kristofk

//                .─────────────────────.
//          _.───'                       `────.
//        ,'                                   `.
//       (     init(next/1: ℕ[m]; P/1: ∑[m])     )
//        '─.                                 ,─'
//           `────.                     _.───'
//                 `──────────┬────────'
//                            │
//  ┌─────────────────────────┴──────────────────────┐
//  │           next[1] := i := 0; j := 1            │

kristofk

struct Observable<T> {
    typealias ChangeHandler = (_ oldValue: T, _ newValue: T) -> Void
    
    var value: T {
        didSet {
            notifySubscribers(oldValue: oldValue, newValue: value)
        }
    }
    
    internal init(_ value: T) {

kristofk

func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
        let currentText = textField.text! as NSString
        let newText = currentText.replacingCharacters(in: range, with: string)
        textField.text = newText
        return false
    }

kristofk

#!/bin/sh

# Calling this script:
# gitrenamebransh.sh <remote_name> <old_branch_name> <new_branch_name>

# Rename the local branch to the new name
git branch -m $2 $3

# Delete the old branch on remote - where <remote> is, for example, origin
git push $1 --delete $2

kristofk

#!/bin/sh
git rm -r --cached .
git add .
git commit -m "Fixed Gitignore"

kristofk

sudo xcode-select --reset
swift build

kristofk

func determineLongestItem<T>(in matrix: [[T]]) -> Int {
    var maxLength = 0
    for item in matrix {
        if item.count > maxLength {
            maxLength = item.count
        }
    }
    return maxLength
}

kristofk

<style>pre { background-color: #1a1a1a; border: 0px solid #ccc; padding: 0px; margin-bottom: 0px; } pre code { display: block; color: #a9bcbc; line-height: 1.4em; font-size: 0.95em; white-space: pre; } pre code .keyword { color: #e73289; } pre code .type { color: #8281ca; } pre code .call { color: #348fe5; } pre code .property { color: #21ab9d; } pre code .number { color: #db6f57; } pre code .string { color: #fa641e; } pre code .comment { color: #6b8a94; } pre code .dotAccess { color: #92b300; } .box { padding: 20px; margin: 0 auto; display: block; border-radius: 8px; background-color: #1a1a1a; border: 0px solid #ccc; } </style>
<!--Generate code at: https://splash.rambo.codes/ and then COPY HTML-->
<section class="box"><pre><code><!--Paste the generated code after this--><!--Paste the generated code before this--></code></pre></section>

kristofk

struct DeviceMeta {
	
	/// Version of the application.
	static let appVersion = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as? String
	
	/// Name of the current operation system. (ios/macos/...)
	static let osType = UIDevice.current.systemName
	
	/// Version of the operating system. (e.g. 11.4)
	static let osVersion = UIDevice.current.systemVersion

kristofk

extension UIDevice {
	
	static let modelName: String = {
		var systemInfo = utsname()
		uname(&systemInfo)
		let machineMirror = Mirror(reflecting: systemInfo.machine)
		let identifier = machineMirror.children.reduce("") { identifier, element in
			guard let value = element.value as? Int8, value != 0 else { return identifier }
			return identifier + String(UnicodeScalar(UInt8(value)))
		}