Good stuff, Jim. Well thought out. Thanks for sharing it.
Gregory
On Sun, Feb 15, 2009, at 1:00 PM, [email protected]
wrote:
Message: 9
Date: Sat, 14 Feb 2009 16:45:24 -0800
From: Jim Ault <[email protected]>
Subject: Re: Arrays and Custom Props --not trivial- agreed
To: How to use Revolution <[email protected]>
Message-ID: <c5bca5a4.5522c%[email protected]>
Content-Type: text/plain; charset="US-ASCII"
Jim Ault's good overview in response to this thread
shows that strategies for developing a working relationship with
custom props is not trivial.
Agreed. Just as building a good set of database linked tables
(schema)
takes some planning, so do custom properties.
Accessing database records is very fast, and so is accessing a custom
property. Storing very large amounts of data in fields is a much,
much
slower method of (storage, updating and accessing). Most of us
don't build
projects of large enough scale to see the difference.
One of the great things about Rev is that you have choices.
One trick for easy visibility plus fast operation is:
--store settings and preferences in a field,
-- then on closefield, copy the text to a single custom property
-- just as you do the single field
-- thus you can have it both ways!
Good for the IDE and better for the user
on closefield
put the short date && the short time into line 1 of me --time stamp
set the cpPrefsField of this stack to me -- eg. fld
"prefsAndSettings"
save this stack
get the cpPrefsField of this stack
put the lineoffset("backgroundColor", it) into pos
put line 1 of it & cr & line pos of it into msg
end closefield
Compiling the standalone will lock in both versions of the text, but
script
access using the custom property will be much faster. Remember, any
changes
to a field in a standalone can not be saved in the standalone, the
same for
any changes made by the user or a script.
Jim Ault
Las Vegas
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