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Optimistic Locking
When two people attempt to update the same record near the same time, one of the updates will likely be overwritten. You can solve this problem with optimistic locking.
(7 minutes)
Restricting Access
In this second part of the series on administration, you will learn how to lock down the site to keep the public from accessing the administration features.
(4 minutes)
Multibutton Form
If you have a form with multiple buttons, you can detect which button was clicked by checking the passed parameters. Learn how in this episode.
(4 minutes)