Hacker News Reader

If you're reading this, Opendoor folks, you need to have an on-map credit to OpenStreetMap. Your map service provider, Mapbox, uses OpenStreetMap data and OSM requires attribution:

https://openstreetmap.org/copyright

This is consistent with every other map data provider - they also have on-map attribution:

https://www.systemed.net/osm/attribution.png

More reasons not to use ActiveRecord/ in app serialization or MongoDB.

Just use PostGIS for the geodata and Postgres JSON type for serialization.

The value is in the rest of usecases that don't need that much of a performance boost. I think it's great that easier/higher level abstractions can be leveraged for most business logic/usecases (using Rails/Django/other frameworks) and teams can dig down and bypass those abstractions for the few endpoints that they really need to be performant of (like this article describes).

I really want to like Datadog. But, their website is often too unresponsive and sluggish. I always feel some unpleasant cognitive dissonance when using it.

How We Made Our Maps 10x Faster