Kea Sigma Delta

Kea Sigma Delta We enjoy creating useful stuff using software & electronics, and helping others to do the same. http

Website: http://keasigmadelta.co.nz/

We're also on:
Twitter: https://twitter.com/KeaSigmaDelta
Google+: https://plus.google.com/100022354221622577133
YouTube: http://www.youtube.com/user/KeaSigmaDelta

08/06/2026

Is Object Orientated Programming (OOP) really as bad as some say it is? Let me take you on a journey from the hype that was, to reality...

03/06/2026

People THINK CMake is hard; it's not

And no, this isn't rage-bait. It really isn't anywhere near as hard as some make it out to be.

31/05/2026

Just added gross-profit tracking to Order Hand. Here's why...

26/05/2026

I built my wife a sales tracker app… and she went back to spreadsheets. 💩

People THINK C++ is hard; It really isn't...
19/05/2026

People THINK C++ is hard; It really isn't...

To keep you safe, TikTok won't allow you to watch my videos, and I can't follow your channel. So, videos about software ...
19/05/2026

To keep you safe, TikTok won't allow you to watch my videos, and I can't follow your channel. So, videos about software development are too scary and/or depressing for you to see... 🤡

11/05/2026

I got asked why I decided to write a sales tracker app for people like my wife who sell via WhatsApp. Why not just buy an existing product?

This is why...

04/05/2026

I wasted a full day building a WhatsApp waitlist system for my SaaS… before realizing I could replace it in just 10 minutes.

I’m building Order Hand — a simple app to help people who sell via WhatsApp or in-person track their sales without messy spreadsheets. My wife is one of them, and this is a real problem for a lot of small sellers.

In this video, I share a classic founder mistake: overengineering a solution when a much simpler option already exists. Instead of building a full WhatsApp newsletter system, I ended up using a WhatsApp Channel + a simple link-based signup flow.

Sometimes the best solution isn’t the one you build — it’s the one you almost overlooked.

28/04/2026

2 weeks ago I said that I'd build a SaaS app in C++ in 2 weeks. It’s an app for quickly recording sales, something my wife would actually use at a market event that we had coming up.

Well, I managed to get it up and running... with less than one hour to spare.

It had plenty of rough edges. But, it worked...

26/12/2025

You might think that I'm just playing, but I'm actually teaching my child about the laws of physics. 😉

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