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Ruurtjan

@ruurtjan.com

2.6K followers 190 following 230 posts

Full-time indie maker. NsLookup.io WhatIsMyISP.com DNS for developers: https://www.nslookup.io/dns-course/

www.nslookup.io

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Ruurtjan @ruurtjan.com · Nov 14

I'm making a starter pack with full-time bootstrapped tech founders.

Mostly indie hackers.

Who should I add? (You can suggest yourself 😉)

go.bsky.app/FiXK17p

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Ruurtjan @ruurtjan.com · 22d

Bought the Berkeley mono font for the terminal and Cursor.

Pleasantly surprised by how much more enjoyable those are now 🤗

Ligatures make code more scannable and readable, too.

Would recommend.

usgraphics.com/products/ber...

TX-02 Berkeley Mono™ Typeface

A love letter to the golden era of computing.

usgraphics.com

Ruurtjan @ruurtjan.com · Aug 1

Vanity metric, but still kinda exciting that there are only 50k sites with more authority than nslookup.io

Ruurtjan @ruurtjan.com · Jul 15

Programming is a serious profession.

Ruurtjan @ruurtjan.com · Jul 8

const showSummary = email.length > summary.length;

Ruurtjan @ruurtjan.com · Jun 19

Congratulations on this type of problem 😄

Ruurtjan @ruurtjan.com · Jun 19

“10 hours straight. He’s a machine.”

Ruurtjan @ruurtjan.com · Jun 19

Cursor after adding an MCP

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Ruurtjan @ruurtjan.com · Jun 5

The only way to go fast is to go fast.

Ruurtjan @ruurtjan.com · May 29

Teachable is forcing a price hike again.

Seriously tempted to make a $0/month +$5 per student course hosting saas.

Ruurtjan @ruurtjan.com · May 28

I needed a logo for isplookup.com, but didn't want to spend more than 5 minutes. Found icon.kitchen and made one in 2 🥰

ISP lookup

ISP lookup shows your IPv4 and IPv6 addresses and their internet service providers. You can also enter an IP or domain name to find their ISPs.

isplookup.com

Ruurtjan @ruurtjan.com · May 27

The domain name isplookup.com dropped last week, so I made this online tool. It shows your IPv4 and IPv6 addresses and their internet service providers.

You can also enter an IP or domain name to find their ISPs.

Not as fancy as some startups, but I hope it'll have a tiny impact on many people :)

ISP lookup

ISP lookup shows your IPv4 and IPv6 addresses and their internet service providers. You can also enter an IP or domain name to find their ISPs.

isplookup.com

Ruurtjan @ruurtjan.com · May 21

Looks great!

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Reposted by Ruurtjan

Callum Laing @callumlaing.bsky.social · May 21

I was a tech guy in 90's. There was a feeling amongst the older guys that us new breed were idiots because we were only working on the application layer and didn't understand the 1's and 0's. Many of my dads friends believed you shouldn't be able to drive a car unless you knew how to fix it.

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Ruurtjan @ruurtjan.com · May 21

Do you see any reason that prevents AI from being incorporated into the process?

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Ruurtjan @ruurtjan.com · May 21

It’s very early days, so makes sense that things diverge before they converge.

In my experience, AI code assistants are already good enough to significantly speed up my development and show me approaches I didn’t think of myself.

We all need to learn how to use it and what it’s good enough at now.

Ruurtjan @ruurtjan.com · May 21

But they’re probably faster? Do code reviews and show them prompts that point out the weakness of their code. They’ll learn faster than the other cohort that way, simply because their iteration cycle is shorter.

Encourage that cohort to leverage AI as a learning tool, rather than a code generator.

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Ruurtjan @ruurtjan.com · May 21

After each session, see if you can find coding conventions or other opinionated things you can define as prompt rules. Commit them to git so the entire team will prompt AI similarly.

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Ruurtjan @ruurtjan.com · May 21

Working with AI is a skill that devs of any skill level can and should learn.

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Ruurtjan @ruurtjan.com · May 21

Start with function signatures and return types, then work through to implementation. Continuously iterate and optionally revert and try again with clearer requirements. When you’ve shown them a couple of times, they’ll understand what to look out for when evaluating the AI responses.

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Ruurtjan @ruurtjan.com · May 21

I’d start with working alongside them if you have the time and let them work with ai. Prompt for design options and their tradeoffs. Provide additional non-functional requirements until a decent approach emerges. Then let it summarise and start iterating on implementation.

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Ruurtjan @ruurtjan.com · May 21

It sounded like you’d advise juniors against using AI. Secretly going against the advice of a senior can induce shame.

Ruurtjan @ruurtjan.com · May 21

If used correctly (which you can teach junior devs), AI can be a medior pair programmer and private tutor.

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Ruurtjan @ruurtjan.com · May 21

Why don’t you teach them how to leverage AI to accelerate their growth?

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Ruurtjan @ruurtjan.com · May 21

Imagine telling them that they can’t look at how others tie their laces because they might do it badly/wrongly.

Shame them into painstakingly figuring it out by themselves by trial and error.

Ruurtjan @ruurtjan.com · May 20

How so?

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