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Blog

How Browsers Load and Process JavaScript

This is a rundown of how browsers process JavaScript references within HTML.

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?

Simplicity - Fighting Complexity At All Costs

FP vs. OO

I recently came across a tweet stating that there were no people who “defend OO vs. FP” that actually used FP in real projects. This is not the first time I came across statements like this (like in a blog posts portraying functional programmers as being higher on the “evolutionary ladder” than object-oriented programmers). Another claim I hear again and again is that “only Functional Programming can solve the problems of the modern age (like multi-core computing)”. I disagree with both claims.

Progressive Web Components

This is a write-up of the “Progressive Web Components” presentation at GOTO Berlin.

Self-contained Systems: A Different Approach to Microservices

Command Line Tools in Swift: Words

Let’s write a simple command line utility in Swift.

The perils of shared code

In this blog article, I want to examine why using a sharing code between microservices may sound attractive in the first place and why it can cause bigger problems than the ones you try to solve.

What’s in a Name: Architecture

ROCA vs. SPA

Currently, a lot of companies are migrating from Desktop applications (mostly written in Java) to Web applications for their products as well as for their internal tooling. When they start with this process they often ask themselves: Which technologies should we use to build our Web application? Should we use Angular.js or React? Or should we go with recommendations like ROCA instead of a Single Page Application?

Error Handling in Go

Two commonly perceived problems of the programming language Go are that handling errors is verbose and repetitive parametric polymorphism is not available This post is about the intersection of those problems and Rob Pike’s recommendation on the former.

Solving the wrong problems

What’s in a Name: Transparency

The term transparent denotes something translucent, where light can shine through. It is, for example, used in context of economics (transparent markets), meaning markets where much is known by many, and nothing is hidden. Sometimes geeks tend to inverse this meaning, saying transparency where they mean opaqueness. This post illustrates that your favorite XY-framework by no means makes XY transparent for developers.

Transclusion in self-contained systems

Frontend integration in the web is a huge topic. This post deals with the aspect of transclusion of other systems' content in the DOM of a web page.

Triple Booting a Mac

Why RESTful communication between microservices can be perfectly fine

Recent debates about REST versus message passing in microservice communication have led to some confusion. What is meant with asynchronous communication in this context and why is REST a perfectly valid choice?

Horizontal automation – a waste of time.

Automation of server administration tasks is a waste of time.

Web Scraping

git pull gotchas

The ever-so-convenient git pull isn’t really all that convenient all that often. This piece explains why not, and what to do instead.

iOS: Writing to Core Data in your Today extension

This blog post gives guidance on how to propagate changes in Core Data made by a Today extension to the host app and handle them properly.

Auto Layout in iOS: How to avoid the common mistake

Play 2.4 with Guice and MyBatis

The Play Framework is getting more popular and Version 2.4 finally includes Dependency Injection as the default mechanism to access central resources instead of singletons. This blog post explores what is necessary to combine MyBatis with Play using its default DI Framework: Guice. Batteries (code sample) included!

What’s in a Name: Consistency

The term consistency has several different meanings. This post identifies and clarifies those - especially consistency as synonym for conceptual integrity, one of the most important features for long-lasting software systems.

Reliable Web Clients

Declarative HTTP API Testing with gabbi

While HTTP APIs are ubiquitous these days, testing and documenting such APIs remains somewhat awkward: Tests usually consist of procedural code that is specific to the respective language or even framework - which is neither very expressive nor easy to maintain.