Donald.Major at sas.com
Mon Nov 14 15:39:18 UTC 2005
Actually, he's right -- it REALLY pegs the CPU -- ALT/CTL/CMD-. doesn't
cut it (at least not for me, even after trying for a minute. It appears
to require killing Squeak.
On the other hand, I'm not sure about the wisdom of instantiating an
abstract class in the first place -- the whole idea is that it SHOULDN'T
have an instance anywhere in the system -- only any concrete subclasses
should be instantiated.
But I do admit I'm surprised the system didn't catch that fact and
Hernan Tylim wrote:
> Hi Bob, a tip that may help you.
> When you experience lock ups hit ALT+. (dot). It will interrupt the
> currently executing operation on the GUI thread. It's not that Squeak
> is blocking but the GUI process. When that happens the interrupt key
> will help you to figure out where the block happened, fix it and save
> your work. Nevertheless is good policy to treat your images as
> disposable and to save them frecuently :)
> Bob.Cowdery at CGI-Europe.com wrote:
>> Ok - I admit I don't know what I am doing but then that's always the
>> best way to break something. Is Squeak that flaky or am I just being
>> really unlucky? I have to say I have had more lock-ups in the short
>> time I have been using Squeak than in any other language system I have
>> used. Quite a few in Morphic but the last one simply doing this:
>> x := SequenceableCollection new, then try to print x. Lock-up + 100%
>> CPU. The only response is from the main window, quit without saving
>> then kill squeak as it's still running.
>> I was simply trying to understand why forceTo: paddingStartWith:
>> didn't work if the length was more than the original string. What I
>> wanted to do was add a calculated number of padding '0' characters in
>> front of my string. I was using a base class method because padded:
>> to: with: also didn't work if to: was greater than the string length.
>> I must be reading these completely wrong somehow. Can someone restore
>> my confidence please.
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