Google #Maps' massive amount of building detail and where it comes from:
Goes into other #visualization topics, such as how to convey density and "areas of interest".
It also led me to "Visualizing Mental Maps of San Francisco", which is fascinating in its own right:
From a /r/clojure post on people's preferred platform for where/how to host a #clojure channel and community.
Nevermind that it's the very definition of a straw poll - opinions of a few random users are not going to shift the mass of Slack users elsewhere. It's a bit sad that the only open source option in the top 3 is IRC, and modern alternatives like #Matrix/#Riot only show up in fifth place.
#figwheel doing a killer job of error reporting.
Its configuration validator caught a misplaced key-value pair. Instead of ignoring it, which would be perfectly valid given it's just a hashmap, it prints out hints as to what you may have been trying to do, and where to look for more documentation.