Markus Dosch

Wir waren ein paar Tage mit unseren Kindern (~5 und ~2) im Disneyland Paris.

My Node.js app accepted an 8 MB image upload just fine locally, but the same upload failed with a 413 Content Too Large HTTP error on my Dokku-hosted instance.

Alfred has a built-in feature to trigger system actions like shutdown, restart or lock directly from its search bar.

In vielen Städten, z.B. in München, werden Balkonkraftwerke ziemlich gut gefördert (mit bis zu 320€ bzw. 50% der Kaufsumme.

Imagine you are driving a car.

General advice: You can access a list of all keyboard shortcuts via the “Preferences: Open Keyboard Shortcuts” menu (shortcut: ⌘+K, ⌘+S.

When I am coding, I use the terminal a lot.

JSON gets used for a lot of different use cases.

jq is an awesome command line tool for working with JSON.

For that, we can use du, a command line tool to display disk usage statistics. du comes pre-installed on all Linux & macOS machines. 1 2 3 4 5 6 7 8 # Show the disk usage for every file in the current directory, incl. the directory itself in the last lin…

Currently, we use a Huawei LTE router at home.

Choosing tasks Avoid Working Alone by Dan Moore I suggest that the first job you take be the one with the highest learning potential, not the highest earning potential. 10x more selective by Yossi Kreinin People often assume that 10x more productivity res…

A couple of days ago, I decided to add a search feature to this blog.

Sometimes, you need to generate a random n-character long string.

I am a big fan of the Caddy web server and use it for my private projects, as well as when teaching web development practices.

Tailwind CSS is a relatively new free open source CSS framework, that takes a different approach than most established frameworks like Bootstrap and Bulma.

Allgemein Zu viele Versicherungen sind unnötig - hier die Versicherungen, die nach meiner bisherigen Recherche am sinnvollsten sind, sortiert nach Wichtigkeit (Achtung, subjektiv!)

Start screen recording with Shift + Command + 5.

With the Windows Subsystem for Linux (WSL & WSL2), Microsoft has brought a full Linux environment to Windows.

Docker (Engine) Follow the installation steps for Ubuntu (not the ones for Windows or WSL2!)

Sometimes, I want to export my Slack messages to Markdown after I have sent it (Markdown is easier to archive - e.g.

The error when starting a VirtualBox VM on macOS Monterey (12.1): 1 2 3 4 5 Kernel driver not installed (rc=-1908) Make sure the kernel module has been loaded successfully.

Atomic Habits One of the most imporant things you can do to become more productive is to form habits that you stick to consistently.

Ein paar Notizen aus dem Leben mit Baby (aus Papa-Sicht).

Programming languages that are used for web development have changed significantly over the latest years.

JupyterLab is a great way to interactively play around with Python, e.g. when doing data science, i.e. examining a data set.

1 csplit --quiet --elide-empty-files restore-mail-dump.txt '<REGEX_PATTERN>' '{*}' <REGEX_PATTERN> can e.g. be /^From:/ (e.g. when having a text file that consists of multiple emails). {*} stands for “Repeat this split forever (in constrast to e.g. just…

macOS Alfred (Spotlight alternative.

Name Type Cover Photo Review Dealer Review Date Rating Japan Sencha Fukujyu Green The first green tea that "clicked" for me.

When you execute dpkg (the Debian Package Manager) with the --status flag (alternative: -s) & a package name, it outputs information about the package ⇒ it will tell you whether a package is installed or not.

Windows has an autostart folder per user - every file that is in this folder will be started when the user logs in.

Operating systems like Linux, Windows, and macOS have a hosts file.

TLDR: Activate the Windows feature “Create symbolic links”, then symlinks within Vagrant/VirtualBox shared folders will work.

Server-side 1 ssh-keygen -l -E sha256 -f /etc/ssh/ssh_host_ecdsa_key.pub Client-side 1 ssh -o FingerprintHash=sha256 <SERVER> Note: If your server does not use the default SSH port 22, you can add the parameter --port <PORT> before the <SERVER> part.

When giving talks, I often want to show some small code samples on my slides.

Let’s Build A Web Server by Ruslan Spivak is simply the best deep dive introduction on web server fundamentals I have ever read.

With some command line tools written in Go (like scc, a tool for counting a project’s lines of code), you’ll see install instructions like this: 1 go get -u github.com/boyter/scc/ But where is this package installed, how do you actually execute the comm…

A nice compilation of modern CLI tools I just found when browsing through HackerNews: https://github.com/ibraheemdev/modern-unix These tools are mostly replacements for “classic” CLI programs, with a stronger focus on UX (= “modern”).

Different approaches for implementing a file system: https://gcallah.github.io/OperatingSystems/FileImplementation.html The way Linux does it: Inodes, default implementation nowadays: ext4 (Blog post) How to find a file’s Inode in Linux ls -li: -i flag re…

This is one of the things that is always very annoying when setting up a new computer & one of the things I always forget how to do.

Although I really like (subtle) animations on web pages, I never took the time to learn the fundamentals around CSS transitions.

After you have uploaded your SSH public key to websites like GitHub, they won’t show the complete key anymore - but instead show the key’s fingerprint.

Parcel is my go-to asset bundler for small frontend projects consisting of mostly vanilla JS.

Wagtail is a very interesting Content Management system based on Django, with probably much less cruft compared to systems like Typo3, and maybe Wordpress.

You want to learn web development?

cat *.csv | sort --numeric-sort --key=2 --field-separator=, > total-sorted.csv You need to remove the redundant header lines manually afterwards.

In this document, I present my favorite best practices & resources on improving one’s coding skills.

mysqldump --single-transaction --set-gtid-purged=OFF <DATABASE> <TABLE> > <FILENAME>

Just like there is a Tour of Go (an interactive online in-browser tutorial to learn the most important Go conecpts), there now is a Tour of Rust!

Solution: Use the entr program.