IhwanID’s gists

IhwanID / main.swift

Last active February 1, 2024 13:00

Given a set of numbers, determine if there is a pair that equals a given sum.

	//func hasPairWithSum(_ arr: [Int], _ sum: Int) -> Bool {
	//
	// for i in 0..<arr.count {
	// for j in i + 1..<arr.count {
	// if arr[i] + arr[j] == sum {
	// return true
	// }
	// }
	// }
	// return false

IhwanID / CocoaStandard.sdef

Created June 23, 2023 03:41

Apple Standard SDEF file

	<?xml version="1.0" encoding="UTF-8"?>
	<!DOCTYPE dictionary SYSTEM "file://localhost/System/Library/DTDs/sdef.dtd">

	<dictionary title="Standard Terminology">

	<suite name="Standard Suite" code="????" description="Common classes and commands for all applications.">

	<command name="open" code="aevtodoc" description="Open a document.">
	<direct-parameter description="The file(s) to be opened.">
	<type type="file"/>

IhwanID / main.swift

Created February 7, 2023 23:35

Self Sizing CollectionView

	if let collectionViewLayout = collectionView.collectionViewLayout as? UICollectionViewFlowLayout {
	collectionViewLayout.estimatedItemSize = UICollectionViewFlowLayout.automaticSize
	}

IhwanID / news.json

Created March 8, 2022 14:27

Mock JSON NewsAPI

{"status":"ok","totalResults":38,"articles":[{"source":{"id":null,"name":"Kompas.com"},"author":"Rendika Ferri Kurniawan","title":"Fakta-fakta 8 Planet di Tata Surya dan Kemungkinan Planet Kesembilan - Kompas.com - KOMPAS.com","description":"Ada planet-planet yang bergerak tak searah jarum jam, bahkan porosnya miring. Ada juga yang berwarna merah tapi justru dingin. Ini fakta-fakta planet.","url":"https://www.kompas.com/tren/read/2022/03/08/193100965/fakta-fakta-8-planet-di-tata-surya-dan-kemungkinan-planet-kesembilan","urlToImage":"https://asset.kompas.com/crops/zJuFpHFHSpTLKGj4GElqaUkMx1s=/150x4:835x460/780x390/filters:watermark(data/photo/2020/03/10/5e6775d554370.png,0,-0,1)/data/photo/2021/04/19/607cec3127dfa.jpg","publishedAt":"2022-03-08T12:31:00Z","content":null},{"source":{"id":null,"name":"Kompas.com"},"author":"Reska K. Nistanto","title":"Cara Nonton Apple Event Malam Ini, iPhone SE 3 Bakal Meluncur? - Kompas.com - Tekno Kompas.com","description":"Apple akan menggelar acara peluncuran bertajuk 'Peek

IhwanID / test.swift

Created August 27, 2021 22:39

Track Memory Leaks Unit Test with XCTestCase Extension

	import XCTest

	extension XCTestCase{
	func trackMemoryLeaks(_ instance: AnyObject, file: StaticString = #file, line: UInt = #line){
	addTeardownBlock { [weak instance] in
	XCTAssertNil(instance, "Instance should have been deallocated. Potential memory leak.", file: file, line: line)
	}
	}
	}

IhwanID / main.swift

Last active August 17, 2021 12:29

Intro to Dependency Diagrams and Composition

	import UIKit

	class FeedViewController: UIViewController{
	var loadFeed: ((([String]) -> Void) -> Void)!

	convenience init(loadFeed: @escaping (([String]) -> Void) -> Void){
	self.init()
	self.loadFeed = loadFeed
	}

IhwanID / main.swift

Created March 15, 2021 01:22

For Where in Swift

	let numbers = [1, 2, 3 , 4 , 5, 6]

	for number in numbers{
	if number.isMultiple(of: 2){
	print(number)
	}
	}

	for number in numbers where number.isMultiple(of: 2){
	print(number)

IhwanID / Optional+Ext.swift

Created March 15, 2021 01:16

String OrEmpty Optional Extension

	extension Optional where Wrapped == String{
	var orEmpty: String{
	switch self{
	case .some(let value):
	return value
	case .none:
	return ""
	}
	}
	}

IhwanID / main.swift

Last active February 5, 2021 15:26

Combine Many Merge Pokemon API

	//
	// ViewController.swift
	// Pokemon
	//
	// Created by Ihwan ID on 04/02/21.
	//

	import UIKit
	import Combine

IhwanID / main.swift

Created January 31, 2021 06:26

Two Sum in Swift

	func twoSum(_ nums: [Int], _ target: Int) -> [Int] {
	var dictionary = [Int:Int]();

	for index in 0 ..< nums.count {
	let complement = target - nums[index];
	if dictionary.keys.contains(complement) && dictionary[complement] != index {
	return [dictionary[complement]!,index];
	}
	dictionary[nums[index]] = index
	}

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