How to create google app engine

Go to the link https://code.google.com/apis/console
 Login with your gamil account
 Click on create project
 Select following services
Google calendar API, google+ API
 Rename your project to PWAME
 Click on API Access from left panel
 Create an OAuth client ID
 Give your site information.

Use app ID and app secret in your APP.

Face book developer: How to get permanent Access Token

Hit to this URL and get Access token.

https://graph.facebook.com/oauth/access_token?client_id=YOUR_APP_ID&client_secret=YOUR_APP_SECRET&grant_type=client_credentials

How to remove index.php? from url in Codeigniter 2 or upper version

Go to system->config file
Line # 207(site url method )
change '?' to only ' '

and Null index file of config.