Re: [racket-users] Application Templates!

2020-08-20 Thread James Geddes
> On 20 Aug 2020, at 18:22, Sorawee Porncharoenwase > wrote: > > Is this intended to be something like https://docs.racket-lang.org/scaffold/? That also looks extremely useful! James -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To

Re: [racket-users] Application Templates!

2020-08-20 Thread James Geddes
Just to note that I would find this sort of thing very useful. I have struggled to package my command-line app in a way that makes it easily accessible to my colleagues (a mixture of Python developers on Macs using homebrew and non-developers on corporate Windows systems using who knows what).

Re: [racket-users] Important message about meet up on 9 April (Racket London)

2020-03-16 Thread James Geddes
Stephen, All, I think that is likely to be right. For now, I’ve kept my room booking but if the Turing or the British Library close, I will let you know. James > On 13 Mar 2020, at 21:39, Stephen De Gabrielle > wrote: > > Hi All, > > While I haven't yet, I'm expecting it will be

Re: [racket-users] racket meet-up in London ?

2020-02-24 Thread James Geddes
That sounds a great idea, I am interested. For numbers less than about 10, if it helps, I can get a meeting room in the Turing Institute (though I’m also happy to try a coffee shop, not that I have any good suggestions). James > On 24 Feb 2020, at 21:41, Stephen De Gabrielle > wrote: >

Re: [racket-users] Directory-specific installation of packages?

2019-07-29 Thread James Geddes
Alex, many thanks for the suggestions. I feel I’m putting too many obstacles in the way. (On the other hand, perhaps my situation is not so unusual.) I’m trying to make something work with as few barriers as possible, both for experienced (but non-Racket!) developers, and for Mac users who

Re: [racket-users] Directory-specific installation of packages?

2019-07-28 Thread James Geddes
; b) using the create executable function in DrRacket (or raco) to build a > stand-alone version that can be modified to distribute via homebrew > > Kind regards > > Stephen > > PS I think this is a great idea that I’m sure others will use. > > On Mon, 22 Jul 2019

[racket-users] Directory-specific installation of packages?

2019-07-22 Thread James Geddes
Dear All, For reasons (explained below, possibly foolish reasons) I am trying to do the following: 1. Have `raco pkg install` install a package X to a specific directory, including, in the same directory, all of the dependencies of X, but excluding those dependencies that are already present

Re: [racket-users] Impromptu racket meetup in London Friday, 19 July at 12pm-3pm

2019-07-12 Thread James Geddes
Given that I work inside the Library building, I will try to drop by! (I also have a Racket sticker on my laptop. Will be there around 12:30.) James > On 12 Jul 2019, at 16:20, Stephen De Gabrielle > wrote: > > Hi, > > Next Friday, 19 July at 12pm-3pm there will be an impromptu Racket

Re: Re: [racket-users] Thinking in scheme / racket

2019-07-11 Thread James Geddes
Dear Bob, My sense is that there are, perhaps, two questions: first, what's the advantage of Racket when faced with a "prosaic computational task where ... my brain defaults to writing in something like C"?; and second, how to advocate for Racket when Python (appears to be) "quite a bit

Re: [racket-users] Re: Thinking in scheme / racket

2019-07-11 Thread James Geddes
I am also interested in this problem, because many of my colleagues use Python and "isn't Python faster?" is a common argument. (Albeit one that I think is more of a rationalisation than an reason.) In this case, however, I would not have thought that there's any prima facie reason why the

Re: [racket-users] Re: Distributing executables with homebrew

2019-06-10 Thread James Geddes
Many thanks Joel, I do agree that `raco distribute` seems the way to go. Indeed, the setup described in the blog post you shared is just what I’m currently doings (so it’s nice to know I’m not doing something too crazy!). What gave me pause, however, was that homebrew seems to discourage

[racket-users] Distributing executables with homebrew

2019-06-07 Thread James Geddes
Dear All, Does anyone have experience sharing a Racket program using homebrew, for users who may or may not have the Racket distribution installed? (Homebrew is a popular package management system for the Mac.) In particular, I'd like to ensure that a certain Racket package (gregor) is

Re: [racket-users] Typed Racket segmentation fault

2019-06-05 Thread James Geddes
Racket are you using? I get a segfault in 7.2, but 7.3 > > > > works for me. > > > > > > I see the segfault in 7.1 but not in 7.2 or 7.3. Then I run it under > > > valgrind and I see it in all the versions. :) > > > It's there, but sometimes hiding

Re: [racket-users] Typed Racket segmentation fault

2019-06-05 Thread James Geddes
I'm using version 7.3, amusingly. James > On 5 Jun 2019, at 15:47, Philip McGrath wrote: > > What version of Racket are you using? I get a segfault in 7.2, but 7.3 works > for me. > -Philip > > > On Wed, Jun 5, 2019 at 10:42 AM James Geddes wrote: > Dear Al

[racket-users] Typed Racket segmentation fault

2019-06-05 Thread James Geddes
Dear All, The following Typed Racket program is intended to produce an image of the Mandelbrot set (but it doesn't bother actually displaying the image). Running the program using command-line Racket causes a crash. Specifically, Racket terminates with the error message: Segmentation

[racket-users] Unexpected error in output of :print-type

2019-06-05 Thread James Geddes
Dear All, The following output from Typed Racket is unexpected -- to me! -- can someone confirm whether I should have expected it or that it's (perhaps) a bug or known limitation? > % racket -I typed/racket > > Welcome to Racket v7.3. > > > (for/vector ([i (in-range 5)]) i) > - : (Vectorof

[racket-users] Guide and reference

2019-02-06 Thread James Geddes
on the basics; and exhaustive references that seem to contain both more than I want and less than I need. Thank you to everyone who has worked on the documentation. James James Geddes -- You received this message because you are subscribed to the Google Groups "Racket Users&q

Re: [racket-users] European Racketeers and conferences

2017-08-24 Thread James Geddes
I'm in London - not active on this list, but trying to work out how to promote Racket in my industry. (I'm building a data science team and I just struggle to like Python.) I'd be delighted if there were a European meeting, obviously the UK better for me but I appreciate borders are a pain.

Re: [racket-users] Help: How to check a typed/racket type in an untyped Racket contract?

2017-07-31 Thread James Geddes
Matthias, Thank you, that's really helpful, both for letting me know I'm not being an idiot (always welcome!) and for the example code, which makes me realise I should learn about exceptions next. Many thanks again, James --- James Geddes -- You received

[racket-users] Help: How to check a typed/racket type in an untyped Racket contract?

2017-07-28 Thread James Geddes
untyped module. Any help much appreciated! James --- James Geddes -- 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 ra