Timo Denk's Blog

Let the Haskell function slice be defined as slice :: Int -> Int -> [a] -> [a] slice from len xs = take len (drop from xs) It takes two integral values, marking the beginning and the length of a sub-list, which is sliced out of the third parameter (a lis…

I have recently acquired a digital piano.

This is a brief update about a project I have been working on lately.

Corsairs3D is a riveting single player game that puts you into a pirate’s shoes.

This guide walks you through setting up PyCharm Professional and Docker, with the goal of developing TensorFlow applications in PyCharm, while executing the code inside of an encapsulated container.

The LaTeX package tikz contains a set of commands that can render vector based graphs and plots.

In late 2017, small groups of our class were given the task to delve into the assembly language and write a program for the 8051 microcontroller, as part of the Low-Level Programming lecture.

This post functions as a quick development update on the Math to Image Conversion Bot (on Telegram), the TeX math to image conversion tool (at tools.timodenk.com), and the API that serves them both.

The ShiftRegister PWM Library enables usage of shift register pins as pulse-width modulated (PWM) pins.

The paper Learning in an Uncertain World: Representing Ambiguity Through Multiple Hypotheses was published by Christian Rupprecht et al. in late 2016.

The digit span test is a way of measuring the storage capacity of a person’s working memory: A testperson is visually or auditorily exposed to a sequence of digits one after the other.

how-old.net is a project from Microsoft that guesses the age of people on a photo based on their faces.

In the field of computer science, a graph is an abstract data type that is widely used to represent connections and relationships.

The least squares optimization problem searches for a vector, that minimizes the euclidean norm in the following statement as much as possible: $$x_\text{opt}=\arg\min_x\frac{1}{2}\left\lVert Ax-y\right\rVert^2_2,.

The Vodafone VPA Compact GPS is a Personal Digital Assistant (PDA) with the operating system Windows Phone.

Cubic spline interpolation is a mathematical method commonly used to construct new points within the boundaries of a set of known points.

According to the U.S.

The International Space Station is orbiting our planet since 1998.

The widely used Arduino IDE offers many easy-to-use functions, one of them is void digitalWrite(uint8_t pin, uint8_t val) .

This post is a tutorial on how to get started on programming your Arduino in Assembly or C/C++.

This post lists several examples of simple and more complex data binding use-cases in SAP’s web technology SAPUI5.

The 433 MHz wireless module.

This post summarises what I’ve been coding during the last week.

This is a selection of entries from the Wikipedia article Glossary of poker terms. bet The opening bet of a betting round. fold To discard one's hand and forfeit interest in the current pot. walk A walk is a situation where all players fold to the big bli…

Today, 14.

This post explains the technical background of the security camera system, shown in the following movie.

This blog post explains the technical details of my Ambient Light project.

For a given polynomial of $n$th degree $$P_n(x)=\sum_{i=0}^n a_ix^i = a_nx^n+a_{n-1}x^{n-1}+…+a_1x+a_0$$ you can guess rational solutions $x$ for the corresponding problem $P_n(x)=0$ by applying the following two rules: $$x=\frac{p}{q}\text{, with } p \in…

Since I had a lot of trouble installing the npm package serialport on my Raspberry Pi B Rev 1 (and Rev 3), I want to share how it eventually worked.

When I was about 6 years old, my dad explained to me that there was no possibility to shoot something right into orbit from the Earth’s surface.

Since the publisher Europa uploads new Die drei ???

Arduino powered version of the game Buzz Wire with a TFT touch screen.

This is the second (and final) part of a quick reference for the programming language ABAP.

This is the first of two posts, providing a quick reference for ABAP developers.

This formulary has been created during the online onboarding process at Baden-Wuerttemberg Cooperative State University (DHBW).

For me the solution for productive Node.js development on Mac, with code execution on a Raspberry Pi was usage of Samba.

Memorize the Elements of the Periodic Table Right on Your Wrist This Android Wear app shows the chemical elements of the periodic table.

Since April 1, 2016 many episodes of the popular German series Die drei ???

On August 24th 2016, I took a guided tour for individuals at the European Organization for Nuclear Research (CERN, Conseil Européen pour la Recherche Nucléaire) headquarters in Geneva, Switzerland.

When a car is in neutral gear it still consumes fuel.

Running one round on an outer lane in a stadium’s running track takes longer.

This is my first blog post and I’ll use it to explain the purpose of this blog.