This folder is for saving all the Objective-C related code

Day after day to practise this skills: Not only you know, but also you can write within limited time:

http://www.tutorialspoint.com/objective_c/

1. UITableView

2. Collection View
3. Animation
4. Autolayout --two kinds of ways.
5. Async and sync
6. ReadConfiguration from plist.
7. Saving the data into the local phone. (mutiple ways)
8. Caching system
9. Regular Expression
10. REST back-end
11. AFNetworking
12. NSThread, NSOperation, GCD
13. Reading and saving data from NSUserDefault
14. UITabbarController
15. UINavigationController
16. Category
17. Protocol
18. Block
19. NSFileManager
20. Delegation
21. NSNotificationCenter
22. Basic Types
23. Understand UIKit and Foundation
    #import <Foundation/Foundation.h>
    #import <UIKit/UIKit.h>
24. Gesture Detection

Others:

1. IOS 9 issues --> black areas and SSL connection issue
2. Command Line to checkout specific revision / branch/tag for release