Per Harald Borgen

Clean Code Principles for Beginners [2026]

The clean code principles that hold up, the ones that are contested, and real before and after examples. Written for beginners, honest about the arguments.

CSS Variables: A Complete Guide [2026]

CSS variables explained in full: scoping, inheritance, var() fallbacks, JavaScript, theming, @property, and the gotchas that break them.

AI Explainer Video Makers Compared [2026]

Explainer video maker means two different products. Marketing explainers and comprehension explainers compared, with verified 2026 pricing and real timelines.

Best ChatGPT Plugins for Creating Videos [2026]

Sora is gone, so video in ChatGPT now comes from plugins. The main video plugins in the directory, verified October 2026, sorted by job, with vendor pricing.

How to Turn a PDF into a Video [2026]

Four ways to turn a PDF into a video, what each tool accepts and costs, and how to get an MP4 out. Every free plan and limit checked on the vendor's own page.

AI Code Review: How It Works and What It Misses [2026]

How AI code review works in 2026, what it reliably catches, and what it misses. Tool prices and documented limits verified from vendor pages.

How to Understand a New Codebase Fast [2026]

A working method to understand a codebase fast: entry points, one request end to end, tests, git history, seams, and the tools that actually help.

How to Add MCP to Claude Code [2026]

Add an MCP server to Claude Code with one command. Transports, the three config scopes, .mcp.json, authentication, and a real troubleshooting section.

How to Use Scrimba Explain: A Developer's Guide [2026]

What Scrimba Explain does, how to install it on Claude Code, Codex, or ChatGPT, where it is listed as Explain Video Generator, and where it falls short.

Best Claude Code Plugins [2026]

A verified guide to the best Claude Code plugins in 2026: what a plugin actually is, how to install one, which are worth having, and the security cost.

Best MCP Servers for Developers [2026]

The MCP servers worth running in 2026, organized by job, labelled by who maintains them, with the security trade-off stated instead of buried.

Free AI Video Generators [2026]

Every free AI video generator re-checked on its vendor's own page: allowance, resolution, watermark, commercial use and what expires, plus the free explainer option.