ipads

I got an iPad2 this week. What advice can you give me on using it?

http://www.engadget.com/2010/10/14/ipad-going-on-sale-in-verizon-wireless-stores-october-28-foresh/#disqus_thread October 28th it comes to Verizon without 3g but bundled with their MiFi hotspot (or the regular wifi only models). $20 a month for 1 gb of data no contract. Sounds like a pretty...

The goal is to get a random number between -20 and 20. ball1Velocity is a CGPoint. ball1Velocity.x = (arc4random() % 21) - 10; Produces a positive number up to 20 or 4294967296. ball1Velocity.x = (arc4random() % 21); ball1Velocity.x -= 10; This seems to work properly. Am I doing something...