Most efficient way to use thumbnails of multiple sizes

When a user submits an image on my website, the upload script
currently creates thumbnails in three different sizes (120px, 90px,
and 20px). Different thumbnail sizes are used in different areas of
the site.
Is there a more storage-efficient way to display high-quality
thumbnails in different sizes, without requiring a separate
thumbnail file for each size used?
I cannot rely on browsers to resize images as the quality is
often very undesirable.

AngryCloud wrote:
> I may not have been clear in my last post...
>
> When an image is viewed normally on a page, it is saved
to the client's
> computer so that it will load instantly the next time
the image is called for.
>
> I do not want visitors to have to wait for the same
images they have already
> seen to re-download and resample. A file of each
resampled image should be
> saved to the client's computer to avoid this.
>
>
Is it possible to save resampled images on a page to the
client's
> computer?
It sounds like your page needs to check whether the cached
version
exists before creating the a new image, otherwise its always
going to
create a new version of the image and send it to the
browser... but I
don't know how this is possible.
Dooza
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This post by Terence Devlin will give you some info:
http://discussions.apple.com/message.jspa?messageID=7764845#7764845
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in each catalog, put a distinctive keyword onto all the images so that you can later discriminate these images as to which particular catalog they were formerly in (just in case this is useful information later)
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The most efficient way to search a large String

Hi All,
2 Quick Questions
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I have about 50 String keywords -- I would like to use to search a big String object (between 300-3000 characters)
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{thread:id=410714} (see page 2)
{thread:id=1090681}
{thread:id=1070213}
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Edited by: A_Non on Jul 8, 2010 4:31 PM
A great example, see the answers by mdrake in {thread:id=1096784}

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Greetings,
I need to cleanse some data in a string by replacing unsafe characters with encoded equivalents. (FYI, this is for the purpose of transforming "unsafe" characters into encoded values as data inside an XML document).
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--Paul Galvin
Integrated Systems & Services Group

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txjump :)

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