[IAEP] GPA Notes from visit on Wed July 8

Tomeu Vizoso tomeu at sugarlabs.org
Thu Jul 9 05:24:21 EDT 2009


On Thu, Jul 9, 2009 at 08:25, Anurag Goel<agoel23 at gmail.com> wrote:
> Here are some of the specs for the GPA computers that I noted down earlier
> this summer:
>
> -HP Evo 500
> -1.7 GHZ
> -512 MB RAM
>
> I feel that most hardware issues are due to lack of memory.

Why that feeling? 512MB should be more than needed for Sugar. If it
isn't, we should check what's going on, we could have leaks, etc.

Regards,

Tomeu

> On Wed, Jul 8, 2009 at 7:51 PM, Gary C Martin <gary at garycmartin.com> wrote:
>>
>> Hi Greg,
>>
>> First, thanks for the great write up!
>>
>> On 8 Jul 2009, at 20:40, Greg Smith wrote:
>>
>> > Seemed  like a lot to me but most kids did it with a little help at
>> > some steps. The other hard work flow was creating two images, one
>> > right after the other. Here are the steps for that:
>> >
>> > - Open paint
>> > - Create painting
>> > - Change name
>> > - Click keep button (there's no feedback that it was saved, definitely
>> > need something there)
>> > - Change the name again
>> > - Click Edit tab and erase the whole picture
>> > - Paint new picture
>> > - Save new picture
>>
>> These steps show a very common mistake/misunderstanding based around a
>> central design idea in Sugar – and likely show that idea to be a
>> dangerous and/or poorly implemented one. It ties into the whole idea
>> behind Journal, Activities, Keep, and Stop.
>>
>> Activities do not save, in the traditional sense, when you hit that
>> keep button. The object you generate with 'keep' is of the the same
>> 'Activity' but with a different state. You end up with a trial of what
>> looks like saved objects in your Journal with different states (sounds
>> fine so far...). But try resuming any 2 of them at once... The first
>> resume will work as expected, the 2nd will just switch you to the
>> already opened Activity instance... Sugar believes them to be the same
>> Activity, just different revisions, like a hidden chain of versions.
>> I'd certainly suggest you not try collaborating with objects created
>> like this, especially Write. You WILL be in a world of pain and WILL
>> very likely lose work. But in the above case, the importing of such
>> objects into Memorise luckily avoided the 'same activity id' problem.
>>
>> The correct procedure with current (and past) Sugar is:
>>
>> - Open new Paint Activity
>> - Create painting
>> - Change name
>> - Click stop
>> - Repeat
>>
>> This way each Journal entry is a new, separate Activity – no hidden
>> barbed-wire code hooking it to other seemingly separate entries.
>>
>> Regards,
>> --Gary
>>
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>
>
>
> --
> Anurag Goel
>
> _______________________________________________
> IAEP -- It's An Education Project (not a laptop project!)
> IAEP at lists.sugarlabs.org
> http://lists.sugarlabs.org/listinfo/iaep
>


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