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Ich bin selbständiger IT Berater und Unternehmer in der Internet und Software Branche. Ich beschäftige mich mit Design, Enterprise Applikationen, Web Apps und SaaS Produkten. Ich entwerfe und entwickle Business Lösungen und Anwendungen. Ich helfe Unternehmen in Sachen Software Qualität und Wissenstransfer, z.B. mit Angular und Spring Boot.

Artur Śmiarowski’s Guidelines for Writing Readable Code

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Code means communication has become a bit of a mantra for me. Source code isn't just the means by which you translate requirements into commands and structures a machine can understand. Source code also communicates your intent as a designer and engineer as to what a particular piece of software is supposed to do. If written in a clear and comprehensible manner code can serve as an authoritative design specification with no or little ... Read more

Keep it simple, stupid

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.As something of a follow-up on my article on using boring solutions from two weeks ago I'd like to point you to a blog post by Justin Etheredge, cofounder of software development company Simple Thread: Software Complexity Is Killing Us In this post Justin outlines in which ways software development has become easier in the past few decades and also points out the ways in which it hasn't. Most of the complexity of software applications accumulates ... Read more

Use Boring Solutions

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Often when working with both startups and project teams at larger, more seasoned companies I encounter a variation of the not invented here syndrome. This usually starts with the well-intentioned idea that in order to build the actual product you need ancillary services A, B and C in order for the product to work. However, more often than not instead of building the 'perfect' solution for your product yourself it might be a good idea ... Read more

Paying for Developer Tools

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Recently, a user named amerkhalid wrote this on Hacker News (commenting on a question about the market for developer tools): Agreed. Developers are hard bunch to sell to. We go out of our way to find free tools and almost look down on people who use decent IDEs or other tools. One example, when I finally got legit license for Sublime Text, all of my friends made fun of me for paying for a ... Read more

Front-end / back-end isn’t a useful distinction

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Answering a Hacker News Ask HN titled "Why companies look for “full stack” developers instead of specialists?" I wrote this: Front-end / back-end isn't a particularly useful distinction in my opinion. Differentiating between those 2 is just another way of creating information silos. I'm old enough to have experienced at least 2 full thin-client-fat-client cycles and I'm certain the current one won't be the last (at least it seems to have been a recurring pattern ... Read more

Using Spring JdbcTemplate Instead of Object-Relational Mapping

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Spring JDBC and Spring JdbcTemplate in particular has become my go-to tool for accessing relational databases for quite some time now and for good reason in my opinion: The common way for using data from an RDBMS in an object-oriented context used to be and for the most part still is object-relational mapping (ORM) frameworks like the Java Persistence API (JPA) or Rails' ActiveRecord. As the name suggests these frameworks attempt to map data ... Read more

The Art of the README

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Just recently I was reminded about an obvious and vital but all too often neglected aspect of good quality software: Creating and maintaining a README file to both onboard new developers and to get users started with your software easily. While certainly essential in the context of open source software maintaining a high quality README is also relevant regarding proprietary / company-internal software that's limited to only a select circle of developers and users: ... Read more

What Causes Over-engineering and How Can You Prevent It?

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Last year software engineer Fagner Brack wrote an interesting and thoughtful article on "How To Accept Over-Engineering For What It Really Is" The article is very much worth the read in its entirety. There are a few key takeaways though I derived from it personally: I like the definition of over-engineering (quoted from Jeff Sternal) as "Code that solves problems you don’t have.". Fagner's conclusion is that what constitutes over-engineering depends on both context and the ... Read more

Design Patterns: Event Sourcing and Command and Query Responsibility Segregation (CQRS)

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Event Sourcing and Command and Query Responsibility Segregation (CQRS) are system design patterns that allow you to deal with event streams in a consistent manner. Common line-of-business applications typically are built using the MVC design pattern with the database tables representing the model tier in MVC as the single source of truth for the application state. Event-based systems are different - and inherently more complex - in that their single source of truth is the ... Read more

Interactive Flowcharts with code2flow

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Visualisation often helps immensely when trying to understand complex systems and interactions. Visualising these systems and their behaviour can be a daunting task though: Covering each and every path a workflow or process might take can be quite arduous. In many cases it's not even possible to comprehensively describe a system that has not yet been implemented. Edge cases frequently only tend to surface once a software has been tried out under real conditions. Software ... Read more
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