[racket-users] tail-position in for/list form?

Question: In the definitions window of DrRacket: #lang racket (for/list ((x (in-list '(a b c))) (k (in-naturals))) (cons k x)) When I place the cursor on the leftmost parenthesis of the for/list form, I see a pink arrow to the subexpr (cons k x). How can (cons k x) possibly be in tail position o

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

Thanks I just found the documentation for 'get-transformation' which details the matrix: http://docs.racket-lang.org/draw/dc___.html#%28meth._%28%28%28lib._racket%2Fdraw..rkt%29._dc~3c~25~3e%29._get-transformation%29%29 ...and submitted a pull-request to add the link to 'get-transformation'

Re: [racket-users] Re: Linux packages?

The official release for openSuse leap is only 5.3 -- 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, v

Re: [racket-users] Re: Linux packages?

On Tue, Aug 16, 2016 at 10:46:51PM -0700, Andreas Olsson wrote: > If there was packages for the major dists like fedora, ubuntu and suse on the > racket homepage it would be easier for people to get. It would help racket > becoming a little more known and used. Debian has a racket package. Also

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

Hi Stephen, There is a brief description on transformations in the documentation for the method get-transformation of dc%. Basically the vector part is the coefficients xx xy yx yy x0 y0 (in that order - I think - maybe xy and yx are swapped) of an affine transformation: xnew = xx*x + xy

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

Hi, How do you use the 'make-brush' '#:transformation' vector[11] argument? What should the vector contain? http://docs.racket-lang.org/draw/Drawing_Functions.html#%28def._%28%28lib._racket%2Fdraw..rkt%29._make-brush%29%29 Kind regards, Stephen -- You received this message because you are

Re: [racket-users] racket/db, creating queries from fetched values

On 8/16/2016 3:57 PM, Kristjan Siimson wrote: Basically when I said "query" I meant the SQL-language strings, which can be copy-pasted and executed independently. Some utilities (Percona tools) call it "dry run"; the queries are printed as strings for end user verification, and they never reac