Stopping the State Reset: Managing Configuration Changes with Android ViewModel
Learn how to use Android ViewModel to prevent data loss during screen rotations and configuration changes, while avoiding common memory leak pitfalls.
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androidChoosing Between Realm Flexible Sync and Partition-Based Sync: A Decision Guide for Mobile Apps
A practical decision guide comparing Realm Flexible Sync and Partition-Based Sync for mobile apps. Covers constraints, trade-offs, implementation patterns for Kotlin/Swift/JS, validation steps, and migration considerations.
Handling JSON Payloads in Ktor: Type-Safe Routing and Content Negotiation
Stop manually parsing JSON in Ktor. Learn how to use the ContentNegotiation plugin and kotlinx.serialization to build type-safe, clean REST endpoints.
ktorCentralized Error Handling in Ktor with the StatusPages Plugin
Learn how to install and configure Ktor's StatusPages plugin to convert exceptions and error statuses into consistent JSON responses, with setup steps, tests, and troubleshooting tips.
Resolving ConcurrentModificationException in Kotlin Mutable Collections
Learn how to diagnose and fix ConcurrentModificationException in Kotlin. This guide covers why for-each loops fail during element removal and provides safe alternatives like removeAll and MutableIterator.
Unlocking Kotlin’s Reified Types: How Inline Functions Bring Runtime Type Safety
Discover how Kotlin’s inline functions with reified type parameters let you perform type-safe generics at runtime, boost performance, and simplify API design. Learn the trade‑offs, see a concrete example, and get actionable guidance for your next project.
Stopping the Reset: Persisting Compose State with rememberSaveable
Stop losing user input and scroll positions during screen rotations. Learn how to use rememberSaveable to persist UI state across configuration changes and process death in Jetpack Compose.
What is the best practice for preserving regional time zone offsets in Realm Java/Kotlin?
Temporal Data Storage in Realm Realm stores date objects as 64-bit integers representing milliseconds since the Unix epoch (UTC). Because the SDK treats dates as absolute points in time, it does not natively store time zone metadata within the date field itself. When an application needs to reconstruct a specific regional time or handle daylight savings tran
javaDoes SupervisorJob prevent parent cancellation when a child coroutine fails?
Structured Concurrency and Exception Propagation In Kotlin Coroutines, structured concurrency typically ensures that a failure in a child coroutine propagates upward, triggering the cancellation of the parent and all remaining sibling coroutines. This behavior is designed to prevent orphaned tasks when a critical dependency fails. SupervisorJob Constraints T