Approaching “force layouts” or “force-directed graphs” in D3 can be awkward at first. Following this general pattern can help to keep you on the right track.

For force-directed graphs in D3 v4, you first need to import d3-force using npm or otherwise:

This is a tutorial for running Flask, a Python webserver, on Docker, a containerized virtual machine that can be deployed to any environment.

Running the Template

One distinction between casual and competitive games is that the latter has some mechanism for players to comparatively evaluate their skills against those of other players. Ordinarily, to incentivize this self-evaluation, which encourages…