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ActiveModel Callbacks in Sandra
描述
For my Jot class in JotRod, I want the jot to set a hash of some kind as the key when it gets saved. This is the perfect scenario for using ActiveModels' callbacks functionality.
It only took a few minutes to get set up, but works great! Now I have a key set up whenever I try saving a Jot.
It only took a few minutes to get set up, but works great! Now I have a key set up whenever I try saving a Jot.
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