[self-interest] Digest Number 116

[Albertina Lourenci]

Mario Wolczko wrote:
Hi Mario:


> Stefan Matthias Aust writes:
> > Squeak notices if there's an error when it tries to display a morph.  In
> > that case, a special flag is set so that this display method isn't called
> > again until somebody fixes the problem and manually resets that flag.  A
> > flagged morph is displayed as a gray box with two crossing red lines.
>
> This is exactly what Self does (except for the gray box and red lines)
> - Randy and I put this code into 4.0, in '95 (before Squeak).  See our
> CACM paper (vol 4, #4).  When it was built, the UI was pretty robust
> -- we had numerous sessions with multiple users in the world at the
> same time, doing development.  Randy and I demo'd this at ECOOP 95.
> If it's fragile now, it's because bitrot has set in somewhere, not
> because there is an inherent problem.
>

How can I get this paper?

Cheers
Albertina

>
> Jecel writes:
> > For 32 bits, 2G is a positive number for C unsigned variables but a
> > negative number for signed ones. I took a quick look at space.c in the
> > VM sources but didn't get far enough to see if this could be your
> > problem.
>
> The VM has no idea how much real memory is installed.  That certainly
> isn't the problem.
>
> Mario

--
.----------------------------------------------------------.
| Albertina Lourenci                                       |
| PhD  in Architecture and Urbanism                        |
| post-doctorate researcher                                |
| Laboratory of Integrated Systems University of Sao Paulo |
| Avenida Professor Luciano Gualberto, 158 Travessa 3      |
| CEP: 05508-900                                           |
| Sao Paulo Sao Paulo State Brazil                         |
| Voice: +55 011 818 5254                                  |
| Fax: +55 11 211 4574                                     |
.----------------------------------------------------------.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.selflanguage.org/pipermail/self-interest/attachments/20010301/46f1a27d/attachment.html>