kristofk’s gists

kristofk / UIImage+PixelColor.swift

Created June 17, 2017 13:59 — forked from marchinram/UIImage+PixelColor.swift

iOS Swift UIImage subscript extension to get pixel color

	import UIKit

	extension UIImage {

	subscript (x: Int, y: Int) -> UIColor? {

	if x < 0 \|\| x > Int(size.width) \|\| y < 0 \|\| y > Int(size.height) {
	return nil
	}

kristofk / auto-executingClosure.swift

Last active March 21, 2018 17:38

MEDIUM: Lazy Stored Property — Swift DevTip

	class SomeClass {
	lazy var fibonacciNumbers: [Int] = {
	var fibonacciNumbers = [0, 1, 1]
	for index in 2...8 {
	let currentNum = fibonacciNumbers[index]
	let prevNum = fibonacciNumbers[index - 1]

	let newNum = currentNum + prevNum
	fibonacciNumbers.append(newNum)
	}

kristofk / git_create_orphan.sh

Last active April 22, 2018 12:07 — forked from seanbuscay/git_create_orphan.sh

Create an orphan branch in a repo

	# Prepare branch
	cd repository
	git checkout --orphan <orphan-name>
	git rm -rf .
	rm '.gitignore'

	# Create a commit (this can be empty) and push
	git commit --allow-empty -m “root commit”
	git push origin orphan_name

kristofk / testPrint.swift

Created May 29, 2018 09:36

Prints out the name of the function and the file it is located in! Good to track the flow of the app.

	func testPrint(function: String, path: String) {
	let pathElements = path.split(separator: "/")
	print("TEST: \(function) -> \(pathElements.last!)")
	}

	// Callsite: testPrint(function: #function, path: #file)
	// Filter in the console: test

kristofk / UIDevice+Extension.swift

Created July 9, 2018 14:23

An extension for UIDevice so that the device model NAME and IDENTIFIER can be determined.

	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)))
	}

kristofk / DeviceMeta.swift

Last active August 23, 2018 10:15

Get meta data like iPhone and iOS version of device

	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 / swiftCode.html

Last active December 2, 2022 13:54

Html code that can be used to put highlighted Swift code into a Custom HTML Gutenberg block in Wordpress

	<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 / switchMatrixVectors.swift

Last active October 15, 2018 13:33

Switch the rows and colums in Swift for vectors ( [[T]] ).

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

kristofk / xcode_build_fix.sh

Last active July 26, 2019 06:24

Fix to the following error message in terminal: terminated(72): xcrun --sdk macosx --find xctest output:

	sudo xcode-select --reset
	swift build

kristofk / fixgitignore.sh

Last active July 25, 2019 00:47

Apply gitignore to already existing project.

Kristof Kocsis kristofk