Width and height values are CGFloat values. To display them, you need to use the %f formatter from NSLog. But displaying these variables can be quite verbose, see below: NSLog(“frame: %fx%f”, myview.frame.size.width, myview.frame.size.height); Output will show : frame: 320.000000×480.000000 There are two other way to display frame size with NSStringFromCGRect() or [NSValue valueWithCGRect:] : NSLog(“frame: … →

Apple published a great doc for newcomers. It’s also a good source of links and articles for all the basics in iOS, from enrolling as developer to publish your first app. Find all related docs links below: Tutorial: Your first iOS app Manage your workflow in XCode Write Objective-C code Acquire basic programming skills Survey … →

When I tried to upgrade my phone 3GS 3.x to a 4.x firmware found on osxdaily.com, I got the famous “this device isn’t eligible for the requested build”. My jailbroken device was on a 3.1.3 firmware with Cydia installed. After trying different 4.x firmwares, I googled this error message and found an interesting thread here. … →

The new Fall 2011 courses from Stanford on iTunes U are available! Courses by Paul Hegardy released with a Creative Commons BY-NC-ND license in full HD. 7 courses are available: MVC and Introduction to Objective-C My first iOS App Objective-C Views Protocols and Gestures Multiple MVCs and Segues iPad Apps

A helpful article explaining how to use gdb to debug EXC_BAD_ACCESS: EXC_BAD_ACCESS and no stack trace == more quality time lost in Xcode Also, if you don’t know about NSZombieEnabled you should read the following articles: What is NSZombieEnabled? How do I set NSZombieEnabled in Xcode 4?