Re: [racket-users] Collections and data structures wishlist?

On Fri, Jan 25, 2019 at 11:33:09AM -0800, Jack Firth wrote: > > Due to the kind of data that would go in tuples - namely, a fixed-sized > heterogeneous collection of values - a function probably *shouldn't* use > map and filter to process tuples. A program that calls filter on an x-y-z >

Re: [racket-users] Collections and data structures wishlist?

> On Jan 26, 2019, at 8:31 AM, Hendrik Boom wrote: > > On Fri, Jan 25, 2019 at 07:50:56PM -0500, Matthias Felleisen wrote: >> >> Yes. See Clojure history. — Matthias > > Given the amount of text you have quoted, it's not clear what you are > saying yes to. Hickey: "we tweak Perlis one

Re: [racket-users] Beginning of the end for googlegroups?

On Fri, Jan 25, 2019 at 08:51:18PM -0500, Neil Van Dyke wrote: > Google has shut down many services, including some surprising ones. Without > getting alarmed, I think it's reassuring that we could handle an end-of-life > of Google Groups on fairly short notice, if that ever happened... > >

Re: [racket-users] Collections and data structures wishlist?

Matthias, where can I find this "History of Clojure"? I searched for "It is better to have 100 transducers ..." and found no result (besides this very thread). I also searched for "History of Clojure" and only found this tweet from

Re: [racket-users] Collections and data structures wishlist?

> On Jan 26, 2019, at 9:03 AM, Sorawee Porncharoenwase > wrote: > > Matthias, where can I find this "History of Clojure"? I searched for "It is > better to have 100 transducers ..." and found no result (besides this very > thread). I also searched for "History of Clojure" and only found this

[racket-users] Re: Beginning of the end for googlegroups?

I've always wondered, why Racket uses Google groups and guesses, that it is because of low setup effort required. In such cases the darker side of lock in system shows: Not so easy to get away from them. When the lights go out it is possible to lose everything. It's very similar to the effect some

Re: [racket-users] Beginning of the end for googlegroups?

At Sat, 26 Jan 2019 09:15:05 -0500, Hendrik Boom wrote: > Annoying, considering that we used to have our own mailing list long ago. > Why did we ever switch? Because no one stepped up to maintain the maintain the mailing list. Running a mail server is a huge pain, and those of us who were doing

Re: [racket-users] snake game

Hi Matthias , I am sorry but I still did get it. should I import the snake file that was written in "Beginning Student with List Abbreviations" and the code will be chnaged to pretty big ? or only the "check-expect" is been chnaged from "Beginning Student with List Abbreviations" to pretty

Re: [racket-users] Beginning of the end for googlegroups?

On Sat, Jan 26, 2019 at 09:15:05AM -0500, Hendrik Boom wrote: > > Google dowa have Google takeout. I've used it to download my > contributions to Google plus. No, it didn't quite do everything; in > particular I've notices that images are missong from reposted posts. > > But I believe one

Re: [racket-users] Beginning of the end for googlegroups?

On Fri, Jan 25, 2019 at 05:48:32PM -0700, Jack Rosenthal wrote: > On Fri, 25 Jan 2019 at 23:59 +0100, 'Paulo Matos' via Racket Users wrote: > > Not sure of the size of the mailing list but I wonder if this is the > > beginning of the end and we should have instead a plan B. > > We could always go

Re: [racket-users] Beginning of the end for googlegroups?

FWIW, I still agree with the original decision to move the lists to Google Groups, given the circumstances.  Also, IIRC, John asked the community for comments before doing it.  I understood the choice then, and, more recently, I chose Google Groups for the `racket-money` list, after similar

Re: [racket-users] Collections and data structures wishlist?

On Sat, Jan 26, 2019 at 09:19:11AM -0500, Matthias Felleisen wrote: > > > On Jan 26, 2019, at 9:03 AM, Sorawee Porncharoenwase > > wrote: > > > > Matthias, where can I find this "History of Clojure"? I searched for > > "It is better to have 100 transducers ..." I'd love even to know what he

Re: [racket-users] Collections and data structures wishlist?

On 26 Jan 2019, at 15:39, Hendrik Boom wrote: On Sat, Jan 26, 2019 at 09:19:11AM -0500, Matthias Felleisen wrote: On Jan 26, 2019, at 9:03 AM, Sorawee Porncharoenwase wrote: Matthias, where can I find this "History of Clojure"? I searched for "It is better to have 100 transducers ..."

Re: [racket-users] snake game

This is a working PB program: (require test-engine/racket-tests) (require 2htdp/image) (require 2htdp/universe) (big-bang 100 (to-draw (lambda (x) (circle (+ x 1) 'solid 'red))) (on-tick sub1) (stop-when zero?)) (test) Now please do the rest of your homework yourself. > On Jan 26,