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2014/10/15 ¤U¤È 10:14:31
iphone Programming Glossary: str2http://stackoverflow.com/questions/1349740/arguments-in-selector invocationWithMethodSignature signature invocation setSelector selector NSString str1 @ someString NSString str2 @ someOtherString The invocation object must retain its arguments str1 retain str2 retain Set the arguments invocation setTarget.. NSString str1 @ someString NSString str2 @ someOtherString The invocation object must retain its arguments str1 retain str2 retain Set the arguments invocation setTarget targetInstance invocation setArgument str1 atIndex 2 invocation setArgument.. Set the arguments invocation setTarget targetInstance invocation setArgument str1 atIndex 2 invocation setArgument str2 atIndex 3 NSTimer scheduledTimerWithTimeInterval 0.1 invocation invocation repeats YES Where MyObject is the class that..
Sorting NSArray which many contain number http://stackoverflow.com/questions/4588542/sorting-nsarray-which-many-contain-number @ 4 @ Hi @ 5 @ 2 @ 10 @ 1 nil NSArray sortedArray unsortedArray sortedArrayUsingComparator ^ NSString str1 NSString str2 return str1 compare str2 options NSNumericSearch This will return an array that looks like so 1 2 4 5 10 Hello Hi In general.. @ 1 nil NSArray sortedArray unsortedArray sortedArrayUsingComparator ^ NSString str1 NSString str2 return str1 compare str2 options NSNumericSearch This will return an array that looks like so 1 2 4 5 10 Hello Hi In general it's pretty nice to..
http://stackoverflow.com/questions/5821121/http-authentication-in-iphone str1 NSString stringWithString @ username password NSData myDate str1 dataUsingEncoding NSUTF8StringEncoding NSString str2 Base64 encode myDate NSLog @ @ str1 @ str2 str1 request addValue NSString stringWithFormat @ Basic @ str2 forHTTPHeaderField.. password NSData myDate str1 dataUsingEncoding NSUTF8StringEncoding NSString str2 Base64 encode myDate NSLog @ @ str1 @ str2 str1 request addValue NSString stringWithFormat @ Basic @ str2 forHTTPHeaderField @ Authorization NSData returnData NSURLConnection.. NSString str2 Base64 encode myDate NSLog @ @ str1 @ str2 str1 request addValue NSString stringWithFormat @ Basic @ str2 forHTTPHeaderField @ Authorization NSData returnData NSURLConnection sendSynchronousRequest request returningResponse nil..
Some beginner Objective-C/iPhone questions http://stackoverflow.com/questions/710568/some-beginner-objective-c-iphone-questions this instance. Each call of str NSString alloc initWithString @ Hi there again will allocate a new instance. So after str2 NSString alloc initWithString @ Hi there str str2 while after str2 @ Hi There str str2 . See this answer as well. autorelease.. @ Hi there again will allocate a new instance. So after str2 NSString alloc initWithString @ Hi there str str2 while after str2 @ Hi There str str2 . See this answer as well. autorelease adds the receiver to the current NSAutoreleasPool.. there again will allocate a new instance. So after str2 NSString alloc initWithString @ Hi there str str2 while after str2 @ Hi There str str2 . See this answer as well. autorelease adds the receiver to the current NSAutoreleasPool . When the..
Objective-C 2.0: class_copyPropertyList(), how to list properties from categories http://stackoverflow.com/questions/848636/objective-c-2-0-class-copypropertylist-how-to-list-properties-from-categorie project #import Foundation Foundation.h #import objc runtime.h @interface TestClass NSObject NSString str1 NSString str2 @property nonatomic copy NSString str1 @end @interface TestClass TestCategory @property nonatomic copy NSString str2 @end.. str2 @property nonatomic copy NSString str1 @end @interface TestClass TestCategory @property nonatomic copy NSString str2 @end @implementation TestClass @synthesize str1 @end @implementation TestClass TestCategory have to actually implement these.. TestCategory have to actually implement these functions can't use @synthesize for category based properties NSString str2 return str2 void setStr2 NSString newStr str2 release str2 newStr copy @end int main int argc const char argv NSAutoreleasePool..
convert NSString to const char * http://stackoverflow.com/questions/8710248/convert-nsstring-to-const-char
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