Offline-first aquarium log in Flutter with Drift and SupabaseWater tests in Flutter: blank readings that never become zero, free ammonia from pH and temperature, canonical units, Drift-to-Supabase sync.11 min read·treamz.hashnode.dev2d ago
Mapping free street parking from open data with PostGIS and MapKitTurning cities' paid-parking data into likely-free kerbs with PostGIS, why OSM parking tags fail outside Germany, and drawing them in SwiftUI Map.11 min read·treamz.hashnode.dev2d ago
Identifying card printings on device with Vision and OCRArtwork matching picked the right card printing 89.5% of the time even given the number. Combining Vision feature prints with OCR, and when to ask.11 min read·treamz.hashnode.dev2d ago
Planning sourdough backwards in Swift, with quiet hoursHow Proofday plans a sourdough bake backwards in Swift: a temperature model, a dynamic program on a 5-minute grid, quiet hours, Live Activities.12 min read·treamz.hashnode.dev2d ago
Counting reps with Vision and locking apps with Screen TimeCounting push-ups from Vision body pose with one state machine, and what Screen Time's shields, callbacks and 20-activity limit really allow.10 min read·treamz.hashnode.dev2d ago