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Cloud Computing and Carbon Footprint

Businesses around the world start to grow more conscious of environmental issues. Yet, although a decision made for an IT infrastructure is often one made for the long term, its carbon footprint is rarely taken into account.

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What Could Possibly Go Wrong

What could possibly go wrong if you put Clojure 1.10 and Scala 2.13 on the same classpath? We’re about to find out.

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code-your-model

modularized modeling based on a project-specific DSL

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Automating GitHub Pages Deployments with GitHub Actions

This describes setting up a GitHub Actions workflow from scratch for automating the deployment of static pages.

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Animating SVG Icon Transitions

This describes options for morphing one SVG icon into another using both SMIL or CSS transforms.

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Choose Your Docker Base Image Wisely
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Type checking JSX: A can of props

In this post, I’d like to describe how JSX type checking in TypeScript actually works and the problems you’re going to encounter when implementing custom, non-React JSX components.

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The many ways of testing Smart Contracts in Ethereum

You have implemented a smart contract for Ethereum, and now you are wondering how you can test it under real-life conditions, but without spending money in case there’s a problem? Luckily, there are test networks that can help you with this.

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(De-)Serializing JavaScript Models with Metaprogramming
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Familiarity - friend or foe

Familiarity has two sides. On one, it is quite beneficial, you know the ways, the tools, the pitfalls and it all enables you to work fast. But at the same time, it can make you blind to mistakes you’re doing or violations of processes or good practices.

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The Perversion of Agile Metaphors

Agility is at its core a set of values. Do the typical agile metaphors actually fit the values or do they rather lead to misunderstandings?

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How to add Swift functions as polyfills in JavaScriptCore
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The NUMMI Factory — A Parable About Software Development

Software development is not difficult because of the technical challenges, but because so many people are involved. A story about a car plant shows how other industries deal with these challenges and what they have learned.

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Integrating Logback with JLine

Logback is a popular logging library for Java. JLine can be used to create nice shell-like applications. Combining both is not as hard as it looks.

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No Silver Bullets - Except Continuous Delivery?

How Continuous Delivery Improves Software Development

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Verification of smart contracts

Smart contracts are used to execute code on blockchains. A variety of business cases are now represented with such contracts. Ethereum is a popular platform for this purpose. However, as with all software, the question arises of how to ensure the quality of the code.

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React App from Scratch

This blog post shows how to setup a React App from scratch with express and React Router.

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Prometheus Counters and how to deal with them
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When you have reached Acme

Notes on working with a minimalistic text editor/programming environment.

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Faking Surrogate Cache-Keys for Nginx Plus

Sometimes you also need to use Nginx as caching layer. Purging the cache for a resource and its variants is often a very tedious task. Surrogate Keys of other caching solutions are a better alternative but are not supported by Nginx yet. Alternatively, you can create something as powerful by combining the different dynamic dimensions of a resource to a cache key variable which then is appended to a custom cache key. This way, the * -wildcard purging of Nginx can be used to purge all cache entries related to a certain resource with a couple of map directives.

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Structured Logging with Structured Arguments
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Aeternity Smart Contract Deployment

The Forgae framework offers developments tools to easily test and deploy Aeternity smart contracts, and start a local environment on the developer’s workstation.

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Aeternity Smart Contract Development

Aeternity is a blockchain implementation which offers the functional language Sophia for smart contract development and a number of native components like oracles, names for addresses and state channels. The Sophia language is a strongly typed language which helps to focus on business logic during the implementation of a smart contract.

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Remote Mob Programming
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Ethereum Contracts with Truffle Framework

There are many ways of development for new Smart contracts for Ethereum. Truffle Suite is one of them. It gives the developer the power to focus more on business logic than on operations.