Old Lane 17
Programming tutorials and notes
Latest posts
Silicon and Scalpels: When Kevin Kelly Met the AI Prophets in Hangzhou
The ASX Odd Couple (Plus One): When Medical Software, Gold Bricks, and Tactical Tech Walk into a Bar
Understanding Python Decorators
Learn how Python decorators work from first principles — closures, higher-order functions, and the @ syntax explained with practical examples.
JavaScript Promises and Async/Await
A practical guide to asynchronous JavaScript — from callbacks and Promises to the async/await syntax and error handling patterns.