haba's developgraphy
https://iosdevcenters.blogspot.com/2016/07/hacking-uisearchbar-in-swift.html
Inflearn을 참고해서 kakaochat ui를 구현해보았다
https://stackoverflow.com/questions/45997996/ios-11-uisearchbar-in-uinavigationbar
ios 11에 들어오면서 scrollview 관련 프로퍼티에 변화가 있었다 Medium에 정리가 잘된 글이 있어 공유해둔다 https://medium.com/@hanru.yeh/ios-11-preliminary-experience-sharing-51be4de1b7d2
