Welcome!

... to the digital home of Steven Schwenke.

This site is supposed to be a showcase for my thoughts about software engineering, less a personal homepage. If you want to know more about me, invite me to a beer.

 

lessons learned + News in late 2019

12 Jan 2020
Posted by Steven

Because of unforeseen "events in life", this monthly lessons-learned article is several months late. Due to the circumstances, I did not work nearly as much in the last months as I would have normally. This is why despite the long timespan, this article contains relatively few items. So, this is what I learned in late 2019:

poll.digitalcourage.de

04 Jan 2020
Posted by Steven

There are several tools to solve the "Let's schedule an event" and "Let's find a common result via a poll" - problems. The most famous is doodle.com. However, most of these tools gather data. How this data is used can not be influenced by or even known to the user. Remember: If you're not paying for it, you become the product.

Reloading images in Angular-Templates (img)

01 Jan 2020
Posted by Steven

Working on IT Hub, I recently had to find a way to reload images in this Angular Single Page Application. The new functionality I added allows an administrator to upload one image for each community group, so that each group has a logo. These images are displayed via a simple img tag in the HTML template:

Multiple "waiting for changelog lock" = Liquibase locked your database

26 Dec 2019
Posted by Steven

Some time ago, an application of mine that is deployed in the Pivotal Cloudfoundry began throwing errors and crashed:

Spring Test Slices

22 Dec 2019
Posted by Steven

In this article, I want to share what I learned about testing a Spring application without loading it completely. This can be done by using @DataJpaTest, @WebMvcTest, @SpringBootTest, @AutoConfigureMockMvc and @DataJpaTest. These annotations are part of "test slices" of Spring which allow to test certain beans of the application without loading other beans.

Using innerHTML in Angular to format strings

13 Oct 2019
Posted by Steven

In preparation for the upcoming IT Hub Brunswick Barcamp, I updated the conference page with ideas for talks and speakers. To display the speakers, we are using the PrimeNG Carousel. This component displays content using slide effects. For this component to work, the content has to be defined in the controller, not the HTML template.

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