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Mario Wolczko wrote:
<br>Hi Mario:
<br>
<blockquote TYPE=CITE>Stefan Matthias Aust writes:
<br>> Squeak notices if there's an error when it tries to display a morph.
In
<br>> that case, a special flag is set so that this display method isn't
called
<br>> again until somebody fixes the problem and manually resets that flag.
A
<br>> flagged morph is displayed as a gray box with two crossing red lines.
<p>This is exactly what Self does (except for the gray box and red lines)
<br>- Randy and I put this code into 4.0, in '95 (before Squeak).
See our
<br>CACM paper (vol 4, #4). When it was built, the UI was pretty
robust
<br>-- we had numerous sessions with multiple users in the world at the
<br>same time, doing development. Randy and I demo'd this at ECOOP
95.
<br>If it's fragile now, it's because bitrot has set in somewhere, not
<br>because there is an inherent problem.
<br> </blockquote>
<p><br>How can I get this paper?
<p>Cheers
<br>Albertina
<blockquote TYPE=CITE>
<br>Jecel writes:
<br>> For 32 bits, 2G is a positive number for C unsigned variables but
a
<br>> negative number for signed ones. I took a quick look at space.c in
the
<br>> VM sources but didn't get far enough to see if this could be your
<br>> problem.
<p>The VM has no idea how much real memory is installed. That certainly
<br>isn't the problem.
<p>Mario</blockquote>
<pre>--
.----------------------------------------------------------.
| 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 |
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