MRo Blog

UILabel’s font property accepts UIFonts – but strange enough there’s no way to get a custom loaded CGFont (from a ttf or otf file) converted into such an UIFont. You’re stuck with the iPhone’s pre-installed fonts – at least when you have to support iOS 3.0 devices. After googling a bit and searching Stackoverflow I found [...]

have a look at the CoverStory Howto, download CoverStory, open (with XCode) the XCode Project you want to measure, run the script EnableGCov.scpt linked to from the howto, run your tests and see a linker error, – dead end for the time being. http://groups.google.com/group/coverstory-discuss/browse_thread/thread/fbcbf5ed61d8d02b#

Though CFArray comes with binary search capability, NSArray does not – at least not within the iPhone SDK. The indexOfObject:inSortedRange:options:usingComparator: can’t be found. Plus the CFArrayBSearchValues doesn’t tell you whether the key actually is part of the list or not. That’s what the Java JDK does, so let’s implement some category methods -(NSInteger)binarySearch:(id)key; -(NSInteger)binarySearch:(id)key usingSelector:(SEL)comparator; [...]

Though NSDateFormatter behaves slightly different than documented, the following might even be correct, as strange as it might look (mind the last two lines): -(void)testNSDateFormatterTrap { NSDateFormatter *lower = [[[NSDateFormatter alloc] init] autorelease]; lower.dateFormat = @"yyyy-MM-dd HH:mm:SS ZZZ";   NSDateFormatter *upper = [[[NSDateFormatter alloc] init] autorelease]; upper.dateFormat = @"YYYY-MM-dd HH:mm:SS ZZZ";   lower.timeZone = upper.timeZone [...]

Strange enough there’s no regular expression class in the iPhone SDK. Update: iOS 4 brings NSRegularExpression. My simple wrapper around the regex.h C API is not safe for unicode matching patterns but does the job e.g. for parsing URLs. If you need more, have a look at RegexKitLite. My simple wrapper has the interface: