It's World Cup season, and it keeps delivering: dubious referee decisions, fans marching the streets celebrating and sometimes disrupting opposing teams' sleep and, of course, underdogs standing their ground against the great football nations' teams. The Norwegian team beat the exquisite Brazilian team, Cape Verde's selection put up a tremendous fight against the world champion Argentina, and, of course, the Nationalmannschaft lost the penalty shootout against the team from Paraguay.

A year ago, I decided to learn Spanish more seriously. I use Rosetta Stone to learn grammar and new vocabulary, and Anki to review flashcards.

For the past ten days my journey across China has been an amazing experience. The country is vast, yet its infrastructure is fantastic[^1], making it surprisingly convenient to explore.

I recently went down the rabbit hole of improving video conferencing quality. I found that replacing wireless equipment with wired equipment was both cost-efficient and effective in improving remote video conferencing quality.

A coding problem about finding the 'most central' element in an array, which can be elegantly simplified by applying some maths.

I discuss two different approaches to transferring data from Firestore to BigQuery.

I own a Synology DS223j NAS and went on great lengths to figure out the ideal way of backing up my data on Google Cloud Storage.

I read 'The Passionate Programmer' by Chad Fowler, which made me think about teamwork.

After half a decade of loading structured data from CSVs, I share my thoughts on data formats and their implications for data practitioners.

Patterns I notice in in practice when transferring and loading tabular data.

Thoughts on performance under pressure.

On the benefits of using the right tool for the right job.

It feels really good to use Zeal and Dash to read developer documentation.

A rough guide to setting up a backup routine on a machine running Fedora 34.

With early vaccination data from the Robert Koch Institute, I run a linear regression to get an estimate to predict when the Germans will reach herd immunity.

Mutable data structures are tricky to work with, which is a tripping wire when updating state in a React app.

Some wisdom I learned from a friend about slow programming languages.

A summary of the work I did in my Master's thesis.

Fundamental thoughts on how to get started with backups on Linux.

I've written a bunch of Python code that needs to run faster. Here is what I learned, easily digestible in a guide.

Some thoughts on how scientists can test their code.

A few ideas on how to get started with programming without having studied CS.

In 2019 habe ich an allen Berliner Universitäten Kurse belegt. Ich erzähle von meiner Erfahrung.

Im St. Oberholz am Rosenthaler Platz habe ich Ansgar Oberholz kennengelernt und von ihm übers Gründen gelernt.

Ich verbringe etwas mehr Zeit mit meinem Smartphone, als mir lieb ist. Und zeige, was ich angestellt habe, um weniger Zeit mit meinem Smartphone zu verbringen.

Ein Vergleich von Berliner Leihfarradanbietern.

Ein Erfahrungsbericht, wie ich im Winter in Berlin Fahrrad fahre.

Überlegungen zum Leben in einem Land mit der ältesten Bevölkerung weltweit.