By bloid
via hartsock.blogspot.com
Submitted: Jul 23 2008 / 16:52
Take the example of a SKU number. We need the number to be zero padded. For example the number 10 should print as "0010" and not "10" in any display of this object. These numbers might be generated from some source and handed to us to store as an additional identifier for some object. So the source is a number but the destination is a zero-padded number string.
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