On Oct 21, 2008, at 10:26 AM, rickm45 wrote:
I have been trying to access http://www.squeak.org over the past
week and
always get "10061 - Connection refused". Firefox or IE. I can access
news.squeak.org though but not the others, ie, map.squeak.org, etc.
I've
tried from work and home
On Oct 12, 2008, at 12:13 PM, Matthew Fulmer wrote:
yes. Make a subclass.
overriddenMethod
Transcript show: 'This is the before aspect'; cr.
super overriddenMethod
Transcript show: 'This is the after aspect'; cr.
should have been more clear on that.
want to go in the opposite direc
I've been working on some code using Proxies to step in front of
method calls and now have an explosion of Proxy objects that
aren't doing anything to make the design clearer. Far from it ( see
previous thread 'locking' an object ).
I've come back around to my initial inspiration for the desi
On Oct 2, 2008, at 1:18 PM, Bert Freudenberg wrote:
If you wanted to take a mutable object and make it immutable and be
able to go back again to mutable,
how could you do that?
What is your use case?
use case.
system needs to track changes to itself.
one option that has come up is...
l
On Oct 2, 2008, at 1:18 PM, Bert Freudenberg wrote:
Well, it's hardly a beginner's topic, but you could make your class
use a modified compiler that protects instance variable assignment
by the check of an "immutable" flag.
This is basically how Avi's WriteBarrier works.
I'm going to hav
On Oct 2, 2008, at 2:31 PM, Marcin Tustin wrote:
On Thu, Oct 2, 2008 at 6:17 PM, Sean Allen <[EMAIL PROTECTED]
> wrote:
You'd have to specially code each accessor in that case to check the
flag.
Yes. This is unlikely to be a problem unless you have a lot of
members.
lots
es all of the accessors to throw an exception when it
is set.
Or am I missing something?
On 10/2/08, Randal L. Schwartz <[EMAIL PROTECTED]> wrote:
>>>>> "Sean" == Sean Allen <[EMAIL PROTECTED]> writes:
Sean> If you wanted to take a mutable object and make i
If you wanted to take a mutable object and make it immutable and be
able to go back again to mutable,
how could you do that?
In particular the part that has me as a smalltalk beginner stumped is
how to disallow any messages
that would result in a state change while still allowing messages tha
On Aug 5, 2008, at 10:52 AM, Randal L. Schwartz wrote:
"Sean" == Sean Allen <[EMAIL PROTECTED]> writes:
Sean> I have a feeling the secret to unraveling that confusion comes
from this:
Sean> 'true and false and some of the very few objects known to the
VM
On Aug 5, 2008, at 8:54 AM, Michael Rueger wrote:
Sean Allen wrote:
where do true and false spring into existence?
They have been around longer than some people on this mailing list ;-)
i've been poking around and cant figure it out.
true and false and some of the very few ob
where do true and false spring into existence?
i've been poking around and cant figure it out.
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I'm wondering, the Color handling of different colors like blue etc
where it dynamically creates class variables for a number of colors,
is that the standard idiom or as the code looks to be kind of old, is
it no longer accepted practice.
If I needed to do something similar should I be follow
On Aug 2, 2008, at 10:50 AM, Benjamin Schroeder wrote:
On Aug 2, 2008, at 10:43 AM, Sean Allen wrote:
if I have class foo that is meant to only be descended from,
never instantiated directly. and it has method bar that needs
to made concrete by its descendents, what is the standard idiom
On Aug 2, 2008, at 12:44 AM, Matthew Fulmer wrote:
On Sat, Aug 02, 2008 at 12:08:51AM -0400, Sean Allen wrote:
you have an instance variable you only want to allow to set once,
never again ( in that fashion its like variable binding in erlang. )
what is the accepted smalltalk way to do this
On Aug 1, 2008, at 6:01 PM, Randal L. Schwartz wrote:
"Sean" == Sean Allen <[EMAIL PROTECTED]> writes:
Sean> If I have beginner Smalltalk questions. What is the best forum
for
Sean> asking those?
Sean> Here even if they aren't squeak specific?
If you&
If I have beginner Smalltalk questions. What is the best forum for
asking those?
Here even if they aren't squeak specific?
Some other mailing list?
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but i'm using squeak as my 'really learn smalltalk' einvironment so...
can any suggest any good reading, books, websites, whatever for
learning the ins and outs
of how exceptions, signals etc work in smalltalk. i'm interested in
both an 'end user'
perspective as a start but getting into the n
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