System Design

John's Interview - Loader Design

🌑 Outline John went for an iOS Interview at TechForGood Organization, which has a system design round. Let’s go through the transcript of the discussion. Interviewer: Steve Candidate: John Stev...

Apr 30, 2024 System Design, Architecture

What's System Design

🌑 Outline A common discussion in any team before starting any mobile application is which architecture should be followed. The discussion starts with the latest architecture trends and slowly reac...

Jan 1, 2024 System Design, Architecture

Design Pattern

Simplify Factory Method (Creational Pattern)

🌑 Why Factory Pattern Six months back, Coder Spidey needed to develop SignIn functionality for her movie review application. She needed to integrate the Google authentication mechanism. She kne...

Aug 25, 2024 Design Pattern, Clean Code

Simplify Template Method (Behavioral Pattern)

🌑 Why Template Method Pattern Coder Spidey was once working on a movie classification application. She needed to develop an algorithm to categorize the application into comedy, horror, and ac...

Sep 20, 2023 Design Pattern, Clean Code

Simplify Decorator Pattern (Structure Pattern)

🌑 Outline The decorator pattern adds new functionality to an existing object without changing its structure. A wrapper on the existing object is created to add new functionality. Template - De...

Jun 24, 2023 Design Pattern, Clean Code

Simplified Facade Pattern (Structure Pattern)

🌑 Outline A pattern to provide a simple interface to a complex framework or library. It hides the complexity and interaction between different objects in the framework. Facade - Face of a buil...

Jun 24, 2023 Design Pattern, Clean Code

Swift

Swift Dynamic Member Lookup

Since Swift is statically typed, Coder Montu was missing some of the runtime flexibility offered by Objective-C. He was working on a setting screen of an applciation and it has a large number of...

Jul 28, 2024 Swift

Property Wrappers in Swift - (Must Use Feature)

Have you ever found yourself struggling with repetitive code while managing variables in Swift? For instance, dealing with tasks like persistently saving a value or ensuring thread-safe access to a...

Jul 7, 2024 Swift

Namaste Swift Server

🌑 Outline Swift has gained significant traction since its launch in 2014. Currently, it’s ranked as the 8th most in-demand language to learn. While many associate Swift with iOS and Mac developmen...

Apr 15, 2024 Swift, Vapor

Swift ?? (Nil Coalescing) Do's and Don't

Basics Optional is one of the fundamental safety features provided in Swift. It is a container for a value of a particular type. We are using the term container here because it means it may contain...

Jun 21, 2023 Swift, Swift Safety

iOS

SwiftUI - Observed vs State Object

One of the main features of reactive programming is observable objects. SwiftUI provides the feel of reactive programming by property wrappers like StateObject and ObservedObject. Both property wra...

May 27, 2024 iOS, SwiftUI

SwiftUI - Fixed vs Dynamic Size Spacer

A spacer is an element that adds space between two components. If it is inside a stack layout then it expands along the stack axis else expands in both directions. Fixed Size Spacer Spacer is also...

Apr 23, 2024 iOS, SwiftUI

Case 001 - AnyView kills Performance

📋 Case Detail Recently, I was working on an application and looking for a solution to dynamically return a view from a method. The scenario was that TabBar children could be returned dynamically ...

Mar 1, 2024 iOS, SwiftUI

SwiftUI - Create Expandable List (Section Approach)

🌑 Outline List View in Swift UI has the capability to support expandable lists without writing any extra logic for expansion or collapse. The section in a list can serve as the main cell and the c...

Sep 26, 2023 iOS, SwiftUI

ARC in Swift

One of the key factors for the success of any application is its performance. Effective Memory Management in an application is crucial for better performance of the application. iOS applications de...

Jul 15, 2023 iOS, iOS Memory Management

Distribute iOS Beta Build (Scheme & Configurations)

🌑 Outline Having multiple build configurations during the application’s development phase is a good practice. Customers can ask for both debug and release configuration builds. Beta and Alpha test...

Jul 2, 2023 iOS, iOS Beta Build

CrossPlatform