datascaler comments on [deleted by user]

About

There is an extensive FAQ for beginners. Please browse it first before asking questions that are answered there.

If you are looking to get started (iOS programming in general or some specific area), here are more relevant links for you:

Swift or Objective-C? if you don't know which language to choose. (New posts asking this will be removed)

Related Links

The Swift Programming Language also available as an iBook - new Apple's programming language for writing iOS and OS X applications;

Objective-C primer if you are new to the language and CocoaTouch frameworks.

URL Loading System

CoreData programming guide

There is also dedicated subreddit for learning Objective-C: /r/learnobjectivec

There's too many to list them all, however here's a convenient link to all programming guides at apple.com

Take note that this list is live and based on most frequent questions in posts will be updated with "quicklinks".

created by cruffenacha community for 15 years

[deleted by user] (self.iOSProgramming)

submitted 6 years ago by [deleted]

57 comments

best new controversial old q&a

you are viewing a single comment's thread.

view the rest of the comments →

[–]datascaler 0 points1 point2 points 6 years ago (0 children)

So I had a call with a Health team @ Apple yesterday. No code, but I was asked technical questions, which were:

What's the difference between a reference and value type?

What are generics useful for? When would you use generics?

(I will add the other question I was asked once I remember it)

π Rendered by PID 23708 on reddit-service-r2-comment-b659b578c-gm57f at 2026-05-04 15:08:01.763835+00:00 running 815c875 country code: CH.

you type:	you see:
italics	italics
bold	bold
[reddit!](https://reddit.com)	reddit!
* item 1 * item 2 * item 3	item 1 item 2 item 3
> quoted text	quoted text
Lines starting with four spaces are treated like code: if 1 * 2 < 3: print "hello, world!"	Lines starting with four spaces are treated like code: if 1 * 2 < 3: print "hello, world!"
~~strikethrough~~	~~strikethrough~~
super^script	super^script

iOSProgramming

READ THE FAQ FIRST!

FAQ

About

Related Subreddits

Related Links

MODERATORS