Blog

Discover our expert articles to master technologies and ace your technical interviews

iOS Push Notifications APNs architecture with tokens and troubleshooting
MOBILE

iOS Push Notifications Interview in 2026: APNs, Tokens and Troubleshooting

Prepare for iOS interviews with this comprehensive guide on Push Notifications, APNs, token management and troubleshooting. Common questions with detailed answers.

Core Data to SwiftData migration guide for iOS developers
MOBILE

Core Data to SwiftData Migration: Step-by-Step Guide 2026

Complete guide to migrate your iOS app from Core Data to SwiftData with practical examples, coexistence strategies, and best practices.

Swift Structured Concurrency interview questions with async/await, TaskGroup and actors
MOBILE

Swift Structured Concurrency Interview Questions: async/await, TaskGroup, Actors

Technical Swift Structured Concurrency interview questions: async/await, TaskGroup, actors and concurrency patterns for iOS 2026

@Observable vs @State comparison in SwiftUI for iOS developers
MOBILE

SwiftUI @Observable vs @State: When to Use What in 2026

Master the differences between @Observable and @State in SwiftUI to choose the right state management tool for your iOS applications.

SwiftUI NavigationStack Interview Questions for iOS Developers
MOBILE

SwiftUI NavigationStack Interview Questions: Navigation Patterns 2026

Prepare for iOS interviews with essential questions on NavigationStack, NavigationPath and modern SwiftUI navigation patterns.

Fixing N+1 Query Problems with ActiveRecord in Ruby on Rails
BACKEND

ActiveRecord: Fixing N+1 Query Problems in Ruby on Rails

Complete guide to detecting and fixing N+1 query problems in Rails with ActiveRecord. Master includes, preload, eager_load and automated detection tools.