Learning Vim for Beginners

A list of online tutorials and resources to help you learn Vim, the favorite text editor of programmers.

Download your WhatsApp Contacts

Learn how to easily download the list of names, phone numbers and profile pictures of all your WhatsApp contacts to your desktop with a simple bookmarklet.

How to Record Screencast Videos on Android

This step-by-step guide explains how to record screencast videos on your Android phone or tablet. You do not even have to root the device for screencasting.

Run a Poll on Twitter with Google Forms

You can run a quick poll or conduct a quiz on Twitter using Google Forms. The poll is embedded in your tweet and people can answer without leaving Twitter.

How to Get a US Phone Number

This tutorial describes how you may easily get your own USA local phone number from anywhere in the world without spending a penny.