Alex Mathew questions

• How to write content on a text file using java?
• Alternative for OpenID?
• Getting data from the server and loading new screen using Android
• Rotate Image Clockwise using LibGDX
• How we can find domain name using MySQL and regular expression
• How to do following mask input problem?
• How much data can be stored in MySQL?
• How to do a HTTP Post in Android?
• How to develop alert system like facebook using PHP and Jquery?
• Parallel programming in Java

Alex Mathew answers