How to get names of classes inside a jar file?

https://youtu.be/O3ltwjDJaMk

https://youtu.be/ZaW-xPmjutA

      https://youtu.be/ZaW-xPmjutA?t=13m34s   transform 

      https://youtu.be/ZaW-xPmjutA?t=3m53s   urlsession 작업 ( file 다운로드 )

      https://youtu.be/ZaW-xPmjutA?t=9m   url session 작업하면서 작업진행 확인

https://youtu.be/lYVazkkjOb8

       https://youtu.be/lYVazkkjOb8?t=3m42s     pulsing animation 

       https://youtu.be/lYVazkkjOb8?t=10m55s     status bar 바꾸는 작업  ( preferredStatusBarStyle )

Swift 2 Parse JSON Easily with One Line

my review point is 9/10

https://youtu.be/vJluBLXhkHE?t=1m33s   화일읽어 오기 ( NSData )

https://youtu.be/vJluBLXhkHE?t=2m37s   json serialization ( NSJSONSerialization.JSONObjectWithData )

https://youtu.be/vJluBLXhkHE?t=4m23s   make obj with data from dictionary ( setValuesForKeysWithDictionary ) NSObject가  기본을 가지는 메소드ref) https://developer.apple.com/documentation/objectivec/nsobject/1417515-setvaluesforkeyswithdictionary

https://youtu.be/vJluBLXhkHE?t=9m12s   setValuesForKeysWithDictionary를 사용하는 경우 dictionary에 있는 key value가 맷칭되는 model obj에 프로퍼티로 존재하지 않는 경우 app이 crash되는 이를 방지하는 workaround

Swift: Firebase 3 – How to Send Videos (Ep 20)

my review point is 9/10

https://youtu.be/eRkpdRDYGeM?t=3m20s   image picker controller에서 video도 선택 가능하게 하는 과정 ( mediaTypes )

https://youtu.be/eRkpdRDYGeM?t=6m9s   getting media file url ( UIImagePickerControllerMediaURL ) 

https://youtu.be/eRkpdRDYGeM?t=7m18s   firebase에 file upload , media file upload 

https://youtu.be/eRkpdRDYGeM?t=9m   firebase에서 file 다운로드 경로 구하기 ( donwloadURL()?.absoluteString )

https://youtu.be/eRkpdRDYGeM?t=13m40s   checking progress , observing task ( observeStatus , progress?.completedUnitCount)

https://youtu.be/eRkpdRDYGeM?t=20m15s   getting image from video file ( AVAssetImageGenerator ,  AVAsset , copyCGImageAtTime)

Core Data file’s Location iOS 10

How to check if a file exists in Documents folder?

In iOS apps , what’s the difference between the main bundle and the documents directory?