Which of the following resources are essential for iOS developers ?, Ios resource library

Which of the following resources are essential for iOS developers ?, Ios resource library

Here, I would like to share with you several websites about iOS resources, which are also conducive to the development of myself and others and teams.

IOS code sample search, iOS special effect examples, a large number of iOS development demos

Http://www.code4app.com/

CocoaChina, Apple's Chinese website, the hottest iPhone Development Community

Http://www.cocoachina.com/

News class: 36 KR, about Internet entrepreneurship http://www.36kr.com/

IOS has developed two overseas websites (English only ):

Http://stackoverflow.com/

Http://github.com/

How old can developers of ios8 GM download? Why can't I find resources on the official website? I am a developer

Currently, only developers who have paid $99 can download
 
For iOS development/release, what is the problem with the company's personal developer account?

It is related to the application you entered for publishing. It is basically irrelevant to appid or credit card account information.