Kaz Yoshikawa codelynx
codelynx
/ Array+slice.swift
Last active
July 18, 2022 19:23
Array extension to slice an array with given number
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| import Foundation | |
| public extension Array { | |
| func slice(count: Int) -> [some Collection] { | |
| let n = self.count / count // quotient | |
| let i = n * count // index | |
| let r = self.count % count // remainder | |
| let slices = (0..<n).map { $0 * count }.map { self[$0 ..< $0 + count] } | |
| return (r > 0) ? slices + [self[i..<i + r]] : slices | |
| } |
codelynx
/ CGFloat+LosslessStringConvertible.swift
Created
April 4, 2022 04:07
Convert between CGFloat and String
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| // Note: | |
| // When you found that you cannot cast/convert between CGFloat and String, you may add following piece of code | |
| // to make your life a bit easier. | |
| // | |
| // if let number = CGFloat("1234.5") { | |
| // } | |
| // let string = String(CGFloat.pi) | |
| // | |
| extension CGFloat: LosslessStringConvertible { |
codelynx
/ archive-unarchive-3.swift
Created
September 4, 2021 13:12
This code demonstrate archive and unarchive objects derived from a certain class and its descendants using Codable and Runtime Utility
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| /* | |
| This sample code shows the problem of archive and unarchive abstruct objects. Please see `TODO` keyword | |
| and make this Contents class to save and load shape objects. | |
| CASE: All target objects are based on NSObject with NSCoding to archive and unarchive Shape desendant class objects | |
| file: archive-unarchive-1.swift | |
| https://gist.github.com/codelynx/428b27b3cfd58b8c7382346f1a4bc415 | |
| */ |
codelynx
/ archive-unarchive-2.swift
Last active
September 4, 2021 14:18
This code demonstrate archive and unarchive objects derived from a certain class and its descendants using NSObject and NSCoding
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| /* | |
| This sample code shows the problem of archive and unarchive abstruct objects. Please see `TODO` keyword | |
| and make this Contents class to save and load shape objects. | |
| CASE: All target objects are based on NSObject with NSCoding to archive and unarchive Shape desendant class objects | |
| file: archive-unarchive-1.swift | |
| https://gist.github.com/codelynx/428b27b3cfd58b8c7382346f1a4bc415 | |
| */ |
codelynx
/ archive-unarchive-1.swift
Last active
September 4, 2021 07:48
save/restore abstract objects
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| /* | |
| This sample code shows the problem of archive and unarchive abstruct objects. Please see `TODO` keyword | |
| and make this Contents class to save and load shape objects. | |
| */ | |
| import Foundation | |
| import CoreGraphics | |
| protocol Shape { | |
| } |
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| func casteljau<T: FloatingPoint>(_ v0: T, _ v1: T, _ t: T) -> T { | |
| return v0 + (v1 - v0) * t | |
| } | |
| func casteljau<T: FloatingPoint>(_ v0: T, _ v1: T, _ v2: T, _ t: T) -> T { | |
| let q0 = v0 + (v1 - v0) * t | |
| let q1 = v1 + (v2 - v1) * t | |
| return q0 + (q1 - q0) * t | |
| } |
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| // | |
| // UIKit+swizzling.swift | |
| // | |
| // The MIT License (MIT) | |
| // | |
| // Copyright (c) 2022 Electricwoods LLC, Kaz Yoshikawa. | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal | |
| // in the Software without restriction, including without limitation the rights |
codelynx
/ Thread+Z.swift
Created
March 15, 2021 12:26
Regardless of thread, execute closure on main thread
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| // | |
| // Thread+Z.swift | |
| // ZKit | |
| // | |
| // The MIT License (MIT) | |
| // | |
| // Copyright (c) 2020 Electricwoods LLC, Kaz Yoshikawa. | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal |
codelynx
/ XResponder+Z.swift
Created
March 13, 2021 14:25
make UIResponder/NSResponder conforms to Sequence protocol
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| // | |
| // UIResponder+Z.swift | |
| // ZKit | |
| // | |
| // The MIT License (MIT) | |
| // | |
| // Copyright (c) 2021 Electricwoods LLC, Kaz Yoshikawa. | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal |
codelynx
/ UIGestureRecognizer+Z.swift
Created
March 12, 2021 01:53
UIGestureRecognizer extension to keep arbitrary values associated with any gesture recognizers
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| // | |
| // UIGestureRecognizer+Z.swift | |
| // ZKit | |
| // | |
| // The MIT License (MIT) | |
| // | |
| // Copyright (c) 2021 Electricwoods LLC, Kaz Yoshikawa. | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal |