I claim there is a typo in the online version of HtDP: Exercise 4.3.3, the first condition should be [(<= n 1000) (* .040 n)] instead of [(<= n 1000) (* .040 1000)] Best regards, Jakub Hadam _ For list-related administrative tasks: htt

Re: [racket] Feature request: Ability to select text extending through matching parenthesis by mouse clicks

2011-11-29 Thread Robby Findler
I've pushed a change that makes double-clicking sexp-sensitive. Do let me know if it is what you had in mind. Robby On Tue, Nov 15, 2011 at 7:01 PM, Neil Van Dyke wrote: > Harry Spier wrote at 11/15/2011 07:47 PM: >> >> What I would find useful is if by mouse clicks you could select text >> exte

[racket] POPL 2012: Call for participation

2011-11-29 Thread Swarat Chaudhuri
** * ACM SIGPLAN-SIGACT Symposium * on * Principles of Programming Languages * *January 25-27, 2012 * Philadelphia, PA, USA * * Call for Particip

[racket] LASER Summer School 2012: Innovative Languages for Software Engineering

2011-11-29 Thread Nadia Polikarpova
LASER Summer School on Software Engineering Innovative Languages for Software Engineering September 2-8, 2012 - Elba Island, Italy http://laser.inf.ethz.ch/2012/ Application deadline: March 15th, 2012 Goals - The LASER summer school, organized by the ETH Chair of Software Engineering

[racket] jaz/mysql to db conversion happiness

2011-11-29 Thread Geoffrey S. Knauth
I saw the new db interface and tried it with some trepidation, as I run all my general ledger applications with Racket programs and MySQL. To my amazement, after 15 minutes of editing, all of my tests passed on the first go. Great job, folks! I can't remember a more painless conversion experi