emoji detector

The joy of index cards

authorization code explanation

Tile38 — Tile38 is an open source (MIT licensed), in-memory geolocation data store, spatial index, and realtime geofence. It supports a variety of object types including lat/lon points, bounding boxes, XYZ tiles, Geohashes, and GeoJSON.

configure syndication endpoints — @aaronpk uses silopub to create new syndication endpoints

Agenda — Interesting ways to show notes connected to events in a calendar

The dots do matter: how to scam a Gmail user

Example of Location updates for Android

Start a foreground service on Android Oreo

Location history sans Google — I need to improve the Android app to get such nice points.