Why your Python code runs out of memory, and how yield fixes it. The library smelled faintly of...
The trap of modifying a list while iterating over it (and how to fix it). The library was warm,...
The trap of modifying a list while iterating over it (and how to fix it). The library was warm,...
Why ES6 classes are just "syntactic sugar" for prototypes Timothy stood at the chalkboard,...
From Callback Hell to Async/Await — A visual evolution Timothy stood at the chalkboard, his hand...
Why Promises run before Timeouts: A visual guide to the Event Loop Timothy stood at the drafting...
Why this is undefined. A visual guide to the "Left of the Dot" rule Timothy slumped into a chair...
Chapter 14: The Shape of Behavior The archive was unusually cold that Thursday. The radiators...
Chapter 13: The Table of Truth The Wednesday rain beat a steady rhythm against the archive...
Timothy was humming a tune as he organized the library’s archives. He felt invincible. He had...
Understanding Python aliasing, references, and the trap of shallow copies. The winter wind...
Timothy stumbled into the West Wing of the library, blinking against the strange, shimmering light....
The Ghost Room: A Story of Closures and the Variables That Refuse to Die. Timothy stood in the...
Clean code, fewer bugs, and elegant solutions in 2026. Happy New Year, everyone. 🎉
Timothy stood in the center of the archive room, holding a slim, leather-bound ledger labeled...
Chapter 12: The Sound of Breaking Glass Monday morning arrived with a heavy gray mist...
Chapter 11: The Architect's Blueprint The Friday afternoon sun slanted low through the...
"I've got a bug that's baffling me, Margaret," Timothy said, frustrated. "I’m trying to catch a...
"I feel like a broken record, Margaret," Timothy said, rubbing his eyes. "I have ten different...
It feels like I'm writing a grocery list, then driving to the store, then putting each item away one...
"It's getting cluttered, Margaret," Timothy sighed, leaning back from his monitor. "I'm trying to be...
The library was quiet, save for the rhythmic scratching of Timothy’s pen. He was debugging a function...
Timothy sighed, resting his forehead against the cool oak of the drafting table. Sheets of logic...
Function Composition: Building complex operations by chaining simple functions together, where the...
Chapter 10: The Indivisible Moment Tuesday morning brought a sharp, biting wind off the...
The rain had stopped, leaving the library in a heavy, quiet silence. The only sound was the whirring...
The afternoon sun cut through the dust motes dancing in the library air. Timothy was feeling...
Rain lashed against the tall, arched windows of the library, blurring the lights of London into...
Timothy was staring at his monitor with the distinct expression of someone whose brain had just...
Timothy was refactoring some data processing code when he hit a comprehension he couldn't understand....