MarcJacques

# Terminal Cheat Sheet

pwd         # print working directory
ls          # list files in directory
cd          # change directory
~           # home directory
..          # up one directory
-           # previous working directory
help        # get help
-h          # get help

MarcJacques

import Foundation

extension String {
    func anotherContains(_ searchString: String) -> Bool {
        let searchString = searchString.lowercased()
        let string = self.lowercased()
        let test = string.range(of: searchString)
        if test == nil {
            return false
        } else {

MarcJacques

import UIKit

func expandTheNumber(number: Int) -> [Int] {
    let numberString = String(number)
    
    let numberArray = numberString.compactMap { Int(String($0)) }
    var expandingArray: [Int] = []
//    print(numberArray)
    numberArray.count
    

MarcJacques

import UIKit


var word = "racecar"

func palindromeChecker (word: String) -> Bool {
    let letters = Array(word.lowercased())
    var index = 0
    while index < letters.count/2 { //check for the index half way through the word
        if letters[index] == letters[letters.count - index - 1] {

MarcJacques

import UIKit

struct Country {
    let name: String
    let capital: String
    let altSpellings:[String]
    let population: Int
    let timeZones: [String]
    let currencies: [CurrencySymbol]
    let languages: [Name]

MarcJacques

import UIKit

func replaceVowels(_ word: String, _ replacement: Character) {
    var newWord = ""
    
    for letter in word.lowercased() {
        switch letter {
        case "a", "e", "i", "o", "u":
            newWord.append(replacement)
        default:

MarcJacques

import UIKit

func sumOf35Multiples(_ number: Int) -> Int {
    var sum = 0
    if number > 0 {
    for x in 1..<number {
        let multiplesOf3 = x % 3
        let multiplesof5 = x % 5
        if multiplesOf3 == 0 || multiplesof5 == 0 {
            sum += x

MarcJacques

import UIKit

func sumAndProduct(_ sum: UInt,_ product: UInt) -> [UInt] {

    let x = sum / 2
    let y = product / x
    var solutionArray: [UInt]
    
    if x + y != sum || x * y != product {
        solutionArray = []

MarcJacques

func numberOfVowels(in string: String) -> String {
    var count = 0
    for vowels in string.lowercased() {
        switch vowels {
        case "a", "e", "i", "o", "u":
            print(vowels)
            count += 1
        default:
            break
        }

MarcJacques

import UIKit

func smallNum (sum: UInt, product: UInt) -> [UInt] {
    let x = sum / 2
    let y = product / 2
    var smallNumber: [UInt] = []
    if x > y {
        smallNumber.append(x)
        smallNumber.append(y)
        return smallNumber