We used to have this argument all the time about the apt use of relational vs.
OO databases. As in Ed's conception, the same square can be associated with
multiple locations. Then to update all the renderings of that 1 square, say,
change its color from red to blue, all you need do is change the object and all
its renderings change as a result. That's pretty handy.
But what if you really did want multiple squares so that changing the color of
this square over here didn't change the color of that square over there? You
might want "square" to be a class but have color be an instance property so you
could change each square to a different color. Or you might even have a concept
of *scope* so that all the squares in a neighborhood changed, but no those far
away ... or only the squares that are also rotated 90° (invisibly) would change
color, but those that haven't been rotated stay whatever color they are.
To my mind, computationalists tend to think like the latter (collections of
instances) whereas analysts tend to think like the former ("normalized" or
"unified"). I'm agnostic and like both teams. But when I see one team winning,
I tend to traitoriously jump from one side to the other.
On 7/23/20 2:26 PM, Frank Wimberly wrote:
> What?
>
> On Thu, Jul 23, 2020, 2:56 PM uǝlƃ ↙↙↙ <[email protected]
> <mailto:[email protected]>> wrote:
>
> Ha! No way. If that were true, then to mow my lawn, I'd only have to mow
> the little part in the corner and voilá all the other patches would also be
> mowed.
>
> On 7/23/20 1:52 PM, Frank Wimberly wrote:
> > "is the same sized square, e.g. at {0.5,0.5}, the same square as the
> one at {10.5-10,10.5-10}"
> >
> > If you agree that 10.5 - 10 = 0.5 then same square, different name.
--
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