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In this article, you will learn about the different execution states of an iOS application. Based on the current state, you can decide what task you want to perform. There are different states that an app might have. The iPhone operating system (iOS) provides us with different five states of an application like the following − Not running Inactive Active Background Suspended An iOS application runs in several states, known as states of the application life cycle. App life cycles are crucial for iOS developers, as they help them understand how their apps behave. The following states are ... Read More
In this article, we will discuss Swift's comments, why, and how to use them correctly in Swift. Always keep one thing in mind while writing code i.e. The code must be written for people to read and understand as much as possible. Similarly to the Swift language, comments are very useful for making your code more easily understandable to you and other developers. All the comments in the code are completely ignored by the Swift compiler. There are two types of comments in Swift − Single Line Comments Multiline Comments Single Line Comments Syntax Swift allows us to ... Read More
Declaring variables as optional is always recommended and should be the first choice of a developer. You should mark them as optional if they can be invalid (nil or another type). Being developers, we consider it our responsibility to write safe and secure code. To make it possible, Swift provides us with many concepts, and optional is one of them. The optional variable might contain a nil value, so we have to get its value safely. There are a couple of ways to unwrap the value of an optional variable. Let's learn about them. First, we need to understand what ... Read More
Introduction This article will guide you about the usage of Class and what are the benefits of using inheritance in the Swift language. In this article, we will cover the following things − What is a class and what is its usage in Swift? What is inheritance and what are its benefits? What is a Class? In the Swift language, a class is a representation of properties and methods. We use classes to encapsulate properties and methods into a single entity that has the same characteristics. We use classes to store information in variables and constants. A class ... Read More
As an iOS developer, it is imperative to understand the difference between functions and methods in the Swift language. It might be confusing for you to understand the difference between function and method, but you might be thinking they are both the same. That's not true. They have some differences between them. Let's understand it in this article. In the Swift language, simply the methods are used in class, struct, and enum. While functions are defined independently. Basically, you can create a function anywhere in the code without creating a class or structure. Simply, we can say that each ... Read More
In this tutorial, you will get to know about some common design patterns that you should follow while making iOS apps. What are Swift Design Patterns? In Swift, design patterns make the development process easy for developers. A productive and effective work environment can be created by following the design patterns. An iOS design pattern is a set of repeatable methods for creating apps. What are the most common design patterns used in iOS development? Builder Facade MVC Singleton Viper MVVM Adaptor Observer Factory Method Let's talk about some of them to understand how they work − Algorithm ... Read More
Statistical process control (SPC) is a technique used to monitor processes to ensure they are under control. SPC can be used for many different types of industries, including manufacturing and food production. In this article, we'll cover statistical process control, how it works, and why it's so important. We'll also discuss some examples of applications where SPC has been put into practice so you can see how effective this method is at improving operations overall! What is statistical process control (SPC)? Statistical process control (SPC) is a technique used to monitor processes and manage their quality on an ongoing basis. ... Read More
If you're an entrepreneur or business owner, you know that achieving success requires continuous improvement. And that's where Six Sigma comes in − Six Sigma is one of the world's most popular and successful quality management systems. It's a process that helps businesses reduce variation and improve quality across their entire supply chain. It involves a series of steps that can be applied in any organization, but depending on your needs, you may want to customize it slightly. What is Six Sigma? Six Sigma is a process of continuous improvement. It’s a way to eliminate defects, improve quality and ... Read More
Quality is the cornerstone of any successful business. No business, no matter how small, wants to deal with an unsatisfied customer. It's not just frustrating; it can cost companies money in lost sales and damaged reputation. And that's where quality management comes in − achieving and maintaining high standards is a priority for many. Zero Defects (ZD) is a quality assurance concept developed by Philip Crosby. The concept's core was that individual workers should be empowered to reject products and processes that do not meet standards. It imposes personal accountability on individuals to ensure that the items they produce are ... Read More
Quality management is a critical part of product development. It's not just about ensuring that your product is delivered on time and in the right condition; it's also about improving customer satisfaction and other key business metrics. The bad news is that there are many different ways to approach quality management, making it difficult to get started or stay focused on your goals. However, with some planning and planning tools, you'll be able to develop a quality strategy that works for your organization! In this article, we'll cover seven elements needed when developing an effective quality management plan as well ... Read More