In a previous post, I shared step-by-step instructions for setting up a Ubuntu LAMP (Linux, Apache, mySQL, PHP) server on your local area network (LAN). I also showed how you could customize the server installation to include all of the niceties of Ubuntu’s Desktop GUI. If this installation was successful, you should be able to

At home, I’ve installed a Netatalk Apple Filing Protocol (AFP) file server on a machine running Ubuntu so that I can easily share files between my Macs and the Ubuntu machine (see this post for details). Using an open source network service discovery protocol similar to Apple’s Bonjour called Avahi (see this post for a

The following Processing program uses a well-known L-System (see this Wikipedia page for more information) to “grow” a realistic looking plant with fractal structure. Below is a video of the frames generated by the program followed by the code that created it. import java.util.Stack; // I use java Stack objects // written by Jeff –

An Arduino project I am working on uses the TinyGPS library and an EM-406A GPS receiver to keep track of the date and time. This data is used by the rest of my program. When I was coding up this project, I ran in numerous bugs and believe the cause was derived from serial communication

There are several ways to call a javascript function from an HTML form to process user-supplied values and then return the results to the user including onclick, onchange, and onkeyup. Using a simple form that takes an input value and returns the square of this value to the user, I demonstrate these three methods below.