As explained by Arduino to Go, each color band on the resistor corresponds to a number but this can differ depending on the band's placement. It's not complicated, but the sheer number of colors ...

The electronic design of the Basic Stamp is simple, yes, but there’s a method to the madness. The code you write for the Basic Stamp is stored in 256 bytes of the EEPROM.

Eclipse based Arduino development uses two additions to the basic Eclipse IDE. One is the C/C++ Development Tooling (CDT).

Click Sketch > Verify / Compile to make sure the code is properly in there. Save the file and then attach the Arduino to your computer with the USB cable. Click File > Upload.

Of course, knowing the basics of Arduino is only half the battle; if you want to get to the fun stuff you'll have to learn how to code it as well.