I think I have had similar errors, but these were outside drracket. I can't
recall exactly, but I think they were either commandline raco compilations or
commanline gracket executions. I had to remove all compiled directoried
manually an rerun the command to bypass the situation. That I recall c
On Sat, Sep 17, 2011 at 9:58 PM, Robby Findler
wrote:
> On Sat, Sep 17, 2011 at 8:40 PM, Guillaume Marceau wrote:
> That would be great too. Emacs uses C-x ` for that.
How about a keystroke to jump to the place plus it colors things in
when you mouse over the right thingy in th
On Sat, Sep 17, 2011 at 8:40 PM, Guillaume Marceau wrote:
That would be great too. Emacs uses C-x ` for that.
>>>
>>> How about a keystroke to jump to the place plus it colors things in
>>> when you mouse over the right thingy in the right margin?
>
> Eclipse uses C-. and C-, for next-error a
That would be great too. Emacs uses C-x ` for that.
How about a keystroke to jump to the place plus it colors things in
when you mouse over the right thingy in the right margin?
Eclipse uses C-. and C-, for next-error and previous-error.
Emacs also binds M-n to next-error (in addition to C-x
There could definitely be a bug where something is not comparing paths
properly somehow. If you can give me more help to reproduce the bug that
would be a big help.
To start I think just sending me the logging tool directory (and saying
where it was (collects, link?)) would probably help me make p
> Are these files in the collects tree or elsewhere?
I have separate collects trees for each version.
Occasionally, I do get the error in the collect tree for my git repo.
Earlier today I did,
git pull
./raco setup -D
./DrRacket
and received the version error for
collects/planet/priva
Are these files in the collects tree or elsewhere? If elsewhere, then
drracket should be taking care of this for you (unless you turn off the
automatic compilation option). If in the collects tree then you probably
want multiple copies of the collecs tree to go along with your multiple
binaries (I
I understand. It would help if you could tell me what would have been
useful to drop from the output -- this feedback helps us a great deal.
There is *some* configurability:
- no trace command = just run the program
- (trace-all)
- (trace-failed-checks) = just the tests that failed
- (trace-e
Thanks all for the comments. I have solved the problem now. I suppose I
should refrain from posting my full solution, though I am worried it's a
bit hacky and inelegant. Basically, I found that the lists contained
elements suitable of permuting about the leaves of the partial trees. It
wasn't m
I test my code against the many different versions of DrRacket, which
means I switch version several times a day.
Each time I launch a different version of DrRacket, I inevitably forget
to recompile some library that's in my PLTCOLLECTS, or in my raco link
table, which means I get lots of "cod
Something else to think about is how you get from one answer to the next.
For example, it looks like (distinct-trees 2) is just (distinct-trees
1) with a new tree added as both a left and right child. Ask yourself
how (distinct-trees 3) is related to (distinct-trees 2), how
(distinct-trees 4) is r
Hi Charlie,
Yep, Catalan numbers!
Here's something that may help. Add the following two lines to the
top of your file --
#lang planet tracer/tracer
(trace-all)
-- and put a concrete call at the end, eg:
(num-distinct-trees 3)
Go to Language | Choose Language... and select the option at the
On 17/09/11 23:04, Nadeem Abdul Hamid wrote:
Do you have some examples? Concrete examples of possible input values
and what you expect the corresponding output to look like? And if the
function expects integers as input, then what is the difference in the
output between two successive input value
On 17/09/11 23:04, Nadeem Abdul Hamid wrote:
Do you have some examples? Concrete examples of possible input values
and what you expect the corresponding output to look like? And if the
function expects integers as input, then what is the difference in the
output between two successive input value
Do you have some examples? Concrete examples of possible input values
and what you expect the corresponding output to look like? And if the
function expects integers as input, then what is the difference in the
output between two successive input values like 2 and 3? 4 and 5? 0
and 1?
On Sat, Sep
Hello,
I should probably warn you that this is a homework question, but I have
tried to solve it, honestly.
"Construct a program that outputs (in some order) all structurally
distinct binary trees of n nodes. Two trees are considered structurally
distinct if they have different numbers of n
- Original Message -
> From: Matthew Flatt
> The latest nightly build works correctly on my machine.
That seems to fix things. Many thanks!
_
For list-related administrative tasks:
http://lists.racket-lang.org/listinfo/users
On Sat, Sep 17, 2011 at 1:43 PM, Jeremy Kun wrote:
> Is there a function that converts a list into a values expression which
> contains every element of the list?
(define (list->values xs)
(apply values xs))
> I've run into a bit of trouble trying to
> implement something like it myself, and i
Jeremy Kun wrote at 09/17/2011 01:43 PM:
Is there a function that converts a list into a values expression
which contains every element of the list? I've run into a bit of
trouble trying to implement something like it myself, and it's
probably because I don't understand exactly how values is us
>> Is there a function that converts a list into a values expression which
>> contains every element of the list?
> (apply values (list 1 2 3))
1
2
3
>> I've run into a bit of trouble trying to
>> implement something like it myself, and it's probably because I don't
>> understand exactly how va
Is there a function that converts a list into a values expression which
contains every element of the list? I've run into a bit of trouble trying to
implement something like it myself, and it's probably because I don't
understand exactly how values is used (or supposed to be used).
My use case is
Matthias Felleisen wrote at 09/17/2011 12:27 PM:
What we really need is a #lang pre.
Would modules done in "#lang pre" provide an intermediate
representation, so that different target architecture backends could
require the module and emit FPGA HDL, JVM bytecode, some assembler, etc.?
If
What we really need is a #lang pre.
On Sep 17, 2011, at 12:24 PM, Neil Van Dyke wrote:
> If someone wanted to implement a somewhat Racket-like language for FPGAs,
> PreScheme is worth looking at.
> http://mumble.net/~kelsey/papers/prescheme.ps.gz
>
> --
> http://www.neilvandyke.org/
> _
If someone wanted to implement a somewhat Racket-like language for
FPGAs, PreScheme is worth looking at.
http://mumble.net/~kelsey/papers/prescheme.ps.gz
--
http://www.neilvandyke.org/
_
For list-related administrative tasks:
http://lists.racket-
I think we need "web-flow/web-server-flow.rkt" and its dependencies to
diagnose this problem. Is that code available somewhere?
At Sun, 11 Sep 2011 10:10:44 +0530, Veer wrote:
> When I click Scribble HTML in DrRacket for code below
>
> #lang scribble/manual
> @(require (for-label racket "web-flow
At Wed, 14 Sep 2011 11:50:07 -0300, Eduardo Bellani wrote:
> I am trying to build in-source scribble documentation for classes and
> methods and I am a bit confused as to how to proceed.
Documentation in the style of `defclass' is supported by `provide/doc'
at the moment.
Unfortunately, improveme
At Tue, 13 Sep 2011 15:32:29 +0300, "Jukka Tuominen" wrote:
> I wonder if there's a way to return values in #lang racket/load other than
> specifically printing them out?
Not currently. The `racket/load' language is (currently) intended to be
like `load', which also doesn't print out intermediate
At Sun, 4 Sep 2011 08:10:51 -0600, Matthew Flatt wrote:
> At Sun, 4 Sep 2011 10:30:03 +0100 (BST), Mark Carter wrote:
> > 6. raco setup >err.txt
> >
> > err.txt seemed to highlight a number of errors multiple times:
> >
> >
> > 1. raco setup: error running: (lib scribblings/main/search.scrb
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