swift url

 

• Alamofire 5 Tutorial for iOS: Getting Started

https://www.raywenderlich.com/6587213-alamofire-5-tutorial-for-ios-getting-started

 

• the swift programming language

https://docs.swift.org/swift-book/LanguageGuide/CollectionTypes.html

• Youtube video Downloader

https://en.savefrom.net/1-youtube-video-downloader-20/

 

https://www.toutiao.com/a6875492307282428428/?channel=&source=search_tab

https://www.zyaupair.com/usAppleID/12.html

 

• swift-programming

https://www.programiz.com/swift-programming/hello-world

 

 

• runtime objective-c
• https://programmer.group/runtime-summary.html

 

细说OC中的KVO

https://blog.csdn.net/wangjunling888/article/details/82422463