nsmutabledictionary

i'm having a set of Dictionaries in a NSMutableArray. now i want to sort ascending & Descending order by time here is my Array value. ( { StartTime = "09:00 AM"; TravelsName = "ABC Travels"; }, { StartTime = "07:30 AM"; TravelsName = "XYZ Travels "; }, { StartTime = "06:45 PM"; TravelsName = "GSP Travels"; }, { StartTime = "05:00 PM"; TravelsName = "Madura Travels"; }, { StartTime = "12:45 AM"; TravelsName = "MJT Travels"; }, { StartTime = "12:45 PM"; TravelsName = "OPR Travels"; }, { StartTime = "01:00 AM"; TravelsName = "VMS Travels"; } ) Please help me i had sorted the set of NSDate inside

For some reason this sample code works: NSArray *immutable = @[ @"a", @"b", @"c" ]; NSMutableArray *mutable = (__bridge id)CFPropertyListCreateDeepCopy(kCFAllocatorDefault, (__bridge CFArrayRef)immutable, kCFPropertyListMutableContainers); and this code produces nil as a result of the conversion: NSArray *immutable = @[ @"a", [NSNull null], @"c" ]; NSMutableArray *mutable = (__bridge id)CFPropertyListCreateDeepCopy(kCFAllocatorDefault, (__bridge CFArrayRef)immutable, kCFPropertyListMutableContainers); I tried to find any mention of NSNull not being allowed when using this function. I have a

HI, I have a NSMutableDicitionary contains both lowercase and uppercase keys. So currently i don't know how to find the key in the dictionary irrespective key using objective c. Categories to the rescue. Ok, so it's an old post... @interface NSDictionary (caseINsensitive) -(id) objectForCaseInsensitiveKey:(id)aKey; @end @interface NSMutableDictionary (caseINsensitive) -(void) setObject:(id) obj forCaseInsensitiveKey:(id)aKey ; @end @implementation NSDictionary (caseINsensitive) -(id) objectForCaseInsensitiveKey:(id)aKey { for (NSString *key in self.allKeys) { if ([key compare:aKey options

I have an NSMutableDictionary each element of which is another dictionary. What is the best way I can copy its contents into another NSMutableDictionary ? I've tried using: firstDictionary = [NSMutableDictionary dictionaryWithDictionary:secondDictionary]; However not sure if this is the best way to do it. Schultz9999 Check the NSDictionary initWithDictionary:copyItems: method. It it enables deep copying of elements thru calling copyWithZone: method of item's class. You will have to take care of copying the fields yourself within the method. You can also jump between mutable and non-mutable

I'm maintaining a NSMutableDictionary which holds key and value pair.Now i need to perform some operation for each value in it.How to retrive value from dictionary. // this is NSMutableDIctionary NSMutableDictionary *dictobj = [[NSMutableDictionary alloc]init]; // in methodA -(void)methodA { //get the value for each key and peform an operation on it. } How to proceed? plz help for (id key in dictobj) { id value = [dictobj objectForKey:key]; [value doSomething]; } I'm not entirely clear what your question is asking, but you might be looking for: for (id currentValue in [dictobj allValues]) { /

How to view the content of NSMutableDictionary ? Just print contents in console: NSLog(@"%@", [yourDict description]); To iterate through dictionary elements: for (id key in [yourDict allKeys]){ id obj = [yourDict objectForKey: key]; // Do something with them } NSLog(@"yourMutableDictionary - %@",yourMutableDictionary); 来源： https://stackoverflow.com/questions/3424439/view-content-of-nsmutabledictionary