SQLite Query Baselines for a Flask Blog: SQLAlchemy Logs, EXPLAIN, and Indexes That Matter
A practical checklist for measuring SQLite query paths in a Flask blog, validating plans with EXPLAIN, and adding only the indexes that protect public pages.
Tags: Database
Offline-First Sync in Android with Kotlin: Stabilize Weak-Network Flows with Room, DataStore, and WorkManager
A production-oriented offline-first sync guide for Android/Kotlin apps, covering Room as the source of truth, DataStore for small settings, WorkManager replay queues, validation commands, logging, and release review.
What to Watch in PostgreSQL 18: UUIDv7, Async I/O, and Upgrade Checks
PostgreSQL 18 brings useful capabilities, but production upgrades still need extension checks, backups, restore drills, query baselines, and rollback planning.