Apple announced wireless debugging feature on Xcode 9 at WWDC 17. Apple say Cut the Cord Choose any of your iOS or tvOS devices on the local network to install, run, and debug your apps — without a USB cord plugged into your Mac. Simply click the ‘Connect via Network’ checkbox the first time you use a new iOS device, and that device will be available over the network from that point forward....
First of all what is UUID? In software development as soon as we encounter assigning/fetching piece of data uniquely first thing that pops up in mind is UUID(universally unique identifier). so this is how wikipedia defines it. A universally unique identifier (UUID) is an identifier standard used in software construction. A UUID is simply a 128-bit value. The meaning of each bit is defined by any of several variants....
What is Access specifier? Access specifier is keyword which helps in Access control of code block. Access control restricts access to the parts of your code from code in other source files and modules. Encapsulation is one pillar of Object Oriented Programming and access specifiers helps in encapsulating. What is Encapsulation?** Encapsulation is defined as the wrapping up of data under a single unit. It is the mechanism that binds together code and the data it manipulates....
According to Apple document You can prevent a method, property, or subscript from being overridden by marking it as final. Do this by writing the final modifier before the method, property, or subscript’s introducer keyword (such as final var, final func, final class func, and final subscript). Any attempt to override a final method, property, or subscript in a subclass is reported as a compile-time error. Methods, properties, or subscripts that you add to a class in an extension can also be marked as final within the extension’s definition....
What is code snippet? A small piece of a code in the program is known as a code snippet. Wikipedia The snippet is a programming term for a small region of re-usable source code, machine code, or text. Ordinarily, these are formally defined operative units to incorporate into larger programming modules. Snippet management is a feature of some text editors, program source code editors, IDEs, and related software. What is the use of code snippet?...
Common problems of writing NSLayoutConstraint Hello swift programmers, in this article we will look at how to use NSLayoutConstraint to elegantly handle the resize of view using some animation. let’s take an example In apple notes app if you notice as soon as the keyboard comes up the text fields height changes with sweet animation. which look good to eyes and gives thoughts to the brain how to they do it?...
WWDC 2020 happened on Mon, 22 June 2020, as expected lot of new features announced and are available under the developer beta program. If you want to use them before the actual release follow these simple steps. Note: As these update are beta there is possiblity of issue like data loss and bugs. so before starting the installation back up your data. Step 1 Download iOS beta profile from https://developer....
How to choose the right color? What is Color theory? Practical guidance to create or choose the right colors for your needs. Yes, there are set of rule to create or choose colors and we will discover these rules in this article. What is color? To answer what is color, we will have to understand the components of it Hue: Name of the color is called hue. Saturation: Intensity of the hue is called saturation Value: Degree of lightness or darkness of the color Shade: Hue produced by adding black Tint: Hue produced by adding white Tone: Hue produced by adding grey Types of colors Color wheel is very useful in understanding the colors....
In this article, we will look at the continue, break, fallthrough keywords in swift Continue: A continue statement ends program execution of the current iteration of a loop statement and move to next iteration. Ex: Increment the values of odd number in the array func increment(array: [Int]) -> [Int] { var output: [Int] = [] for number in array { ///Check if value is even if number % 2 == 0 { ///number append to output array and move to next iteration output....
In this article, we will learn about classes and Structs, the Difference between classes and structs and common features. Class Classes are reference types. It means that if you assign an instance of the class to a variable, it will hold only the reference to the instance and not the copy. class Person { var name: String init(name: String) { self.name = name } } var ceo = SomeClass(name: “steve”) var newCeo = ceo //ceo and newCeo now reference the same instance!...