https://code-reference.com/ 2026-04-22T10:57:50+02:00 https://code-reference.com/ https://code-reference.com/ttps://code-reference.com/lib/tpl/dokuwiki/images/favicon.ico text/html 2024-02-16T01:06:21+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h?rev=1708041981&do=diff NSString The NSString class declares the programmatic interface for an object that manages immutable strings. NSString is implemented to represent an array of Unicode characters, in other words, a text string. caseinsensitivecompare isequaltostring lowercasestring stringbyappendingformat stringbyappendingstring stringwithformat uppercasestring text/html 2014-08-19T02:25:26+02:00 https://code-reference.com/objective-c/examples/uiwebview_using_local_resources?rev=1408407926&do=diff Sometimes you need or want to load a UIWebView displaying content provided with an app. If there is more then one site it might make sense to have an external .css or .js file for all your html content. Whatever, I was facing this problem currently and decided to provide my solution to you. text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/stringwithformat?rev=1708042344&do=diff stringWithFormat + (id)stringWithFormat:(NSString *)format, ... Returns a string created by using a given format string as a template into which the remaining argument values are substituted ObjC Sourcecode Example int a= 42; // string composed of single varable NSString *myString=[NSString stringWithFormat:@"the answer to life the universe and everything is %i", a]; NSLog(@"MyString: %@", myString); … text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/stringbyappendingstring?rev=1708042344&do=diff stringByAppendingString -(NSString *)stringByAppendingString:(NSString *)aString; Returns a new string made by appending a given string to the receiver. ObjC Sourcecode Example NSString *cycle=@"Pass"; for(int a=0; a<5; a++) { NSString *intValue=[NSString stringWithFormat:@"%i", a]; cycle=[cycle stringByAppendingString:intValue]; NSLog(@"%@", cycle); } text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/isequaltostring?rev=1708042344&do=diff isEqualToString - (BOOL)isEqualToString:(NSString *)aString; Returns a Boolean value that indicates whether a given string is equal to the receiver using an literal Unicode-based comparison. ObjC Sourcecode Example NSString *myString1=@"Hello World"; NSString *myString2=@"Hello World"; if([myString1 isEqualToString:myString2]){ NSLog(@"similar"); } else{ NSLog(@"dissimilar"); } … text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/stringbyappendingformat?rev=1708042344&do=diff - (NSString *)stringByAppendingFormat:(NSString *)format, … Returns a string made by appending to the receiver a string constructed from a given format string and the following arguments. ObjC Sourcecode Example for(int a=0; a<5; a++) { NSString *cycle=@"Pass"; cycle=[cycle stringByAppendingFormat:@"%i", a]; NSLog(@"%@", cycle); } text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/caseinsensitivecompare?rev=1708042344&do=diff -(NSComparisonResult)caseInsensitiveCompare:(NSString *)string; Returns the result of invoking compare:options: with NSCaseInsensitiveSearch as the only option. ObjC Sourcecode Example NSString *myString1=@"HELLO WORLD"; NSString *myString2=@"hello world"; if([myString1 caseInsensitiveCompare:myString2]==NSOrderedSame){ NSLog(@"similar"); } else{ NSLog(@"dissimilar"); } /* … text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/uppercasestring?rev=1708042344&do=diff uppercaseString -(NSString *)uppercaseString; Returns an uppercased representation of the receiver. ObjC Sourcecode Example NSString *myString=@"hello world"; myString=[myString uppercaseString]; NSLog(@"%@",myString); text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/lowercasestring?rev=1708042344&do=diff lowercaseString -(NSString *)lowercaseString; Returns lowercased representation of the receiver. ObjC Sourcecode Example NSString *myString=@"HELLO WORLD"; myString=[myString lowercaseString]; NSLog(@"%@",myString); text/html 2014-05-30T20:08:10+02:00 https://code-reference.com/objective-c/foundation.framework?rev=1401473290&do=diff foundation.framework nsstring.h nsnumber.h nsvalue.h nsarray.h nsmutablearray.h nsfilemanager.h nsdictionary.h text/html 2024-02-16T01:12:27+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h/descriptionwithlocale?rev=1708042347&do=diff descriptionWithLocale - (NSString *)descriptionWithLocale:(id)aLocale Returns a string that represents the contents of the receiver for a given locale. ObjC Sourcecode Example //** Sample Datatypes ** int myInt= 1000000; double myDouble = 3.14; float myFloat = 1.123456f; char myChar = 'w'; //** Initializing NSNumber Objects ** NSNumber *myIntNumber = [[NSNumber alloc]initWithInt:myInt]; NSNumber *myDoubleNumber = [[NSNumber alloc]initWithDouble… text/html 2014-05-30T21:51:53+02:00 https://code-reference.com/objective-c/foundation.framework/nsdictionary.h/initwithobjectsandkeys?rev=1401479513&do=diff initWithObjectsAndKeys - (instancetype)initWithObjectsAndKeys:(id)firstObject, (NSString*)firstKey, ... Initializes a newly allocated dictionary with entries constructed from the specified set of values and keys. Return Value - NSDictionary text/html 2024-02-16T01:12:21+02:00 https://code-reference.com/objective-c/foundation.framework/nsarray.h/initwithobjects?rev=1708042341&do=diff initWithObjects - (id)initWithObjects:(id)firstObj, ... NS_REQUIRES_NIL_TERMINATION; Parameters firstObj, secondObj... Comma-separated objects ending with nil. Return Value An array initialized to include the parameters objects. After an immutable array has been initialized in this way, it can’t be modified. text/html 2024-02-16T01:06:17+02:00 https://code-reference.com/objective-c/control_structures/if?rev=1708041977&do=diff if ( condition == true ){ command; } if example 1 objective c NSString *string = @"i wouldn't want to go anywhere without my wonderful towel"; if ([string isEqualToString:@"i wouldn't want to go anywhere without my wonderful towel"]) { NSInteger a=42; NSLog(@"correct %i", a); } else if ([string isEqualToString:@"42"]) { NSLog(@"Sorry but the answer is not correct"); }