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Computer Science 92

[swift] Alamofire๋ž€? Alamofire ์‚ฌ์šฉ๋ฒ• ๋ฝ€๊ฐœ๊ธฐ

Alamofire : ๋น„๋™๊ธฐ๋กœ ์ˆ˜ํ–‰ํ•˜๋Š” swift๊ธฐ๋ฐ˜์˜ HTTP ๋„คํŠธ์›Œํ‚น ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ (ํ†ต์‹  ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ) ๐Ÿ’ก ์™œ ํ•„์š”ํ•œ๊ฐ€ ? - ์„œ๋ฒ„์™€ ํ†ต์‹ ์„ ํ•˜๊ธฐ ์œ„ํ•ด ! ๋” ๊ตฌ์ฒด์ ์œผ๋ก , ์„œ๋ฒ„์—์„œ jsonํ˜•์‹์˜ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฐ›์•„์˜ค๋ ค๋ฉด HTTP ํ†ต์‹ ์„ ํ•ด์•ผํ•˜๋ฉฐ HTTP ํ†ต์‹  ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์˜ ์ตœ๊ฐ•์ž Alamofire๋ฅผ ์ด์šฉํ•ด๋ณด์ž ! Apple์˜ Foundation ํ”„๋ ˆ์ž„์›Œํฌ์—์„œ ์ œ๊ณตํ•˜๋Š” URL ๋กœ๋”ฉ ์‹œ์Šคํ…œ์„ ๊ธฐ๋ฐ˜์œผ๋กœ ๊ตฌ์ถ•๋˜์–ด์žˆ์Œ URLSession ๋ฐ URLSessionTask ๊ฐ™์€ ํด๋ž˜์Šค๋ฅผ ์‚ฌ์šฉํ•˜๊ธฐ ์‰ฝ๊ฒŒ ๊ตฌํ˜„๋˜์–ด์žˆ์Œ Alamofire๋Š” CocoaPods๋ฅผ ์‚ฌ์šฉํ•ด ์‰ฝ๊ฒŒ ์„ค์น˜ ๊ฐ€๋Šฅ ์‚ฌ์šฉ๋ฒ• Alamofire๋ฅผ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด์„  ์ œ์ผ ๋จผ์ € import Alamofire ํ•ด์คŒ โœฑ ์ฐธ๊ณ  ) Alamofire ver5 ์ดํ›„๋ถ€ํ„ฐ๋Š” AF ๊ฐ€ Se..

[swift] Metal vs OpenGL

Metal vs OpenGL ๐Ÿ“ข ํ˜„์žฌ Apple ์ž…์žฅ : OpenGL deprecate ์‹œํ‚ฌ ๊ฒƒ์ด๋ฏ€๋กœ Metal ์‚ฌ์šฉ ๊ถŒ์žฅ! OpenGL : Open Graphics Libaray ์‹ค๋ฆฌ์ฝ˜ ๊ทธ๋ž˜ํ”ฝ์Šค์‚ฌ์—์„œ ๋งŒ๋“  2์ฐจ์› ๋ฐ 3์ฐจ์› ๊ทธ๋ž˜ํ”ฝ์Šค ํ‘œ์ค€ API 3D ๊ฒŒ์ž„์—์„œ ํ•„์š”ํ•œ ์ž…์ฒด๊ฐ, ํ…์Šค์ณ, ๊ทธ๋ฆผ์ž์˜ ๋ณ€ํ™” ๋“ฑ์„ ํ‘œํ˜„ํ•˜๊ธฐ ์œ„ํ•ด ๋งŽ์€ ์—ฐ์‚ฐ๋“ค์ด ํ•„์š”ํ•˜๋ฉฐ, ์†Œํ”„ํŠธ์›จ์–ด๋งŒ์œผ๋กœ๋Š” ํ•œ๊ณ„๊ฐ€ ์žˆ์Œ. ํ•˜๋“œ์›จ์–ด ๊ฐ€์† ๊ธฐ๋Šฅ ์ด ํ•„์ˆ˜์  ! → ์ด๋Ÿฐ ๋ณต์žกํ•œ ์—ฐ์‚ฐ๊ณผ ํ•˜๋“œ์›จ์–ด ์ œ์–ด๋ฅผ ๋Œ€์‹  ํ•ด์ฃผ๋Š” ๊ฒƒ์ด 3D graphic library๋“ค์ด๊ณ  OpenGL์ด ๊ทธ ์ค‘ ํ•˜๋‚˜ OpenGL ES : OpenGL for Embedded System ๋ชจ๋ฐ”์ผ๊ณผ ๊ฐ™์€ ์ž„๋ฒ ๋””๋“œ ์‹œ์Šคํ…œ์„ ์œ„ํ•œ OpenGL OpenGL์˜ subset Metal ์• ํ”Œ ์ด ๊ฐœ๋ฐœํ•œ ํ”„๋ ˆ..

[swift] swiftui Text ์‚ฌ์ด์ฆˆ์— ๋งž์ถฐ์„œ frameํฌ๊ธฐ ์ •ํ•˜๊ธฐ (fixedSize)

์˜ˆ์‹œ : ์•„๋ž˜ ์ฝ”๋“œ๋ฅผ ์‹คํ–‰์‹œํ‚ค๋ฉด struct Title: View { var body: some View { VStack { Text("Statistics") Rectangle() .foregroundColor(.red) .frame(height: (5.0)) } } } ์œ„์™€ ๊ฐ™์ด ๋นจ๊ฐ„์ค„์ด ์ƒ๊ธด๋‹ค. ํ•˜์ง€๋งŒ ๋‚ด๊ฐ€ ์›ํ•˜๋Š” ๊ฑด..!! ์ด๋ ‡๊ฒŒ text ์‚ฌ์ด์ฆˆ์— ๋งž์ถฐ์„œ frameํฌ๊ธฐ๊ฐ€ ์ง€์ •๋˜๊ธธ ๋ฐ”๋ž€๋‹ค. ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์ฝ”๋“œ๋ฅผ ์ˆ˜์ •ํ•˜๋ฉด ๋œ๋‹ค !!!! struct Title: View { var body: some View { VStack { Text("Statistics") Rectangle() .foregroundColor(.red) .frame(height: (5.0)) }.fixedSize() } } ํ•ด๊ฒฐ๋ฐฉ๋ฒ• :..

[htop] htop install ์—๋Ÿฌ 'E: Unable to locate package htop' ํ•ด๊ฒฐ๋ฐฉ๋ฒ• !!

htop install ํ•˜๋ ค๊ณ  ํ• ๋•Œ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์—๋Ÿฌ๋ฉ”์„ธ์ง€๊ฐ€ ๋œจ๋Š” ๊ฒฝ์šฐ ..! user@test:~$ sudo apt-get install htop Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package htop ํ•ด๊ฒฐ๋ฐฉ๋ฒ•์€ ๋งค์šฐ ๊ฐ„๋‹จํ•˜๋‹ค sudo apt-get update ๋ฅผ ํ•ด์ฃผ๊ณ  ๋‹ค์‹œ installํ•˜๋ฉด ๋œ๋‹ค !!! user@test:~$ sudo apt-get update Get:1 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB] Get:2 http://archive.ubu..

[python] ํ…์ŠคํŠธ ํŒŒ์ผ ์ž๋ฅด๊ธฐ (text file crop)

#ํŒŒ์ด์ฌ ํ…์ŠคํŠธ ํŒŒ์ผ ๋‚ ๋ฆฌ๊ธฐ #python textfile crop #python textfile delete line ๋‹ค์Œ๊ณผ ๊ฐ™์€ ํ…์ŠคํŠธํŒŒ์ผ์ด ์žˆ๋‹ค๊ณ  ํ•˜์ž ์—ฌ๊ธฐ์„œ ํŠน์ • line ํ˜น์€ ์—ฌ๋Ÿฌ๊ฐœ์˜ line์„ ์ง€์šฐ๊ณ  ์‹ถ๋‹ค๋ฉด..?? ์ ˆ๋ฐ˜์„ ๋‚ ๋ ค๋ฒ„๋ฆฌ๊ณ  ์‹ถ๋‹ค๋ฉด?? line 1 of the text file line 2 of the text file line 3 of the text file line 4 of the text file line 5 of the text file # 1. ํ…์ŠคํŠธ ํŒŒ์ผ ์ฝ์–ด๋“ค์ด๊ธฐ # filename์— ํ…์ŠคํŠธํŒŒ์ผ ๊ฒฝ๋กœ๋ฅผ string์œผ๋กœ ๋„ฃ์–ด์ค€๋‹ค filename = './textfile.txt' text_file = opend(filename).readlines() # 2. ์ง€์šฐ๊ณ  ์‹ถ์€ li..

[Xcode] Compiling failed: extra tokens at the end of #sourceLocation directive ์—๋Ÿฌ ํ•ด๊ฒฐ โ€ผ๏ธ

xcode preview๊ธฐ๋Šฅ์„ ์‚ฌ์šฉํ•˜๋ ค๊ณ  ํ•˜๋ฉด ์ž๊พธ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ–ˆ๋‹ค Compiling failed: extra tokens at the end of #sourceLocation directive ์ด์™€ ๊ฐ™์€ ์—๋Ÿฌ๋Š” xcode ๋ฒ„๊ทธ๋ผ๊ณ  ํ•œ๋‹ค. if ๋ฌธ์ด๋‚˜ ํด๋กœ์ €์™€ ๊ฐ™์ด '{' ๊ด„ํ˜ธ ์—ด๊ธฐ ๋ถ€๋ถ„์— ์ฃผ์„์ด ์žˆ์œผ๋ฉด ๋ฐœ์ƒํ•˜๋Š” ์˜ค๋ฅ˜๋ผ๊ณ  ํ•œ๋‹ค. ์‹ค์ œ๋กœ ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ•œ ์ง€์ ์œผ๋กœ ๊ฐ€๋ณด๋‹ˆ ๊ด„ํ˜ธ ์—ด๊ธฐ ๋ถ€๋ถ„์— ์ฃผ์„์ด ๋‹ฌ๋ ค์žˆ์—ˆ๋‹ค ์ € ์ฃผ์„์„ ์‚ญ์ œํ•ด์ฃผ๊ณ  ๋‹ค์‹œ ๋นŒ๋“œํ•˜์˜€๋”ฐ ! Build Success !!

[Xcode] Simulator Error ํ•ด๊ฒฐ๋ฐฉ๋ฒ• : ld: in /Users/../.../Pods/FirebaseAnalytics/Frameworks/FIRAnalyticsConnector.framework/FIRAnalyticsConnector(FIRAnalyticsConnector_e321ed8e3db06efc9803f6c008e67a34.o), building for iOS Simulator, but linking in obj..

์ด๋ฒˆ์— ์•„์ด๋งฅ M1์„ ๊ตฌ๋งคํ•˜๊ณ  simulator๋ฅผ ์‚ฌ์šฉํ•  ๋•Œ๋งˆ๋‹ค ์—๋Ÿฌ์™€ ๋งˆ์ฃผํ•˜์—ฌ,, ๊ต‰์žฅํžˆ ๋ถˆํŽธํ–ˆ๋‹ค,,ใ…Ž ๋‚ด๊ฐ€ ๋งˆ์ฃผํ•œ ์—๋Ÿฌ๋Š” ld: in /Users/../.../Pods/FirebaseAnalytics/Frameworks/FIRAnalyticsConnector.framework/FIRAnalyticsConnector(FIRAnalyticsConnector_e321ed8e3db06efc9803f6c008e67a34.o), building for iOS Simulator, but linking in object file built for iOS, file '/Users/.../.../Pods/FirebaseAnalytics/Frameworks/FIRAnalyticsConnector.framework/FIR..

[swift] xcode build ์‹œ "Errors were encountered while preparing your device for development. Please check the Devices and Simulators Window." ์˜ค๋ฅ˜ ํ•ด๊ฒฐ๋ฒ•โ€ผ๏ธ

๊ฐ€๋” xcode์—์„œ ๋””๋ฐ”์ด์Šค ๋ฐ”๊ฟ”์„œ ๋นŒ๋“œํ•˜๋ ค๊ณ  ํ•˜๋‹ค๋ณด๋ฉด ๋งˆ์ฃผํ•˜๊ฒŒ ๋˜๋Š” ์—๋Ÿฌ๋ฉ”์„ธ์ง€... Errors were encountered while preparing your device for development. Please check the Devices and Simulators Window. ์ด์— ๋Œ€ํ•œ ํ•ด๊ฒฐ๋ฐฉ๋ฒ•์€ ์•„์ฃผ ๊ฐ„๋‹จํ•˜๋‹ค!!!!! ๊ป๋‹ค ํ‚ค๋ฉด ๋ผ์š” โ˜บ๏ธ

[swift] uikit์™€ swiftui ํ˜ผ์šฉํ•˜๊ธฐ (uikit์—์„œ swiftui์‚ฌ์šฉ, swiftui์—์„œ uikit์‚ฌ์šฉ)

1. UIKit → SwiftUI : UIKit์˜ UIView๋ฅผ SwiftUI์—์„œ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ• ์˜์–ด๋กœ๋Š” wrapping์„ ํ•œ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. wrap UIView to use in SwiftUI 1-a. SwiftUI์—์„œ UIView ์‚ฌ์šฉ UIViewRepresentable protocol๋ฅผ ์ค€์ˆ˜ํ•˜๋Š” ๊ตฌ์กฐ์ฒด(struct) ์ƒ์„ฑํ•˜์—ฌ SwiftUI์—์„œ ์‚ฌ์šฉ UIViewRepresentable protocol : UIViewRespresentable protocol์„ ์ค€์ˆ˜ํ•˜๊ธฐ ์œ„ํ•ด ๋ฐ˜๋“œ์‹œ ๊ตฌํ˜„๋˜์–ด์•ผ ํ•˜๋Š” 2๊ฐ€์ง€ ๋ฉ”์†Œ๋“œ func makeUIView(context: Context) → UIKit์˜ UI ElementType(ex. UILabel) SwiftUI์—์„œ ๋ณด์—ฌ์ค„ view๋ฅผ ๋ฐ˜ํ™˜ func updateUIVi..

[swift] swift์˜ ์ „์ฒด์ ์ธ ๊ตฌ์กฐ ๋ฐ UIView ๊ฐœ๋…

reference : https://crisco.tistory.com/entry/UIView-๊ฐœ๋…์•Œ๊ธฐ UIView ๊ฐœ๋…์•Œ๊ธฐ UIView๋Š” UI๋ฅผ ์ด๋ฃจ๋Š” ๊ตฌ์„ฑ์š”์†Œ์ด๋ฉฐ ํ™”๋ฉด์— ๋‚˜ํƒ€๋‚˜๋Š” ์‹œ๊ฐ์  ์š”์†Œ๋ฅผ ์ œ๊ณตํ•œ๋‹ค. ์œˆ๋„์šฐ๋Š” ์ปจํ…Œ์ด๋„ˆ ์—ญํ™œ์„ ํ•˜๋ฉฐ, ํ™”๋ฉด์— ํ‘œ์‹œํ•  ๊ตฌ์„ฑ ์š”์†Œ์—์„œ ์ตœ์ƒ์œ„์— ์œ„์น˜ํ•˜๊ณ  UIImageView, UITextView ๋“ฑ ๊ฐ ์šฉ๋„์— crisco.tistory.com

[swift] hit test

reference : https://baked-corn.tistory.com/128?category=718235 [ios] Hit Testing in iOS [ios] Hit Testing in iOS ์•ˆ๋…•ํ•˜์„ธ์š”. ์˜ค๋Š˜์€ iOS์—์„œ Event Handling์— ๋Œ€ํ•ด ๊ณต๋ถ€ํ•˜๋ฉด์„œ ์•Œ๊ฒŒ ๋œ ๋‚ด์šฉ์„ ์ •๋ฆฌํ•ด๋ณด๋ ค ํ•ฉ๋‹ˆ๋‹ค. ์ด์ „ ํฌ์ŠคํŒ…์—์„œ๋Š” UIControl์— ๋Œ€ํ•ด ์•Œ์•„๋ณด์•˜์Šต๋‹ˆ๋‹ค. ์˜ค๋Š˜์€ Hit Testing์— ๋Œ€ํ•ด ๊ธฐ. baked-corn.tistory.com

[swift] Rxswift ๋กœ timer

https://fomaios.tistory.com/entry/RxSwift-Disposable๊ณผ-DisposeBag [RxSwift] Disposable๊ณผ DisposeBag ์•ˆ๋…•ํ•˜์„ธ์š” Foma ์ž…๋‹ˆ๋‹ค. ์˜ค๋Š˜์€ RxSwift์—์„œ ๊ฐ€์žฅ ๊ธฐ์ดˆ๊ฐ€๋˜๋Š” Disposable๊ณผ DisposeBag์— ๋Œ€ํ•ด์„œ ์•Œ์•„๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค. ๋ฐ”๋กœ ์‹œ์ž‘ํ• ๊ฒŒ์š”~ Disposable ๋จผ์ € dispose์˜ ์‚ฌ์ „์  ์˜๋ฏธ๋Š” ๋ญ˜๊นŒ์š”? ์—ฌ๋Ÿฌ๊ฐ€์ง€ ์˜๋ฏธ๊ฐ€ ์žˆ์ง€๋งŒ fomaios.tistory.com

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