I see a few similar questions, but no simple answers. I\'m just playing around with NSMutableArray\'s to get a feel for them before I actually use them in my real project. Fo开发者_如何学JAVAr some re
Can anyone tell me why this is NULL ? So Array1 is NSMutable, and has an NSString object \"UserName\" at index 0;
I always use NSLog to print out contents of objects when I am debugging my iOS applications. But 开发者_Python百科any time I come across a \"nil\" object, the program crashes. In Java, if an object is
I am just trying to print out UInt16 pointer to my log, So i can see its contence... however thus far am not having any sucsess, dose anyone know how to do this, I am thinking its the format specifier
I am using NSLog开发者_运维百科 to record logs in an iPhone application. In Xcode when I execute my iPhone application with \"Run -> Console,\" I get timestamps in the following format:\"2011-06-06
I am confused for a long time. In my Project, the nslog is invalid,like: NSArray *arr = [NSArray arrayWithObjects:@\"a\",@\"b\",nil];
Why do we need to put the \"@\" befor开发者_如何学JAVAe the quotation mark when using NSLog()?@\"...\" is a NSString.
This question already has answers here: 开发者_如何学JAVA Closed 11 years ago. Possible Duplicate:
I\'ve been trying to log device parameters using [[UIDevice currentDevice] ...] and NSLog. I always get the same warning despite trying different ways to go about it.
This is my main: int x=0; NSString *new=[[NSString alloc]initWithString:@\"9+4\"]; x=[new intValue]; NSLog(@\"hi %i\",x);