RxJS: Getting fooled by empty Observables
Empty observables can be dangerous when not understanding how they affect callbacks. In this post I will try to explain how you can avoid getting fooled by empty observables.…
React Native and the Array.reverse bug
The news that broke a couple of days ago about the Array.reverse-bug that occurs in the newly released iOS 12 was a bit scary. I first learnt about it from this Stack Overflow-post by way of Hacker News. Developers have experienced a JavaScript-bug in Safari iOS 12, where an…
Building our new website
At some point, we all come to the same conclusion: we have to upgrade our website. For us, it meant modernizing the visual profile (including new logo and colors) and starting from scratch technically. An important requirement was that the new website had to be easy to maintain in a…
Manually testing APIs using Client Credentials and bearer tokens with REST Client for Visual Studio Code
The REST Client for Visual Studio Code is an excellent tool for testing HTTP based endpoints. In my opinion it's one of the smoothest ways to test any endpoint behind an HTTP interface. But there are some use cases where Postman felt like it had a somewhat less finicky workflow,…
Elastomania takes the stand, part 1
Winter 2018 we put on our cross-country skis and went to a cabin in the woods. Our boss told us not to come back until we had come up with an idea for our stand for NDC Oslo ;) After a lot of discussion, arguing and beer we came up with…
You're a designer, Harry or: Four handy tricks using Zeplin
I'm not a designer, but for a brief period of time I got to feel like I knew how it feels to be one. It all started when a new designer was brought on to a previous client project I worked on and introduced us to Zeplin. Or to be…
Your first VS Code extension
It's not a secret that VS Code is becoming a very popular choice as editor for many developers[1]. I like the editor because it is snappy, and has extensions for pretty much any language or framework I dive into. One feature I love using with VS Code is "…
Sanity CMS - headless CMS for the people
A headless CMS is free of the presentation layer, and focuses entirely on the content. It does not ship with any frontend template structure or middleware for hijacking the pipeline. By choosing a headless CMS you can more freely choose which technology you wish to build your application with, since…
A first look at the SBanken Open Banking API
Due to the PSD2 directive and Open Banking initiatives, Norwegian banks have started to make their data available to external parties and customers through APIs. Several banks have now launched their first versions of APIs and developer portals. Nordea seems to be the one with the most functionality exposed (https:…
Angular pitfall: Multiple HTTP requests with RxJS and observable$ | async
I recently discovered that our Angular app was making multiple HTTP requests unintentionally to the same REST API endpoint. The app was using the HttpClient introduced in Angular 4.3, which enables direct access to the JSON response when subscribing to the Observable from the HTTP request. The HTML markup…