It's not trivial to set up PayPal IPN (Instant Payment Notification). It requires a free Business (Premium) PayPal account, a web hosting account with PHP support, configured to allow creating HTTP socket connections using "fsockopen" function, a MySQL database set up on your web server, a mailing mechanism (for sending the product to the buyer) and a free Gmail account. It may seem like a lot, but everything except the web hosting server (which you probably already have) is free, and once it is fully...
Mac OSX is able to display message notifications — still referred to as Growl messages, despite the fact that the big cat moniker is no longer applied to versions. Many applications send Growl messages to the OS to let the user know that an action has just occurred. Wouldn’t it be nice to use messages like this on our websites? I think so. In this tutorial we’ll construct a notification like this with HTML, CSS3 and a little jQuery. Growl message functionality ... When more than one message is displayed,...