development

How to start programming Ethereum as a Javascript developer

When I talk to other developers who want to start their journey into blockchain, I often get the question: ‘how do I start learning Ethereum?’ There are a lot of excellent sources at hand, so I made this post to quickly sum them up.

Note: since I am a Javascript developer myself, this article is geared towards devs who have at least a basic knowledge of the javascript fullstack environment.

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Programming Bitcoin training

From July 15 to 19, I visited the US for the very first time. My colleagues and I were invited to a kick-ass training at the Overstock Peace Colliseum in Midvale, Utah. Subject: Programming Bitcoin, trainer: the wonderful Jimmy Song.

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Token curated registry, the DataBroker DAO way

DataBroker DAO is the first marketplace to sell & buy sensor data.

Since the platform is built on revolutionary blockchain technology, we want to zoom in on some technical aspects. In this article, we’ll dive into a concept that is increasing in popularity: the token curated registry. We want to give you some insights into what this term means, and how we implemented it in DataBroker DAO.

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Unit testing ampersand.js with Jasmine

I’ve been wanting to write a post about writing unit tests for an Ampersand - or backbone, or even Angular - project for a while now. For my setup, I’m using Ampersand.js - if you don’t know it yet, check out an introductory post I wrote a while ago - , Jasmine and Grunt. The Jasmine tests run in Phantomjs in this setup.

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Creating a simple message dialog module with ampersand.js

After my blogpost from last week, I wanted to share a simple tutorial with you. Today, I will be going into some more practical ampersand.js code, and show you how you can use ampersand.js to the maximum to build your own component for dialog messages in a webapp. This component should be instantiated only once, and can be filled in with all the information you want to pass on to the user from anywhere within the code.

The result will look a little bit like the dialogs we’re using for neoScores, where the button is part of a custom view you can easily pass on to the dialog yourself:

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Ampersand.js in a nutshell

Ever since I’ve started working with ampersand.js (which is for about three months now), I’ve been wondering why not more people have discovered this wonderful non-frameworky ‘framework’ and written about it. I decided to share my knowledge and experience, of course starting with a short introduction to get everyone up to speed.

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