How about adding `racket/sandbox/keys':
#lang racket/base
(provide (protect-out suspend-file-security-key))
(define suspend-file-security-key (gensym))
;; maybe more keys for other sandbox controls
and then have "main-collects.rkt" wrap its use of
`find-executable-path' to install a mark w
(I said "mark" meaning continuation mark. FWIW.)
On Sun, Jan 15, 2012 at 7:05 PM, Eli Barzilay wrote:
> Yesterday, Robby Findler wrote:
>> Perhaps the right thing is to have the setup code export a small
>> library that contains a "is my mark bound in the context" function
>> and then the sandbox
Yesterday, Robby Findler wrote:
> Perhaps the right thing is to have the setup code export a small
> library that contains a "is my mark bound in the context" function
> and then the sandbox can call that function when deciding whether or
> not to grant permission.
>
> (That has the dependencies g
50 minutes ago, Robby Findler wrote:
>
> I'm not sure either (this is certainly not the only contract that's
> checked during the execution of PLAI programs, but maybe it's the
> only provide/contract one?), but once I disabled that, my sample
> solution for the next exercise went through.
>
> It
On Sun, Jan 15, 2012 at 5:00 PM, John Clements
wrote:
>
> On Jan 14, 2012, at 8:19 PM, Robby Findler wrote:
>
>> Perhaps the right thing is to have the setup code export a small
>> library that contains a "is my mark bound in the context" function and
>> then the sandbox can call that function whe
On Jan 14, 2012, at 8:19 PM, Robby Findler wrote:
> Perhaps the right thing is to have the setup code export a small
> library that contains a "is my mark bound in the context" function and
> then the sandbox can call that function when deciding whether or not
> to grant permission.
>
> (That ha
At Sun, 15 Jan 2012 13:59:33 -0500, David Van Horn wrote:
> I bet it's exact arithmetic. Racket sees 1.2 as an inexact number,
> while *SL sees it as exact. Try inserting "#i" before any literal
> numbers in the code and see if that does the trick.
Yep. Jordan sent some of us the code, and tha
At Sun, 15 Jan 2012 10:46:17 -0700, Jordan Schatz wrote:
> Does sirmail have any spam filtering abilities?
No. I (as the only SirMail user) rely on server-side filtering.
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On 1/12/12 2:48 PM, Jordan Johnson wrote:
Hi all,
A student presented me this morning with an implementation he'd written of
Pong, which, after about a minute and a half of running (in BSL) was so slow on
his Mac that it was unusable; specifically, the apparent speed slowed down a
lot, and th
> What language difference(s) might be responsible for the vast performance
> difference we're observing? If it would be helpful to see the code I can
> share it, but it's about 1000 LoC and I don't think it's proper to post it
> publicly. I've tried to construct a small program that shows the
Does sirmail have any spam filtering abilities? I see the filtering of
messages based on a message header regexp but I'm in need of something
that learns from spam / ham and can autoclassify.
Thanks,
Jordan
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