Mathias' small world

Thoughts, guidance, stories and ideas


Extending Django Knox by secure refresh-tokens

How Django-Rest-Knox auth-system can be extended: short-lived access tokens, HTTP-only refresh cookies, rotation, CSRF, and clean session semantics.

23 min read   ·   2025

Catenary objects: putting a wire between two points (in 3D)

Modelling a hanging physically/geometrically correct chain supported only at its endpoints.

19 min read   ·   2022

Pretend a Mouse: VR-GUI in Godot

How I cheated my way to VR-friendly UI in Godot by raycasting into a mesh, projecting into a viewport -- and then faking mouse events.

14 min read   ·   2022