Topological Sort: Solving the 'Course Schedule' Problem
How to solve Course Schedule with topological sort in TypeScript, comparing Kahn's algorithm with DFS cycle detection and why in‑degrees read clearly.
Articles, page 3 of 25
Articles from more than two decades of building, rebuilding, debugging and leading web projects.
Topological Sort: Solving the 'Course Schedule' Problem. 
Technical SEO Launch Criteria for a Next.js Migration. Technical SEO Launch Criteria for a Next.js Migration
Technical SEO launch criteria for Next.js migrations, covering URLs, redirects, canonicals, metadata, rendered HTML, schema, sitemaps, and recovery.
What GEO is, and Why It is Not Just SEO for AI. What GEO is, and Why It is Not Just SEO for AI
What GEO is, where the term helps, where it misleads, and how generative engine optimisation relates to search, retrieval, trust, and clearer web content.
Understanding the Module Pattern in JavaScript. Understanding the Module Pattern in JavaScript
The JavaScript module pattern explained through closures and private state, plus the architectural lessons it still teaches modern developers today.
How to Compare Rendered HTML Before and After a Migration. How to Compare Rendered HTML Before and After a Migration
Compare rendered HTML before and after a migration, checking headings, metadata, links, schema, body copy, media, crawl signals, and launch risk.
Multi‑Source BFS: Solving the 'Rotting Oranges' Problem. Multi‑Source BFS: Solving the 'Rotting Oranges' Problem
Solve Rotting Oranges with multi‑source BFS in TypeScript, treating each queue level as one minute and tracking fresh cells until spread completes.
Caching Strategies in React. Caching Strategies in React
React performance work is often about avoiding repeated effort. This guide looks at memoisation, browser caching, and smarter data‑fetching choices.
Traffic Dropped After a WordPress to Next.js Migration: What to Check First. Traffic Dropped After a WordPress to Next.js Migration: What to Check First
What to check when traffic drops after moving from WordPress to Next.js, including redirects, archives, metadata, canonicals, sitemaps, and content.
WordPress to Next.js Migration Checklist for Content, Preview and SEO. WordPress to Next.js Migration Checklist for Content, Preview and SEO
A WordPress to Next.js migration checklist for URLs, content models, media, preview, redirects, metadata, schema, sitemaps, SEO, and launch checks.
Quickselect in TypeScript: Solving 'Kth Largest Element in an Array'. Quickselect in TypeScript: Solving 'Kth Largest Element in an Array'
Solve Kth Largest Element in an Array with Quickselect in TypeScript, comparing sorting, heaps, partitioning, random pivots, and trade‑offs under pressure.
Practical Use Cases for JavaScript Set and Map. Practical Use Cases for JavaScript
SetandMapJavaScript's `Set` and `Map` simplify common tasks like managing unique values or key‑value pairs. Here, I'll share practical examples for everyday development.
Next.js Sitemap, Robots and Crawlability Debugging Checklist. Next.js Sitemap, Robots and Crawlability Debugging Checklist
A Next.js crawlability checklist for debugging sitemaps, robots.txt, canonicals, route generation, redirects, staging leaks, missing pages, and indexation.
Find Peak Element: Binary Search Without a Fully Sorted Array. Find Peak Element: Binary Search Without a Fully Sorted Array
How to solve LeetCode Find Peak Element with binary search, and why local comparisons are enough even when the array is not sorted in the usual way.
Why JavaScript Pages are Crawled but Not Indexed. Why JavaScript Pages are Crawled but Not Indexed
Why JavaScript pages get crawled but not indexed, covering rendered content, metadata, canonicals, links, noindex rules, quality, and crawl signals.
Graph Traversal: Solving the 'Course Schedule' Problem. Graph Traversal: Solving the 'Course Schedule' Problem
The 'Course Schedule' problem tests our ability to detect cycles using graph traversal. I'll explain a clear solution using depth‑first search with TypeScript.
React SPA to Next.js Migration Checklist for SEO and Indexing. React SPA to Next.js Migration Checklist for SEO and Indexing
A React SPA to Next.js SEO migration checklist for preserving indexing, redirects, metadata, rendered HTML, internal links, crawl paths, and launch confidence.
Dev Match Ltd., James McConnell, and the Refund That Never Came. Dev Match Ltd., James McConnell, and the Refund That Never Came
I paid Dev Match Ltd. for an iPad a year ago. It never arrived. Months of excuses from James McConnell, then a CCJ. This is my detailed record of what happened.
Testing Vue Components with Vue Test Utils. Testing Vue Components with Vue Test Utils
How to test Vue components with Vue Test Utils using realistic interactions, focused assertions, better test boundaries, and less brittle design.
Modified Binary Search: Solving 'Search in Rotated Sorted Array'. Modified Binary Search: Solving 'Search in Rotated Sorted Array'
How to solve Search in Rotated Sorted Array with modified binary search, identifying the sorted half each step and narrowing safely in TypeScript.
LeetCode: Solving the 'Merge Two Sorted Lists' Problem. LeetCode: Solving the 'Merge Two Sorted Lists' Problem
The 'Merge Two Sorted Lists' problem on LeetCode involves combining two sorted linked lists into one. Here, I explore a clear solution with TypeScript examples.
Binary Search on the Answer: Solving 'Koko Eating Bananas'. Binary Search on the Answer: Solving 'Koko Eating Bananas'
Solve Koko Eating Bananas with binary search on the answer, using feasibility checks, speed bounds, ceiling division, TypeScript examples, and edge cases.