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Blog

A Playground for Testing OpenID Connect

This post describes how you can set up a development environment in order to play around with your OpenID client implementation. When running your application in a cluster, it can be difficult to test how it will behave behind a load balancer. One factor that can be particularly difficult to test is when you are communicating with an OAuth 2.0 or OpenID Connect server which expects that a request will be redirected back to the same application instance that it came from.

Native Clojure with GraalVM

The newly-released GraalVM changes the status quo in the realm of JVM-based programming languages. In this instalment we’ll explore its impact on Clojure. We’ll start small, but by the end we’ll compile an entire Ring web application into a self-contained native binary.

Spring-less testing

Secure Kubernetes Cluster

Containers and Kubernetes have greatly simplified the way we bring software into production. Applications can be packaged in container images and run on a Kubernetes cluster with 5000+ nodes. However, it should not be forgotten that, despite being encapsulated in containers, various aspects of safety still have an important role to play.

dprox – Declarative Reverse Proxy

Reverse proxies don’t have to be a pain when it comes to local development.

Taking Screenshots of DOM Elements

Mundane Bash Tips

Various tips and patterns for writing shell scripts.

Have YOU been pwned?

With the V2 release of the “pwned passwords” database came a new feature called range search, which allows to securely check passwords with only minor efforts. Here’s how to use it.

Enforce strong passwords!

It All Looks the Same to Me

In the previous post, pHash helped us to summarize our photo album. Now it’s time to employ BK-trees and efficiently search through the metric space of perceptual hashes. Let’s roll up the sleeves; more Rust awaits!

The language of maths is not the language of your business

Abstractions from category theory can be powerful. But there are reasons why you may want to keep your domain model free of them.

Formatting with first-class types

Stringly-typed APIs under strict supervision.

That looks oddly familiar

Perceptual hashing is an exciting technique for processing media files and finding similar content. In this post, we combine Rust and pHash to find perceptual similarities in our photo library.

Carbon dioxide monitoring with Rust, InfluxDB and Grafana

Carbon dioxide monitoring with Rust, InfluxDB and Grafana.

Media Art Opens Up New Perspectives

INNOQ Digital Art Edition 01

Supporting understanding with simplicity

Why do we even talk about simplicity? Why is it such a hot topic? Why is nobody praising complexity? Why do things like the KISS exist?

What’s in a Name: Evaluate

The term evaluation is often used in the context of system and architecture reviews. In my opinion, this term is often misleading and such activities should be named differently.

Elm in the wild: A Sandwich Delivery Game

ROCA-Compliant Table Sorting

The article presents an easy way to enable table column sorting without JavaScript. In addition to the avoided complexity, the solution is also compliant to ROCA.

Remain resilient, fail fast

Keep your systems resilient to broken connections and unreliable networks. Unless it’s start-up time.

Marrying Rails, Turbolinks and JavaScript Custom Elements

Rendering Self-Contained Custom Elements

This is a response to Paul Kinlan’s post on creating custom elements, explaining how JSX can be used for declarative templating.

Building Component-Based Front Ends with Rails

Our latest Ruby on Rails front-end project strongly emphasizes a component-based approach. In this post, we briefly explain how a tiny helper not only helped us render UI components, but also resulted in better components thanks to well-defined contracts and effortless composition.

How Browsers Load and Process JavaScript

The Power of the HTML Form

The HTML form is a powerful tool for telling a server what you want to do. But does everybody know how it works? With the multifarious JavaScript frameworks currently available today, software developers in the industry today often do not know how to create a web application without JavaScript. Is there an alternative? The web has been around for ages. What did people do before JavaScript?