It’s pretty easy to serialise form using jQuery – $(‘#formid’).serialize(); or by $(‘#formid’).serializeArray(); But neither of them it’s easy to modify. Really useful snippet – serialise form to object.
It’s even simpler than more tutorials are saying. After login to instance, just enable EPEL repository
EC2 Instances on Amazon out of the box, does not contain any SWAP space. So if you exhaust memory, machine probably stuck. It’s very good practice, to give them at least slow SWAP memory...
Image Maps is quite ancient technology (1993!) to create “clickable” areas on images. Sometimes there is just no other way to handle some some images. Recently I found quite useful tool to create them.