http://www.dentontyndale.com/technical Technical subjects Wed, 28 Nov 2007 14:49:59 +0000 http://backend.userland.com/rss092 en This is the thing for you if you're interested in finding out who are the cheaters on a multiple choice test. I will spare you the mathematics behind the method save to say that it's a simple application of matrices. A square matrix results from some matrix multiplications comparing students against ... http://www.dentontyndale.com/technical/7/a-spreadsheet-which-shows-how-similar-multiple-choice-responses-are-on-a-test/ In JavaScript, we set and remove cookies with the document.cookie object. What is a cookie? [Wikipedia] HTTP cookies, sometimes known as web cookies or just cookies, are parcels of text sent by a server to a web browser and then sent back unchanged by the browser each time it accesses that ... http://www.dentontyndale.com/technical/6/javascript-cookies/ This isn't a tutorial. For more information on what Ajax is, read: http://en.wikipedia.org/wiki/XMLHttpRequest For the cool Ajax loader graphics, visit: http://www.ajaxload.info/ Well, I feel confident enough now to expose my little ajax.js script to the world: Click here to see it in action Click here to download the complete example Remember that you'll nead to unzip the ... http://www.dentontyndale.com/technical/5/asynchronous-javascript-and-xml-ajax/ Now, in my HTML/JavaScript course that I teach, I suggested to my students how they could quickly and effectively determine if a colour is in the safe palette. Admittedly, the safe palette is not so important in this day and age where few devices connect to the internet with a ... http://www.dentontyndale.com/technical/4/web-safe-colours-and-the-safe-palette/