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Replacing a certain occurrence of a character in a string, for example a space(” “) is simple in Swift. Simply use the code below and substitute stringByReplacingOccurencesOfString(” “, withString: “+”) with the character you want to replace with a different character. let myString: String = “This is my string” let newString = myString.replacingOccurrences(of: ” “, […]

Converting a string to a number is simple thanks to Swift. The following code will take the number 42 and convert it to an int, float and double. let number = 42 let int = Int(number) let float = Float(number) let double = Double(number) print(int) print(float) print(double) It will then print the results to the […]

To get n character of a String in Swift you simply use Index, same to get a substring. The code below does the following: Get the nth character from a String (1) Get the nth character from the End of a String (2) Get a Substring from  a string from X position to Y position […]

The difference between let and var can be confusing in Swift so let’s clear up the difference. let is what is known as a constant. Once you set it once you cannot change it, like your Age it life it cannot be changed! For Example: let myAge = 24 var also known as variable can […]

Generating a random number in swift is easy. This tutorial will cover generating a random int, double, float and CGFloat using simple functions. To generate a random integer use the following function func randomInt(min: Int, max: Int) -> Int { return min + Int(arc4random_uniform(UInt32(max – min + 1))) } Then you simply can generate a […]

Checking if an element is an an array in swift is easy, with no special code required. In the example below we search our array the number “3” and print out “yes” if it is found: let elements = [3, 6, 9, 1, 7, 9] if elements.contains(3) { print(“yes”) } Since our array does in […]

Reading & writing to a text file in Swift is simple. We use the documents directory to store our text files and read from them. The code below does this. // Save data to file let fileName = “Test” let DocumentDirURL = try! FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true) let fileURL = DocumentDirURL.appendingPathComponent(fileName).appendingPathExtension(“txt”) […]

Splitting a string into an array based on the word sounds daunting initially, however is quite simple. To achieve this follow the sample code below: let sentence = “Hello im Seemu” let wordsArray = sentence.components(separatedBy: ” “) let wordFirst = wordsArray[0] // Hello let wordSecond = wordsArray[1] // im let wordThird = wordsArray[2] // Seemu […]

Converting a NSDate to a String and back again is easy with a few lines of code. NSDate to String let date = NSDate() // Get Todays Date let dateFormatter = DateFormatter() dateFormatter.dateFormat = “dd-MM-yyyy” let stringDate: String = dateFormatter.string(from: date as Date) print(stringDate) String to NSDate var dateString = “30-03-2016” var dateFormatter = DateFormatter() […]

The Error Got the following error in your app when trying to run it? Connections to websites not working in your app? Well there is a simple fix below! Why Does This Occur This happens, as from iOS 9 onwards, Apple enforced HTTPS connections that use TLS v1.2 or greater security. This is to protect […]