Colin Wren – Medium

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Building My First App — JiffyCV

My first ever app — JiffyCV — is now in beta! Here’s the story about how it came to be, the approach I took to make it and what I’ve…

19 min readDec 18, 2020

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Building My First App — JiffyCV

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Colin Wren

Atomic Todo Discovery — Modelling dates

I’m currently building a Todo List app where Todos can be set for years, month, weeks and days. But how to model those dates in SwiftData?

7 min readNov 19, 2023

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Atomic Todo Discovery — Modelling dates

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Colin Wren

Using State Charts to design and validate your user flows

Prototyping is great but it involves a lot of effort. Now I’m building my 3rd app I’m looking for a quicker feedback loop

9 min readNov 11, 2023

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Using State Charts to design and validate your user flows

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Colin Wren

Trying to find the perfect Todo list app

I don’t use a traditional GTD style Todo List instead I have 19 lists for days, weeks and months and I wanted to find a new app for my…

27 min readOct 28, 2023

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Notion screen showing 19 Todo Lists with Todo Items in them

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Colin Wren

AI may take your job but it’ll take the company with it

The AI ‘bubble’ will see those companies that replace humans with AI fail because humans don’t just do their job. They give useful feedback

4 min readMay 6, 2023

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AI may take your job but it’ll take the company with it

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Colin Wren

Book Review — Resilient Management by Lara Hogan

We’ve started a book club at work and the first book on the list was Resilient Management by Lara Hogan, published by A Book Apart.

11 min readApr 1, 2023

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Book Review — Resilient Management by Lara Hogan

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Colin Wren

Enhance your shitposting with FFMPEG

I was watching one my favourite movies — An American Werewolf in London the other day and realised the meme potential of one of the scenes

3 min readMar 11, 2023

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Colin Wren

Authenticating via Microsoft Azure AD in Cypress (and Puppeteer)

Automating single sign on using Microsoft Azure AD can be troublesome when using Cypress

3 min readFeb 25, 2023

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Authenticating via Microsoft Azure AD in Cypress (and Puppeteer)

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Colin Wren

midi-to-lsdj development update

I’ve just released v1.5.0 of midi-to-lsdj my little library for converting MIDI files into the commands needed to reproduce the song in…

9 min readFeb 19, 2023

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Little Sound DJ software running on a Nintendo Gameboy

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Colin Wren

What I’ve learned after taking a four-month sabbatical from work

In October 2022 I started a sabbatical from work. Here’s what I’ve discovered after 4 months off

7 min readFeb 5, 2023

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What I’ve learned after taking a four-month sabbatical from work

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Colin Wren

Colin Wren

Currently building reciprocal.dev. Interested in building shared understanding, Automated Testing, Dev practises, Metal, Chiptune. All views my own.

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