Monthly Archives: March 2010
Making annotations fit on a Map View.
After struggling with formulae that convert degrees longitude and latitude to meters, I found a much better way to get annotations to fit on a Map View, thanks to this site: http://codisllc.com/blog/zoom-mkmapview-to-fit-annotations/
Helpful Core Data debugging
Core Data is really great, but if your app crashes without warning it can be a major headache. Replacing the default error handling code with this more involved approach saved me hours of time debugging: http://www.designcodeexecute.com/2009/08/28/iphone-sdk-coredata-debugging-error-1560-1570
Can not use an object as parameter to a method (Obj-C errors, part 2)
This is an easy one to seasoned X-coders, but one that tripped me up a few times when I first got started. BAD CODE: -(void) makePhotoFromImage: (UIImage )image; ERROR: can not use an object as parameter to a method TRANSLATION … Continue reading
Objective C compiler errors: translations for newbs
I’m pretty new at Xcode and Objective C, so there may not be a one-to-one correspondence here between errors and the most probable cause, but this helps me so it may help you. This will be a work in progress; … Continue reading