Rails - Jun 2006 - BestPractise for monitoring change of model attribute?

Hello,

searched the docs, but didn?t found an answer to this question.

What is your approach for detecting the change of a model attribute?
If the attribute changes I want to fire some action.

I could do that with callbacks like after_save, but this would fire in
90% without the model attribute beeing changed.

Any hints are welcome!

Feurio



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