NSScreencast Episode #105 Strong versus Copy
Strong versus Copy - NSScreencast
propertyのstrongとcopyの違い
- @property (nonatomic, copy) NSString *name; にすべき
- mutable
- NSMutableString
- NSMutableArray
- [name replaceCharactersInRange:NSMakeRange(0, 1) withString:@"A"];
間違えるとおかしなことになる