dotjesper.com | GitHub Copilot

All posts for GitHub Copilot keyword.

A newbie's guide to the galaxy - part 4

July 6, 2026 by Jesper Nielsen • 29 minutes to read

What happens when ambitions are higher than your current skill set, but you keep building anyway?

This is not a guide, it is merely a continuation of my blog-ramblings, a collection of things I found useful while building this website from the ground up. If you have been following this Building my blog series, you know the pattern by now: I start with something I want to build and run headfirst into the limits of what I know - struggle - learn - and come out the other side with something I am genuinely proud of.

Exploring Microsoft Copilot Cowork skills

June 25, 2026 by Jesper Nielsen • 28 minutes to read

What happens when years of refining AI instructions meet a completely new way of working with AI?

In my previous post, I covered what Copilot Cowork is, how it works, and why the personalization model - personal instructions, memory, and custom skills - is what sets it apart. This post goes deeper into the skill format itself and the journey of translating years of GitHub Copilot instruction files into Copilot Cowork skills.

Building instruction files for GitHub Copilot

May 6, 2026 by Jesper Nielsen • 27 minutes to read

What if the most impactful thing you could do for your coding workflow was not writing code at all - but teaching your AI assistant how you think?

Most people start using GitHub Copilot the same way: open a file, type a comment, accept a suggestion. It works. But after a while, you notice the output does not quite match your standards. Variable names are wrong. The script structure is off. Terminology is inconsistent. You spend time correcting GitHub Copilot’s output instead of building on it.

5 reasons you should explore Vibe Coding

December 3, 2025 by Jesper Nielsen • 12 minutes to read

Have you heard about Vibe Coding?

If you have been anywhere near the tech community lately, you have probably stumbled upon the Vibe Coding term. It is one of those concepts that sounds almost too casual to be revolutionary, yet it is reshaping how you approach coding, scripting, and automation.

A newbies guide to the galaxy - part 3.5

May 7, 2025 by Jesper Nielsen • 20 minutes to read

What happens when your ambition consistently outgrows your competence - and you keep going anyway?

This is not a guide, it is merely a continuation of my blog-ramblings, a collection of things I found useful while building this website from the ground up. If you have been following the first and second installments of this series, you know the pattern by now: I start with grand ambitions, run headfirst into the limits of what I know, struggle, learn, and come out the other side with something I am genuinely proud of.