In PHP,how to create a second selection box with values base

i have to create a project in which there are two selection boxes First one is Skill_ctegory and takes values from the database dynamiclly(Scripting Laguages,Other Languages,Database,Personal SKills).And...

Implementing an ajax tree in apex

So ajax trees. That sounds great right? To load the data on demand and not in one huge chunk? Honestly, I’ve noticed slowness/slowdown when there are even just a few hundred nodes around. And why?...

Dealing with expired authentication for a partially filled f

I have a large webform, and would like to prompt the user to login if their session expires, or have them login when they submit the form. It seems that having them login when they submit the form creates...