iphone - allocating object again -

iphone - allocating object again -

मेरे पास निम्न कोड है:

  [chart removeFromSuperview]; [चार्ट जारी]; चार्ट = शून्य; बीएनपीईआरएटी * एचार्ट = [[बीएनपीईआरटीएएलओएल] इनटविथफ्रेम: सेल्फ। वीनफ्रेम]; Self.chart = aChart; [Achart रिलीज़];    और जैसा मैं चाहूं,  चार्ट  deallocating है, लेकिन चर में अभी भी कुछ है, अगली बार जब मैं  achart  को < Em> चार्ट  मुझे EXC_BAD_ACCESS मिल गया है इसलिए मैंने चार्ट को शून्य प्रदान करने का निर्णय लिया।  
 क्या यह एक अच्छा अभ्यास है?   
 
  इससे भी बेहतर, प्रतिस्थापित करें:  <पूर्व>  [चार्ट रिलीज़]; चार्ट = शून्य;   
 के साथ:  
  self.chart = nil;      
  
       इसलिए यह सही तरीके से भी काम करेगा:  
  [chart removeFromSuperview]; बीएनपीईआरएटी * एचार्ट = [[बीएनपीईआरटीएएलओएल] इनटविथफ्रेम: सेल्फ। वीनफ्रेम]; Self.chart = aChart;     self.chart = achart  आपके लिए रिलीज़ करेगा।   

 


  







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