6 languages. 10 engineering domains. 83,172 pages — every tutorial written once and kept in step across EN / ES / JA / DE / FR / RU, so what you read today matches what’s translated tomorrow.
From the first print() to production notebooks — the language and the stack around it.
Agents, prompts and pipelines — build with the models instead of around them.
The browser as a platform: markup, styles and state.
Services, APIs and the languages behind them.
Store it, query it, keep it fast.
One syntax at a time, from C to Go.
Ship to the phone in your pocket.
Ship it, watch it, keep it up.
What every later chapter assumes you know.
From a single page to a published site.