Getting Started with Emacs Lisp: Core Concepts Explained

Getting Started with Emacs Lisp: Core Concepts Explained Emacs Lisp (often abbreviated as Elisp) is the programming language that powers the extensibility of the Emacs text editor. It’s a dialect of Lisp that has been adapted specifically for text editing tasks. While it might look unusual at first glance, understanding a few key concepts opens up a world of possibilities for customizing your Emacs experience. In this article, we’ll explore some of the fundamental concepts in Emacs Lisp that often confuse newcomers....

March 29, 2025 · 6 min · Manuel Herrmann

The Essential Emacs Hotkeys Every User Should Know

For over four decades, Emacs has stood as a pillar in the text editing world, beloved by programmers, writers, and power users alike. What makes Emacs particularly powerful is its extensive keyboard shortcut system that allows users to perform complex operations without ever touching the mouse. Emacs comes with an excellent built-in tutorial that can be accessed with C-h t (Control-h followed by t). I highly recommend all new users complete this tutorial to get comfortable with Emacs’ fundamentals....

March 28, 2025 · 6 min · Manuel Herrmann

The Rust Programming Language and the Advent of Code 2018

I recently got reminded about AdventOfCode2018. Be sure to check it out before end of december. Till now i did the challenges in rust, perl, bash - no specific language - just depending on the time i have. If you have plenty of time, the challenges from the last years are still available. Additionally i was looking a little into the programming language rust. ...

December 7, 2018 · 3 min · Manuel Herrmann

Hand written letters from 1941 and neural networks

As another side project i am currently trying to convert a letter into computer readable text just from a scanned image. ...

May 20, 2017 · 2 min · Manuel Herrmann

The official Harpoon page went online

The official Harpoon website is now online and available at https://harpoon.0x17.de/. ...

January 16, 2017 · 1 min · Manuel Herrmann

Harpoon: Current State

Harpoon is a flexible chat client for common protocols - written in C++ - and will stay online when you aren’t. You will get push notifications for private messages when you are on the run. Here are some screenshots of the current state: ...

October 17, 2016 · 1 min · Manuel Herrmann