Hi I remember once I read about to get only updated fields from an update_attributes method. Means say I have a model user with name,age,sex etc And when the user updates the information I have to first check whether he actually updated anything(There is a chance that update button from view simply being clicked) and if only any updates happened I have to get that updated fields and send a mail stating that these fields are updated. How can I do this. Suppose in the above example if only name updated
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