This Problem with PySide, Py2App and Brew drove me Nuts

23.05.2017 by Jens in python | pyside

I build several desktop applications using PySide. It works like a charm on Windows. However, I found a nasty bug in the Mac version which I could not reproduce on my local machine. This one drove me nuts. It was hard to analyze, I own just one Mac and do not have access to another machine. Luckily, with the help of some very long googling (guessing symptoms) and the help of a user of one of my applications, I could fix the issue. As a reminder for myself and help for you, I document it.


Do you learn with video courses?

10.05.2017 by Jens in Developers Life | Learning

While researching alternatives to publishing books for programming related topics, I noticed that video courses get more and more common as the medium. I started wondering if works for coding related topics.


Spring Boot Info Actuator Tutorial

10.05.2017 by Jens in Spring Boot

The Spring Boot Actuators are a big helper and time saver when you bring your application into production. They expose different types of information, like health, metrics, dump, info, etc. out of the box and you can even expose your informations via well-defined interfaces.


Handling Java 8 Dates and Time with Jackson (JSR-310)

04.05.2017 by Jens in Spring Boot | Spring MVC

When you are starting a new Spring Boot application today, you will probably want to use Java 8. However, it still can be tricky with certain frameworks when using new features like the Date and Time API (known as JSR-310).


Spring MVC: XML Responses in your Rest API

24.04.2017 by Jens in Spring Boot | Spring MVC

Sometimes you still need to return XML in your Rest API for various reasons. When you build your API with Spring Boot and Spring MVC, it is a simple, easy task.


Ultimate Resources for Freelance Developers

20.04.2017 by Jens in Developers Life | Learning | resource tip

It all started a few years ago that I felt stuck in my career as a software developer. For years I've been following the typical way of learning and dabbling with new technologies, mainly in my spare time or on occasion on the day job. Tech was fun, and I always love learning new things. However, when I felt stuck I realized that my previous ways did bring me so far, but they do not take me any further. It doesn't matter if you're an employee, freelancer or owning a small agency. At some point, there's a glass ceiling for money and the kind of work you do.

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Game Development Resources - Part 4: 2d Content

08.03.2017 by Jens in game development | resource tip

I haven't done any game development for a long time. However, I still stumble regularly upon great resources for game graphics; free and paid. So, I decided to curate a collection here on my blog.


Integrate Your Own License Generator With Paddle

15.12.2016 by Jens in python

Paddle is a payment processor for selling things online and specially targeting software developer and their needs. They even support trial version and license activating through their SDK. Unfortunately, last year as I started to use them for my eBook Writing Software Moopato the Windows SDK was dotnet only and not suitable for a python application (They now offer a non dotnet version too). But there was another solution I am going to show you now.


Curated List of Markdown Editors

31.08.2016 by Jens in python | resource tip | Developers Life

Last Update August 2016


Do you still buy programming books?

31.08.2016 by Jens in Developers Life | Learning

Recently I was browsing on Amazon in the Kindle Short Reads section for Computer Books, and I stumbled on a set of Python Books for Beginners. I checked them out and noticed they all got a good Amazon Bestseller Rank, meaning they were actual bought; much more than many other programming books on Amazon.