The log file can offer valuable information about what’s going on on your app.

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Observers are a great way of cleaning up and DRYing up your models. I use them quite a lot to deal with sending mails, logging messages and anything else that isn’t strictly the model’s responsibility.

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The flash hash is a great way to provide feedback to your users. Here is a quick tip for hiding the flash message after a period of time if you don’t want to leave it lingering around.

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Raw dates and times in Ruby are not too user-friendly!

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