NSString比较报出异常SIGABT

错误,以为 s 还是我们最初创建的那个 NSString 对象...1.6 bt: 显示当前进程的函数调用栈的情况;"up num...为了捕获一个使用@try块掷出的异常,你可以在@try后面...

Now, when you specify %s in an NSLog() format string – or in NSString’s stringWithFormat – then the parameter is interpreted as if it were a C-...

NSString *nameString = name; if([nameString length] == 0) { nameString = @"Inigo Montoya"; } NSString *greeting = [[NSString alloc] initWithFormat...

(gdb) bt #0 0x900075c8 in mach_msg_trap () #1 0x90007118 in mach_msg () #2 0x90191930 in __CFRunLoopRun () #3 0x901960bc in CFRunLoopRun...

NSString *clapPath = [[NSBundle mainBundle] pathForResource:@"Clapping Crowd Studio 01" ofType:@"caf"]; CFURLRef clapURL = (CFURLRef ) [NSURL fileURLW...

NSLog(@"view frame:%@===view bounds:%@",NSStringFromCGRect(self.view...iEB8CSjIxdd3slwERKABBBTkGgBJVURABOJLQEEuvr6T5SIgAg0goCDXAEiqIgIiEF8CCn...

[cell.textLabel setText:[NSString stringWithFormat:@"%@ %@", [device valueForKey:@"name"], [device valueForKey:@"version"]]]; [cell.detailTextLabe...

[UITextView alloc]initWithFrame:frame]; tmpTextView.text = [NSString stringWithFormat:@"%@%@",@"value: ", somevalue]; [self.view addSubview:tmpText...