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Soap soapyigu

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soapyigu / GetImage.swift

Created January 22, 2023 22:21

Get an image from a url

	// Convention: using GCD and URLSession
	import Foundation
	import UIKit

	enum NetworkError: Error {
	case invalidURL
	case noData
	case failedRequest
	case returnedError
	}

soapyigu / Notification Center Design

Created January 22, 2023 01:44

	class NotificationCenter {
	static let shared = NotificationCenter()

	// notification to (class name and closures)
	private var notificationsStorage = [String: [(String: [(String, Any) -> Void)]]]()

	private init() { }

	func addObserver(_ class: Any?, name: String, closure: @escaping (String, Any) -> Void) { }

soapyigu / DevceModel.swift

Last active February 2, 2021 07:04

	// https://stackoverflow.com/questions/26028918/how-to-determine-the-current-iphone-device-model

	import SystemConfiguration
	import UIKit

	public extension UIDevice {
	static let modelName: String = {
	var systemInfo = utsname()
	uname(&systemInfo)
	let machineMirror = Mirror(reflecting: systemInfo.machine)

soapyigu / MachineName.swift

Last active November 26, 2018 05:48

	// https://stackoverflow.com/questions/26028918/how-to-determine-the-current-iphone-device-model

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

soapyigu / FBRetainCycleDetectorSample.m

Created July 21, 2018 23:21

	#import <FBRetainCycleDetector/FBRetainCycleDetector.h>

	self.block = ^{
	NSLog(@"%@", self);
	};

	FBRetainCycleDetector *detector = [FBRetainCycleDetector new];
	[detector addCandidate:self];
	NSSet *retainCycles = [detector findRetainCycles];
	NSLog(@"%@", retainCycles);

soapyigu / retaincycle.m

Last active July 21, 2018 23:17

	@interface ViewController ()

	@property (nonatomic, copy) void (^block)(void);

	@end

	@implementation ViewController

	- (void)viewDidLoad {
	[super viewDidLoad];

soapyigu / WorldCup.ics

Created June 13, 2018 06:26

FIFA 2018 WORLD CUP SCHEDULE

	BEGIN:VCALENDAR

	VERSION:2.0

	BEGIN:VEVENT
	SUMMARY: [A] 🇷🇺Russia vs. 🇸🇦Saudi Arabia
	DTSTART;TZID=America/Los_Angeles:20180614T080000
	DTEND;TZID=America/Los_Angeles:20180614T094500
	END:VEVENT

soapyigu / covQueue.h

Created April 28, 2018 22:06

	@interface Queue<__covariant ObjectType> : NSObject

	- (void)enqueue:(ObjectType)value;
	- (ObjectType)dequeue;

	@end

soapyigu / cast.m

Created April 28, 2018 22:00

	int main(int argc, const char * argv[]) {
	@autoreleasepool {

	Queue<Sub > subQueue = [[Queue alloc] init];
	Queue<Sup > supQueue = subQueue; // Warning: Incompatible pointer types initializing 'Queue<Base >' with an expression of type 'Queue<Sub >'

	[supQueue enqueue:[Sub new]];
	}

	return 0;

soapyigu / main.m

Last active April 28, 2018 21:12

	int main(int argc, const char * argv[]) {
	@autoreleasepool {

	Queue<NSString > stringQueue = [[Queue alloc] init];
	[stringQueue enqueue:@"abc"]

	Queue<NSNumber > numberQueue = [[Queue alloc] init];
	[numberQueue enqueue:@123];

	[numberQueue enqueue:@"abc"]; // Warning: Incompatible pointer types sending 'NSString ' to parameter of type 'NSNumber '

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