tags:

views:

101

answers:

1
Q: 

objective c operator meaning

what is the meaning of << and & in objective? for example ((touchedPads & (1 << 0)) != 0)

+2  A: 

Those are left bit shift and bitwise & respectively, and they are not objective-c specific. They are both C operators

hhafez  2009-09-02 06:09:29

related questions

How can I use Core Animation to interpolate property values over time on my own classes?
Opening a non-standard URL in a Cocoa app
Up-to-date libFoundation alternative
What's a good way to write a Cocoa front-end to an Erlang application?
What is the best book for learning objective-c?
Performance difference between dot notation versus method call in Objective-C
Cocoa tips for PHP developers?
What is the best way to unit test Objective-C code?
Best way to export a QTMovie with a fade-in and fade-out in the audio
NSEnumerator performance vs for loop in Cocoa
Objective-C: Passing around sets of data
How can I launch the Google Maps iPhone application from within my own native application?
What does the @ symbol represent in objective-c?
What's the difference between a string constant and a string literal?
What's a 'null defined macro'?
Any ReSharper equivalent for Xcode?
Objective-C/Cocoa: How do I accept a bad server certificate?
Drawing a view hierachy into a specific context in Cocoa
In Cocoa do you prefer NSInteger or just regular int, and why?
Cocoa - best way to capture key events in NSTextView?
How do you name your instance/param values?
Accessing iSight programatically?
Cocoa and Objective-C resources?
Understanding reference counting with Cocoa / Objective C
How-to articles for iPhone development, Objective-C