Objective-C Language NSMutableArray Deleting Elements
Example
Remove at specific index:
[myColors removeObjectAtIndex: 3];
Remove the first instance of a specific object:
[myColors removeObject: @"Red"];
Remove all instances of a specific object:
[myColors removeObjectIdenticalTo: @"Red"];
Remove all objects:
[myColors removeAllObjects];
Remove last object:
[myColors removeLastObject];
