Limiting uploaded file type

LinkedList help

Ok so I just learned quickly about lists, so I have a not too hard project I think, but am having a few issues:Here is the project. Create a lovely polynomial calculator, that takes the equation from

Working with popups and such in a class

I've recently started building my applications completely enclosed in classes. I like the fact that I can base everything off one root and work with that, but I'm having a problem with popups

session_destroy();

new to phpI have a simple login and am trying to write a logout.I set a $_SESSION var to 1 if they are logged in:if(isset($_POST['logname'])){ $UserArr = chk_lgn($_POST['logname'],$_POST['passwd']);

PHP Surveys

I really would like some advice.If you have a client come to you asking for a survey to be done with 117 questions each has 4 radio button check boxes, and a overall percentage needs to be tallyed up.

How do I know when getBounds Method is ready to be called.

I have an application that changes out stylesheets client side. Once I change stylesheet the browser changes immediately but there is a lag until the Sys.UI.DomElement.getBounds method will return

comparing tables across databases sql refinement ideas required

Hi all

How To Make More Than One Redirection with PHP on the same page?

Hey im trying to do a direction page where it open differently link direction pages every time somebody enter it.. like this for example any good hint on how to do this?<?phpheader(

Libraries in C++

Hi all,

database design

Hi,I got a page which allow candidate to type in their previous working experience,I let user to choose the start date and end date and then system will automatically calculate the total experience in

I got my hosting suspended XD

So I saw this challenge a day or so agohttp://www.programming-challenges.com/pg.php?page=downloadproblem&probid=110101&format=htmlAnd I thought to myself "Well, what about numbers