Paul Usher

Paul Usher: coder, builder, breaker, fixer. He doesn’t just solve problems — he stack-overflows them out of existence. Whether it’s a rogue API, a Blazor tantrum, or a motorbike route that needs “extra spice,” Paul’s already two steps ahead (and probably halfway through printing a 3D backup plan). If it saves time, kills duplicate processes, or makes someone’s life easier, he’s *on it* before you’ve finished your coffee. www.paul-usher.com

The pList Dilemma – xCode Gotcha

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Why does the following code return no objects in the array. NSString *path = [[NSBundle mainBundle] pathForResource:@”stations” ofType:@”plist”]; NSMutableArray* anns = [[NSMutableArray alloc] initWithContentsOfFile:path]; Here is a screen shot from within Xcode at the pList editor. The problem stems from creating the pList directly in Xcode. Here we can see a text view of the … Read more

SIGABRT – unrecognized selector sent to instance

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I received an SOS from a mate asking to see why his $1,000,000 app making idea was crashing at the first hurdle. Terminating app due to uncaught exception ‘NSInvalidArgumentException’, reason: ‘-[MyAnnotation objectForKey:]: unrecognized selector sent to instance 0x73be080’ If there is one thing the last three years of xCode development has taught me, it’s that … Read more