2014/10/15 下午 10:03:30

iphone Programming Glossary: adictionary

http://stackoverflow.com/questions/3779739/nsdictionary-sort-by-keys-as-floats

if v1 v2 return NSOrderedAscending else if v1 v2 return NSOrderedDescending else return NSOrderedSame NSArray allKeys aDictionary allKeys NSArray sortedKeys allKeys sortedArrayUsingFunction floatSort context NULL for id key in sortedKeys id val aDictionary..

Iterating through NSDictionary for null value

http://stackoverflow.com/questions/8477789/iterating-through-nsdictionary-for-null-value

the answer though non of the answers that show recursion are correct. void filterMutableDictionary NSMutableDictionary aDictionary check if aDictionary is missing any keys here if aDictionary objectForKey @ DesiredKey ... fill in key value here ... .. of the answers that show recursion are correct. void filterMutableDictionary NSMutableDictionary aDictionary check if aDictionary is missing any keys here if aDictionary objectForKey @ DesiredKey ... fill in key value here ... enumerate key values.. correct. void filterMutableDictionary NSMutableDictionary aDictionary check if aDictionary is missing any keys here if aDictionary objectForKey @ DesiredKey ... fill in key value here ... enumerate key values filtering appropriately recursing as necessary..