3 articles

#patterns

All articles tagged with #patterns.

Arrange, act, assert: the shape of a good test

Every clear test follows the same three-part shape. Learn to spot it, write it on purpose, and see why messy tests almost always skip a step.

Sep 7, 20265 min

Two Pointers & the Sliding Window

Two interview-favorite patterns that turn O(n²) brute force into O(n): two pointers and the sliding window, shown live and in runnable Python you can edit.

Aug 13, 20265 min

Web Dev

React Composition Patterns That Scale

Write React that stays clean: composition over props soup, the children prop, and lifting state up. Practical patterns with examples.

Jul 13, 20268 min