<p>Memory management will become a big thing in your rails apps. As a new developer , you may not concern yourself with such things. <br>
#each on an active record model will first pull in every record in that model or sub-set. </p>
<p>SomeModel.find_each do | model |</p>
<p> will load each record independently, and not bog down your precious system resources. Memory management comes later, but think about it now! </p>
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