How can I prevent a form from being submitted more than once

I recently found a huge security problem with my PM system that allows users to send a message as much as they want with a for loop in the address bar. Someone put this into the address bar:javascript:for(x=0;x<10000;x++)...

Ajax database browser page Refresh changes the page instead

I am facing a problem with my AJAX and PHP database. I bet many other new Ajax programmers would also be facing this problem. Although I have shortened the code but it is still somehow lengty, so please...

Jquery AJAX beforeSend function fails IE 8

Im new to jquery and I am stuck. This page works perfectly in Firefox and Chrome but at the beforeSend function in IE8 I always get “All Fields are required” no matter what I do. Can someone...

Form available in two languages

I’m using php. I have a form which fields are in french. I’d like to know how can I make the form avalaible also in english and let the user choose the language. Is there a simple way to do...

Play framework longpolling in online game

I’m working on a browser game with the play framework, and I definitely need longpolling, but I don’t quite understand how to use it. WebSockets would be perfect for this, but it’s not...

Handling a fatal error in PHP from an AJAX call

Quite simply, I want my javascript to be able to react to a fatal 500 error caused by PHP, appropriately to the error.My goal is simply to collect the fatal error message that the script produced, so...

I want ajax developer to make a chat app by DandDSolutions

i want ajax developer to make a chat app like the one on badoo.com i want the same one on www.badoo.com i have 2 working chat app one with ajax and the second with HttpReq but some problems with speed...

Comet and Simultaneous Ajax request

I am trying to use a COMET solution using ASP.NET . Trouble is i want to implement sending and notification part in the same page. On IE7, whenever i try to send a request ,it just gets queued up. After...

How to submit this form using jQuery AJAX?

I have a PHP email form and the user enters their email and it sends them the link to the file they uploaded. How would I submit that form with AJAX? Right now, I have it where they click on a link to...

how to avoid the Refresh in MasterPage in ContentPage

I have a masterpage with a timer that shows server time and refreshes every second, on the content page I have a chat program with ajax, refreshes every to second to get the last messages entered.I have...