Arthur Denner

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Software Engineer living in Sweden working with JavaScript. Learning Flutter, Node and GraphQL. Addicted to TV shows, especially nordic. Subscribe my newsletter: https://buttondown.email/arthurdenner.

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A tale of knowledge building

Apr 24, 2021 4 min read

I love to learn and how we build up knowledge. Also, I love to apply my knowledge somewhere, so here's a story about this. Disclaimer This post doesn't try to teach about the technologies it mentions but to describe a recent experience and highlight ...

How to debug postMessages

Feb 23, 2021 2 min read

TL;DR monitorEvents(window, 'message') // or window.addEventListener('message', console.log) Concept From the MDN docs: The window.postMessage() method safely enables cross-origin communication between Window objects; e.g., between a page and a pop...

#JavaScriptmas

Dec 18, 2020 2 min read

I decided to participate in Scrimba's Advent Calendar this year. I enjoyed it a lot and here are my solutions: #1 - Candies #2 - Deposit Profit #3 - Chunky Monkey #4 - Century from Year #5 - Reverse a string #6 - Sort by length #7 - Count Vowel Cons...

Save data from push notifications to SQLite

Sep 1, 2020 9 min read

Introduction In this tutorial, you'll learn how to create a background service using Kotlin to listen to push notifications even when the app is closed, handle them and save them to SQLite. Even though the context is a Flutter app, this is applicable...

Save data from push notifications to SQLite

Update Heroku environment variable after GitHub release

Jul 17, 2020 4 min read

Context If we are using GitHub releases as part of our release workflow, we can use GitHub Actions to accomplish many tasks, such as notifying services about the new release. This is very helpful as we can use a single step on our workflow to keep al...

Update Heroku environment variable after GitHub release

Create Sentry releases after GitHub release

Jul 10, 2020 4 min read