Josh Freeman questions

Josh Freeman answers

• Can't send data to my Arduino Uno using Cocoa (IOKit)
• Objective-C async http request
• NSTimer with a menu bar app
• Understanding the line between Objective-C and Foundation, specifically NSString
• NSImage to NSData, then to UIImage
• Dropping Files onto Dock Icon in Cocoa
• Objective-C categories: Can I add a property for a method not in my category?
• Replace occurrences of NSString - iPhone
• Problem with fullscreen OpenGL on the Mac