In 2005 I spent six months in a math department writing C++. Twelve lines of undergraduate computer science got the paper published — and hid a bug for 18 years.
My son was learning place value, so we built it: ten snap-fit cubes, each worth 1,000, stacked into a 1-meter Tower of 10,000. OpenSCAD, tolerances, and all.
Developers have grown used to sluggish tools, but do our IDEs need to be this heavy? A simple experiment comparing IntelliJ, VS Code, and Zed shows how performance can be more than optimization — it can be a design philosophy.