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cards42 English edition

Finally, cards42 is available in English! The cards42 project supports software developers in your daily work with software architectures. 30 cards provide brief food for thought for stuck situations and help shed new light on difficult challenges. This article provides detailed explanations as well as the background and further information about the cards.

Rich code documentation with Jekyll

Static site generation is a perfect fit for publishing documentation. In a recent project, we chose to use a combination of Jekyll and NGINX to build and host the documentation. In this post, I show how to process and include other types of assets.

Customer-specific documentation with Jekyll

Data Mesh: Decentralized Data Analytics for Software Engineers

The decentralized data architecture approach Data Mesh is designed to enable developers to independently perform cross-domain data analysis.

Querying DNS and LDAP Using JNDI

The Log4Shell vulnerability has also placed JNDI in the spotlight. Although JNDI has been around since 1997, many developers have never heard of it or don’t know exactly what it’s for. To change this, in this article we’ll look at what JNDI is and how we can use it.

TypeScript – Taming the Complexity of JavaScript

INNOQ and Family

Is it possible to successfully combine a family and a consulting career? Here at INNOQ we think so. Three of our employees report on how and why this works well.

Next Please!

Despite modern multicore processors, website code usually runs in only one thread. True parallelism therefore does not exist, but a clever programming model still allows “asynchronous” code that is not processed linearly.

Managing Kubernetes Resources with Kustomize

An introduction to a template-free alternative to Helm

Fairness and Artificial Intelligence

Classical software testing cannot simply be transferred to AI. Model governance and internal audits are required to ensure fairness.

Processing JSON in Java

In contrast to many other programming languages, JDK for Java does not provide an out-of-the-box solution for the reading and writing of data in JavaScript Object Notation (JSON). So we have to find a suitable library for performing this task. In this article we therefore look at a selection of appropriate libraries.

CORS extension “Private Network Access”

Understanding the new preflight requests

Ethics and Artificial Intelligence

Artificial intelligence is forcing its way into many fields of application. Now it is important that it works in a responsible, secure, and transparent way. The regulation of AI systems is a legal, societal, and technical topic that demands broad awareness and that will become increasingly important in the years to come.

Principles of technical documentation

This article collects fundamental requirements for technical documentation, especially software architecture documentation, together with ideas how to satisfy those.

Libraries for command-line applications

Processing arguments and options in Java

Awesome presentations deserve beautiful code

Occasionally we need to put parts of our source code onto slides for presentations. The common presentation programs (such as PowerPoint or Keynote) fail miserably at this task because they interpret code as normal text. Syntax highlighting is lost, as are indentations. It looks lousy, and it’s no fun. This post introduces carbon.now.sh, a quick and free solution, created by the awesome people from @carbon_app.

MLOps and Model Governance

MLOps and model governance are often viewed as separate processes. And yet they rely heavily on one another. In this article we therefore propose the integration of these frameworks and explain the most important principles and technical components of MLOps and ML model governance.

A Comparison of Java HTTP Clients

Many Roads Lead to the Web

Authoring Markdown with Zotero - My Workflow

This post describes an authoring workflow that combines the simplicity of markdown (for writing) with the power of a reference manager (for citing and generation of a bibliography).

What Does a Bundler Actually Do?

Frontend development without JavaScript is rarely possible. Seasoned backend developers are then confronted with a completely new toolchain overflowing with unknown technical terms. But there is method behind the complexity.

Data Mesh to Go: How to Get the Data Product

Using DDD artifacts to get a data product for data mesh

HTTP Feeds

Asynchronous interfaces don’t always require the use of Apache Kafka or RabbitMQ. They can also be designed without middleware just by means of HTTP APIs.

The Way of the Request

The Play Framework is a web application framework for Scala and Java inspired by Ruby on Rails. Although I like the official documentation, I always found it lacking in how requests runs through the framework. This article takes the reader on a journey tracing a request through the framework.

Software quality in the context of value chains and evolution

Mapping of quality attributes on a Wardley Map for a more informed assessment of software systems

Injecting environment variables into static websites using NGINX

Static site generation is a perfect fit for publishing documentation. In a recent project, we chose to use NGINX as a web server to host the HTML and CSS files. However, we also wanted to protect the site using SSO. This is where things get a bit difficult.