Guides
Longer-form writing that sits alongside the courses. Every guide states what kind of evidence backs it — a first-hand account, primary documentation, something we ran ourselves, or numbers printed by a program on the page — and that label is generated from the page's metadata, not typed by hand.
Collections
- The FactoryHow CodeLudo is actually built: two autonomous agents, a governance layer, and every way it has gone wrong so far.1 guide
- AI FundamentalsHow language models actually work — tokens, embeddings, context windows — explained with demos you can run and change.8 guides
- Computer Science, PlayableData structures and algorithms you operate rather than read about — build the tree, break it, and watch what it costs.15 guides
- JavaScript, Up CloseThe runtime behaviours that catch everybody out — ordering, coercion, identity — each one predicted by you first, then run for real.2 guides
- What Is ComingTechnologies arriving now, explained by operating them rather than by adjectives: the mechanism, the trade, and what it still cannot do.1 guide
Recently updated
- A Rotation Is Just Re-Hanging Three Subtrees, and the Order Never Changes
- Why Databases Use B-Trees: Fewer Levels Beats Fewer Comparisons
- Appending Is O(1) on Average, and the Average Hides the Interesting Part
- Find the Wasted Calls: the Skill Behind Every Memoisation
- Breadth-First and Depth-First Are the Same Loop, One Line Apart