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REST REST is a software architectural style that defines a set of constraints to be used for creating web services. Most explanations of REST give too many details, such as the architectural constraints. To get a glimpse how REST works, this is not necessary. In this article I try to focus … Read More »

Krankenkasse This article is about German health insurances. It reflects a bit of my decision process for a health insurance and is most useful for people within Germany. When I had to choose health insurance at the age of 24 or so, I was still at university. I had a look … Read More »

Crispy Thuna and Tofu Crispy Tofu and Thuna is the first way to prepare Tofu that I liked. It's a sweet indonesian dish which is best served with rice. Crispy Tofu and Thuna Ingredients For 4 people, you need Thuna Tofu 2 Onions 3 spring onions Ketchup (or Chili-Mango Sauce - I like that better … Read More »

Schlagsahne vs Saure Sahne This is a German post about cooking, explaining the difference between whipped cream (Schlagsahne) and sour cream (Saure Sahne). Cooking. Not Computer Science / ML / hiking 🙂 Saure Sahne oder Schlagsahne - das frage ich mich jedes mal, wenn ich Rezepte auf Chefkoch nachschlage. Ich glaube im großen und ganzen kann man sagen … Read More »

Siamese Networks Siamese Networks are feature extractors trained to learn an embedding in \(\mathbb{R}^n\) where not the absolute output is important, but the relative one. Schema of a Siamese Network $m_1$. The original paper1 was about signature verification. You have one original signature and one that might be the … Read More »

Simple Operations I just wondered how fast some simple operations are (in Python). Like the lookup of an element in a dictionary. Here you have some, tested on my ThinkPad T460p (i7-6700HQ). Arithmethic I added/subtracted/multiplied/divided a thousand pairs of numbers to test the speed of basic arithmetic operations. I … Read More »

Digital Process Automation Many people work a significant amount of their time in front of a computer today. And for many there are repetitive tasks. If the task is shared by many people, this is a chance to develop dedicated software for it. Tabular calculations (excel), writing documents (word), communicating (e-mail / chat software … Read More »

Python Puzzle 4 What is the output of def foo(bar=None, **kwargs): print('\tbar={}'.format(bar)) print('\tkwargs={}'.format(kwargs)) print('Test 1:') foo(bar=12, holla=13) print('Test 2:') foo(holla=13, bar=12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output: Test 1: bar=12 kwargs={'holla': 13} Test 2: bar=12 kwargs={'holla' … Read More »

Monitors I'm thinking about getting a new monitor, because my Acer AL1916W has a maximum resolution of 1440 × 900 whereas my notebook has 2560 × 1440 (check yours). This means when I connect the two, windows I drag to my external monitor are always super big. Attributes Screen size: How far away … Read More »

Code Optimization Code optimization is about making programs run faster. In this article, I'll give some basic ideas how to do it. This article is NOT about optimization problems. It is also not about compression. Neither is it about churn rates (making users / companies happy). There is a ton of different ways … Read More »