iphone - 'Existing ivar 'delegate' for unsafe_unretained ...
經安全檢測,此網站為安全網站,請放心前往原始網址!
iphone - 'Existing ivar 'delegate' for unsafe_unretained ...
2011年11月15日 - I was excited when this initially worked for me, but then I further researched __unsafe_unretained and found this in iOS Programming: The Big ...