At Sun, 5 Feb 2012 10:35:47 -0700, Matthew Flatt wrote:
> The decision of whether `racket/gui/base' is available is made through
> `gui-available?'. That the check happens once at the top level of
> `racket/sandbox', which unfortunately makes it sensitive to the order
> of modules in the program th
The `make-module-evaluator' function should attach an instance of
`racket/gui/base' in its module's namespace to the newly created
sandboxed namespace, but there is a problem...
The decision of whether `racket/gui/base' is available is made through
`gui-available?'. That the check happens once at
As a follow-up question, here is what I've been doing to load in
student files, which may be either plain text files, or in the WXME
format. (It used to work, but I guess not since the update to the GUI
framework.) First, I use file->bytes to read in the bytes of their
file. Then, given:
data : b
I'm having a problem with the error "cannot instantiate
`racket/gui/base' a second time in the same process" in a script that
I have to perform automated testing of student BSL programs. My script
requires 2htdp/image for its own purposes and uses
make-module-evaluator to create an evaluator for a
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