Clang adds a keyword instancetype that, as far as I can see, replaces id as a return type in -alloc and init. Is there a benefit to using instancetype instead of id?

i want to the difference between spot and on demand instances. I know there is a price difference between these two but other than this i want to know the differences. Please help me

Can someone please explain to me (in simple terms) why an instancetype is used in Objective-C? - (instancetype) init { self = [super init]; if (self) { // Custom initialization } return se...

Instance types: (t2.micro, t2.small, c4.large...) those listed here: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-types.html I want to access a list of these through boto3. somethin...

AWS EC2 uses instance type names like C1, M2, T1, T2, etc. C means CPU and M means memory, but what does the numbers 1, 2 and the letter T mean?

I am using an Amazon EC2 instance and I have attached an EBS volume /dev/xvdf of about 3TB to it. [centos@myec2ip ~]$ df -h Filesystem Size Used Avail Use% Mounted on /dev/xvda1 8.0G 3.5G 4.6...

I am trying to find out how many MASTER, CORE, TASK instances are optimal to my jobs. I couldn't find any tutorial that explains how do I figure it out. How do I know if I need more than 1 core i...

Pretend I have a category on NSObject that defines the following method: + (instancetype)allocTemplate { id instance = [self new]; return instance; } and I have the following class: @interfa...

Using instancetype as a return value of init and related methods is the recommended way to proceed, see the latest clang features. However, what is the best practice w.r.t. the return value of copy...

According to the clang documentation, a method that returns id is implicitly known to return instancetype when it is a class method beginning with new or alloc, or an instance method beginning with...

From what I understand, instancetype declares to the compiler that the return type of the method is the same as the class receiving the message. Traditionally I've always declared my singleton ini...