Stopping the Rotation Crash: Managing UI State with ViewModel and LiveData
Learn how to use ViewModel and LiveData to prevent data loss and crashes during Android configuration changes like screen rotations.
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Learn how to use ViewModel and LiveData to prevent data loss and crashes during Android configuration changes like screen rotations.
Compare GCS storage classes (Standard, Nearline, Coldline, Archive) and implement automated cost-saving transitions using Object Lifecycle Management.
Learn how to use IBM Cloud Object Storage lifecycle policies to automatically move aging data to the Infrequent Access tier, reducing costs while managing retrieval latency.
Learn how to enable Detaspace’s automatic tiering, the minimal design needed, trust boundaries, and how to verify it works. A step‑by‑step guide for architects and operators.
Learn how to use Android ViewModel to persist UI state across screen rotations and configuration changes while avoiding memory leaks and handling process death.
Learn how to configure IBM Cloud Object Storage lifecycle rules to move infrequently accessed objects to the Cold Vault tier, reducing storage costs while understanding retrieval latency trade‑offs.
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Goal: Determine whether developers should manually clean up unused interest groups in Photon Realtime or rely on custom properties for event filtering. Constraints: Interest group subscriptions are not persisted across reconnections, the server supports a maximum of 255 groups per client, and there is no built‑in mechanism to automatically remove unused grou