[__NSCFString objectForKey:]: unrecognized selector sent to instance
126839
iPhone app crash [__NSCFString objectForKey:] unrecognized selector sent to instance
90129
How to check if an NSDictionary or NSMutableDictionary contains a key?
111437
Weak NSString variable is not nil after setting the only strong reference to nil
22324
What's the difference between declaring a variable "id" and "NSObject *"?
105900
Assertion failure in dequeueReusableCellWithIdentifier:forIndexPath:
126515
Converting NSData to SecKeyRef
53930
Compiler error "expected method not found" when using subscript on NSArray
122488
How can I make a subclass of NSInputStream?
148908
Description of NSDictionary - why are some key names with quotes?
2892
What does "Fatal error: Unexpectedly found nil while unwrapping an Optional value" mean?
34420
What is the best way to solve an Objective-C namespace collision?
116604
Using #pragma to suppress “Instance method not found” warnings in Xcode
86356
A private list variable is inadvertently shared between instance objects
24584
"Thread 1: stopped at breakpoint" error when initializing an NSURL object
58309
Error: unrecognized selector sent to instance
92195
Why does isEqualToString not work for NSString?
152312
IOS Weird compiler error: "expected ']' before ;' using set-ter for NSString constant in singleton