Hi,
Sorry, I didn't mean that you were doing too much work, just that it's too
much work to require every administrator to do.
And a "Forbid nulls" special property would be a nice idea.
-Yaron
On Thu, Jul 24, 2008 at 1:16 PM, Temlakos <[EMAIL PROTECTED]> wrote:
> Yaron:
>
> Maybe it's a lot of work, but I have another reason to use #if
> statements: formatting. My templates are either "infoboxes" or else are
> query-driven and thus in no danger of producing a null annotation. And a
> dangling infobox line looks worse than a null-value warning.
>
> Temlakos
>
> Yaron Koren wrote:
> > Hi,
> >
> > Yes, it's possible to get around this problem using #if statements,
> > but that seems like an awful lot of work: an #if call for every field
> > in every template.
> >
> > And null values wouldn't have to be stored in the semantic-property
> > tables, just like (I assume) they're not stored now, so there wouldn't
> > have to be any extra precautions taken for such values - no
> > show-stopping expected.
> >
> > -Yaron
> >
> > On Thu, Jul 24, 2008 at 11:44 AM, Temlakos <[EMAIL PROTECTED]
> > <mailto:[EMAIL PROTECTED]>> wrote:
> >
> > Yaron:
> >
> > Are you sure that's necessary? Whenever I write a semantic template,
> I
> > use {{#if: statements to make sure that no annotation takes place
> > unless
> > the relevant parameter exists. And a null number strikes me as a
> > show-stopper if we ever wanted to do arithmetic with those annotated
> > numbers. Which is something I've always wanted to do.
> >
> > Temlakos
> >
> > Yaron Koren wrote:
> > > Hi,
> > >
> > > Currently semantic properties all display a warning message when
> > > they're given a null value (e.g., [[Has country::]]). That makes
> > sense
> > > if all properties are hand-coded, but if a site uses semantic
> > > templates, it could easily end up with many blank values. [1]
> > Each of
> > > those gets a little warning flag, which could make many people
> think
> > > that something horrible has happened. Of course, an
> > administrator can
> > > choose to not have warnings displayed, but many don't know how to
> do
> > > that, and sometimes it's useful to see the real error messages. Can
> > > warnings for null values be removed? A null value for a number just
> > > doesn't strike me as invalid data in the same way that, say, a
> value
> > > of "abcd" would be; I believe most relational databases, for
> > example,
> > > allow null values for any type by default.
> > >
> > > -Yaron
> > >
> > > [1] http://hackerspaces.org/wiki/HacDC
> > >
> >
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