Why do we keep spare bedrooms? In theory), it’s for our beloved guests. A gesture of hospitality, a soft bed for friends and family, so no one ends up sleeping on the sofa, or worse, in bed with you.

PYGGI is the lightweight and simple framework for Genetic Improvement. It helps one practice or experience GI with only few code lines by reducing the costs of implementing typical GI process such as ...

Given a non-empty binary tree, find the maximum path sum. For this problem, a path is defined as any sequence of nodes from some starting node to any node in the tree along the parent-child ...

Over the last few years, I’ve been very slowly working up a short expository paper — requiring no knowledge of categories — on set theory done categorically. It’s now progressed to the stage where I’d ...