Please work your way thru HtDP/2e first. Realm assumes people have seen a full course on programming (2e is almost complete) and have the maturity to work through some typical first problems. When you're done Realm will be just fine for you. -- Matthias
On Nov 3, 2013, at 6:19 AM, Saad Bashir wrote: > But I have another question. What should I do if need to go back to BSL from > time to time as I am still working with Htdp/2. > > Will you advise to go through Realm of Racket fully and then re-try Htdp/2? > > Saad > > > On Sun, Nov 3, 2013 at 2:14 PM, Geoffrey S. Knauth <ge...@knauth.org> wrote: > Glad you got it working! > > > On Sun, Nov 3, 2013, at 6:11, Saad Bashir wrote: >> Thank you for your help. I reinstalled Racket and chose the correct language >> and the problems is solved. >> >> Great forum. >> >> Saad >> >> >> On Sun, Nov 3, 2013 at 1:50 PM, Saad Bashir <bashir.s...@gmail.com> wrote: >> Thank you very much. >> >> I surmised as much but the problem is when I go to the language option in >> Racket and click on choose language, there is no option for Racket language. >> >> What should I do? >> >> Saad >> >> >> On Sun, Nov 3, 2013 at 12:47 PM, Geoffrey S. Knauth <ge...@knauth.org> wrote: >> >> >> Saad, at first I thought the problem was you put a space after the >> single-quote mark. I tried what you entered using the Beginning Student >> with List Abbreviations language, and it worked, space or no space: >> >> >> > '((1 3 5 7 9) (2 4 6 8 0)) >> (list (list 1 3 5 7 9) (list 2 4 6 8 0)) >> > ' ((1 3 5 7 9) (2 4 6 8 0)) >> (list (list 1 3 5 7 9) (list 2 4 6 8 0)) >> >> Then I tried with the Beginning Student Language, and I got what you got: >> >> '((1 3 5 7 9) (2 4 6 8 0)) >> quote: expected the name of the symbol after the quote, but found a part >> >> Then I thought, "Better look at Realm of Racket." On page 21, the page >> before page 22, it says that for the immediately following examples, you >> should pick "The Racket Language" (not Beginning Student Language). >> >> Geoff >> >> On Sun, Nov 3, 2013, at 4:11, Saad Bashir wrote: >>> I have been working with Htdp/2 as an absolute beginner and finding it >>> difficult have switched to Realm of Racket. >>> >>> In the first pages it asks one to download Racket which I already have but >>> in the BSL mode. When using it I type in the following in the interactions >>> panel as advised by Realm of Racket to see about lists (page 22): >>> >>> ' ((1 3 5 7 9) (2 4 6 8 0)) >>> >>> the message I get is: >>> >>> quote: expected the name of the symbol after the quote, but found a part >>> >>> It does not return the list as it is supposed to in the book. >>> >>> Is this because I am using BSL? If so what should I do/ >>> >>> Thank you for any help. >>> >>> Saad >>> ____________________ >>> Racket Users list: >>> http://lists.racket-lang.org/users >> >> -- >> Geoffrey S. Knauth | http://knauth.org/gsk >> >> >> >> >> ____________________ >> Racket Users list: >> http://lists.racket-lang.org/users >> >> >> > > -- > Geoffrey S. Knauth | http://knauth.org/gsk > > > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users
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