plug-and-play

How to detect device on network?

Some printers include a CD which is able to detect a device without an IP address assigned or with an invalid IP in the LAN. We are developing an appliance whishing to be able for the user act in the same way: they connect the appliance on network and from the client side a tiny software detects configuration, launch wizard, ... How ca...

How do I have plugin architecture in Ruby on Rails?

I have to built a social networking site on Ruby on Rails. The features in the site may change from time to time; so we will need to add/remove features with ease. Moreover, we may be building another social networking site. Due to these reasons, we are thinking to build a basic framework for social networking sites in RoR with the featu...