What is Node.js ?

Node is a server-side JavaScript interpreter that changes the notion of how a server should work. Its goal is to enable a programmer to build highly-scalable applications and write code that handles tens of thousands of simultaneous connections on one, and only one, physical machine.

Read More:
http://www.ibm.com/developerworks/opensource/library/os-nodejs/index.html
http://www.nodebeginner.org/

How to customize Google Docs Form for Custom Thank You Page and Form Validation ?

Below articles are so useful.

http://www.2webvideo.com/blog/customizing-google-docs-form-for-email-validation-with-free-jquery-script

http://whanethewhip.wikidot.com/article:custom-google-form

http://www.morningcopy.com.au/tutorials/how-to-style-google-forms-redux/

http://sneakysheep.com/contact.php

Information on Drupal setup for Multilingual site

This link gives information on Drupal setup for Multilingual site

Session Sharing across Domains

Programmer's reference to the Drupal Forms API

This document provides a programmer's reference to the Drupal Forms API.