No, my problem is coming from a world with a robust LinkedList implementation. Good times.
Anyhow, I'll look into the Demo Test Papers and see if they can help me with ListCollectionView .. thanks guys! :-) Bjørn 2008/11/25 Jules Suggate <[EMAIL PROTECTED]> > Bjorn, are you certified? Perhaps that's your problem ;^) > > > On Tue, Nov 25, 2008 at 21:57, Ashish Verma <[EMAIL > PROTECTED]<verma.lucky%40gmail.com>> > wrote: > > Hello All, > > > > I want to be Flex Certified. from where i can get the Demo Test Papers. > > > > Thanks > > Ashish > > > > On Fri, Nov 21, 2008 at 10:51 PM, bjorn <[EMAIL > > PROTECTED]<itrashmail%40gmail.com>> > wrote: > >> > >> I experienced some problems with ArrayCollection's removeItemAt(). It > >> seemed to work... randomly. > >> > >> Tucked away in the documentation i found this little gem: > >> "Note: If you use the ICollectionView interface to sort or filter a > >> collection, do not use the IList interface to manipulate the data, > because > >> the results are indeterminate." > >> > >> My problem, of course, was that I had a sort on the ac, and that I used > >> IList's removeItemAt(). > >> > >> I don't understand the rationale behind this, maybe someone can explain > to > >> me why it's difficult to implement removeItemAt() on a > >> sorted ArrayCollection ... I mean, I _am_ working with sorted data here, > so > >> when I say index 11 I mean index 11 on the sorted data. That's the data > I > >> see, that's the data I'm using, I don't need to know anything about the > >> underlying Array and the element's _real index_ ....the ArrayCollection > >> knows which element this refers to in the underlying Array, so there > >> shouldn't be a problem ...? > >> > >> Anyway, given the restraints we're working with here - what is the best > >> way to approach this? I need to be able to remove items from a sorted > >> ArrayCollection - any best practices? > >> > >> Bjørn > >> -- > >> ========================== > >> http://www.juicability.com - flex blog > >> http://www.expressionengine.no - ExpressionEngine; the world's most > >> flexible cms > > > > > > > -- ======================== http://www.juicability.com - flex blog http://www.nospoiler.com - link to youtube videos without the spoilers

