I asked students to go to File | Install Package (not the DWIM box). From
there, I too get this "inferred package name includes disallowed
characters" message as Robby. But that isn't what my student got… So it
seems a bit unlikely this is the issue?
There is the possibility this is somehow differ
Is there a way to run Racket so that every immuable cons is made with
a hashcons operation; i.e. it makes a new cons scel only if there
isn't already one in memory somewhere with the same car and cdr
values?
-- hendrik
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I was able to follow John's instructions and I get what Shriram had in the
original message, so that seems like it is on the right track.
Confusingly, however, I also seem to be getting this more helpful message:
DrRacket install: invalid package source;
inferred package name includes disallowed
The r6rs number syntax has explicit cases for +i and -i
http://www.r6rs.org/final/html/r6rs/r6rs-Z-H-7.html#node_sec_4.2
Robby
On Thu, Sep 10, 2020 at 7:27 PM Sorawee Porncharoenwase <
sorawee.pw...@gmail.com> wrote:
> I think you read the doc correctly, but there are programs that use +i
>
It's not me doing this, it's a student. I agree this is always a
possibility. But note that it also happened to a TA. I suppose they could
all have been making the same mistake.
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Shriram, have you ruled out the classic multi-paste prolem? It looks very much
like that’s what you’re seeing here.
That is, if you paste a string that ends with a newline into the “do what I
mean” box, it will appear still to be blank. So you paste it again. So you
paste it again. Eventually y
I think you read the doc correctly, but there are programs that use +i and
-i, so it's unclear if fixing the reader is desirable. Perhaps the
documentation should be adjusted instead.
Here’s an example of how people use +i and -i:
https://github.com/mbutterick/aoc-racket/blob/master/2019/03.rkt#L2
It looks like -i cannot be used as an identifier because it evaluates to the
complex number 0-1i. So in the v7.8 REPL, (define -i "foo") fails. I noticed
this when trying to map CLI flag strings to identifiers. -i was the only one in
the set to fall over.
In the Reading Numbers section of the r
On 9/10/2020 10:06 AM, Philip McGrath wrote:
Also, this is happening over encrypted HTTPS: no one is sniffing the
User-Agent header.
While it may not be the issue here, you need to understand that
appliance firewalls CAN and routinely DO examine data inside encrypted
connections.
George
The original student (on Windows 10) has confirmed they were able to
install with raco on the shell, which further lends credence to the
likelihood that the PM and raco are doing something differently.
(I have some other issues w/ the caching and how clearing out the trash
doesn't seem to affect t
Also, this is happening over encrypted HTTPS: no one is sniffing the
User-Agent header.
My initial attempt to reproduce in the GUI package manager was foiled
because I’d first tried installing at the command line, and the package
manager used a cached copy of the repository. From Shriram’s update
Please note that, per my message last night, this is also happening (my TA
claims he saw the *identical* text: multiple red lines, etc.) on macOS 11.
So it's not just for Windows any more.
On Thu, Sep 10, 2020 at 9:20 AM George Neuner wrote:
>
> On 9/10/2020 7:37 AM, Hendrik Boom wrote:
> > On T
On 9/10/2020 7:37 AM, Hendrik Boom wrote:
On Thu, Sep 10, 2020 at 12:49:25AM -0400, George Neuner wrote:
>
> I don't know if DrRacket even sends a "user agent" string.
If DrRacket can send a user agent string, so can malware.
So it's not really reliable to filter on the user agent string.
On Thu, Sep 10, 2020 at 12:49:25AM -0400, George Neuner wrote:
>
> I don't know if DrRacket even sends a "user agent" string.
If DrRacket can send a user agent string, so can malware.
So it's not really reliable to filter on the user agent string.
-- hendrik
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