Problem with zeros in lookup table
kray at sonsothunder.com
Wed Nov 22 20:18:27 CST 2006
On 11/22/06 8:08 PM, "Mark Smith" <mark at maseurope.net> wrote:
> I don't know what a stanine score is, or how you're organizing your
> scores, but you might want to put code in to check whether or not the
> raw score is empty, zero or whatever. Sometimes in Revolution you can
> include an empty variable in a numerical calculation and still get a
> numerical result, rather than an error.
That's a good point. Many times I need to check if a variable is empty or 0
and take the same action. One *could* write it this way:
if (tVar = 0) or (tVar = "") then
but another (shorter way) is:
if (tVar + 0) = 0 then
This way, if tVar is 0 or empty, it ends up becoming 0 (empty + 0 = 0).
Sons of Thunder Software, Inc.
Web site: http://www.sonsothunder.com/
Email: kray at sonsothunder.com
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