WebNSMutableURLRequest is a subclass of NSURLRequest that allows you to change the request’s properties. NSMutableURLRequest only represents information about the request. Use other classes, such as URLSession, to send the request to a server. WebCreating and Initializing a Mutable Array + arrayWithCapacity: Creates and returns an NSMutableArray object with enough allocated memory to initially hold a given number of …
NSMutableArray Apple Developer Documentation
WebJul 14, 2012 · Poor NSCache, always being overshadowed by NSMutable Dictionary. It’s as if no one knew how it provides all of that garbage collection behavior that developers take great pains to re-implement themselves. That’s right: NSCache is basically just an NSMutable Dictionary that automatically evicts objects in order to free up space in … WebThere is modern Objective C syntax that makes it easier for us to create and retrieve objects. Xcode actually changes to required format in build time. The syntax for initialization and accessing is as shown below. 1 2 3 4 // initialization NSArray *array = @ [@"Eezy", @"Tutorials"]; // access value at index 0 NSString *value = array [0]; sly sourcing kenitra
Nonmutable Definition & Meaning YourDictionary
WebThe NSMutableDictionary class declares the programmatic interface to objects that manage mutable associations of keys and values. It adds modification operations to the basic operations it inherits from NSDictionary. NSMutableDictionary is “toll-free bridged” with its Core Foundation counterpart, CFMutableDictionary. WebAug 13, 2014 · or this shorter form: 1 var myOtherEmptyArray = [Int] () If you need an array of a certain size with the same data in each element, there is a special initializer for it: 1 var myVanillaArray = Array (count: 5, repeatedValue: "Vanilla") This creates an array ["Vanilla","Vanilla","Vanilla","Vanilla","Vanilla"] Accessing Elements in Swift WebJan 7, 2013 · You can think of NSNull as effectively boxing the NULL or nil value so that it can be used in collections: NSMutableDictionary *mutableDictionary = [NSMutableDictionary dictionary]; mutableDictionary[@"someKey"] = [NSNull null]; NSLog(@"%@", [mutableDictionary allKeys]); // @ [@"someKey"] solarus media shower