Latest Posts

• Where are the batteries?

  We are entering the age of megawatt-scale batteries. I wondered how far we have come in Germany, so I created this map showing the latest projects.

• Shopify's API via GraphQL in Python

  GraphQL is a query language for APIs. It allows to define the structure of the requested data, which makes it possible to avoid returning overly large amounts of data.

• JSON and pandas DataFrame

  JSON (JavaScript Object Notion) is a handy and human-readable file format to exchange data over the internet. pandas DataFrames are the way to handle tabular data in Python. So the natural question is how to convert between the two formats.

• LaTex in Jekyll

  MathJax allows you to include mathematics in your web pages, e.g. by using LaTeX. The formulae will be processed using JavaScript to produce HTML, SVG, or MathML equations for viewing in any modern browser.

• Teaching computers to see

  Applying a computer vision algorithm to some iconic and some not so iconic images.