Re: Re[2]: [PHP] checking the aspect ratio of an images
| From: | Robert Cummings | Date: | Fri, 08 Jun 2007 18:47:17 +0000 |
| Subject: | Re: Re[2]: [PHP] checking the aspect ratio of an images | ||
| References: | 1 2 3 4 5 6 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-256382@lists.php.net to get a copy of this message | ||
On Fri, 2007-06-08 at 19:35 +0100, Richard Davey wrote:
> Hi Robert,
>
> Friday, June 8, 2007, 7:21:39 PM, you wrote:
>
> > Precisely defined limits are not the same as precisely defined values. I
> > might precisely define the amount of entropy on a random value as being
> > some formula based on the current temperature of my CPU. The formula is
> > quite precise, but the value is only precisely known after I take the
> > temperature... and even then it probably doesn't serve me to know it
> > explicitly unless I'm verifying results. If I then take that random
> > value and use it to make other decisions then the end result isn't
> > exactly precise.
>
> The end result isn't "precise", but it will always exist between some
> very real and very price possible values, those controlled by the min
> and max temp of your CPU.
... and the resolution at which the temperature can be measured. But we
digress, this is merely a specific example, there are many more metrics
that can be sampled to give an extremely large range of values.
Cheers,
Rob.
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