Felix Förtsch

felixfoertsch.de

During my time on the Internet, I encountered many things. This post is a collection of the cool things. I will probably update it once in a while. Since I am living in Germany, some of the tips may not be useful for everyone. In order of coolness.

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This tutorial explains how to install Mailtrain on a Uberspace 7. Mailtrain is a self-hosted open-source (released under the GPL v3.0.) newsletter app built on top of Nodemailer. I am following the manual installation guide from the official Mailtrain repo and add some additional Uberspace infos. I contributed this guide to the Uberlab and earned my first Ubercup.

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This semester I finished my course about automata and languages. I learned a lot and it was really enjoyable. From this field, there was a question about the Pumping Lemma on the computer science subreddit. So naturally, if someone ask about a thing I know about, I'll try to explain it as best as I can — repetition is key for retaining knowledge!

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Libraries are an important part of programming. However, there should be a really good reason, if you decide to use a library. And if you use one, it should be a good one. These are some from my collection:

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Die Rechnung ist eines der wesentlichsten Dokumente des Geschäftsverkehrs. Da sie ein formales Dokument ist, müssen einige Regeln eingehalten werden, damit eine Rechnung gültig ist und der Kunde bezahlen muss. Der Gesetzgeber hat eindeutig festgelegt, welche Angaben enthalten sein müssen (§ 14 UStG):

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I did it! I bought an iPad and an Apple Pencil for christmas last year. I write a lot for my university classes and I didn't like that I often had to cross out things on paper (because I wrote something down wrong) and had to write them again. I was not sure, if an iPad is the right device for me — but turns out it is. It is awesome. If you make a mistake, you erase it and write it again. Wrong sequence of your sentences? Just move them around. The notes come out awesome.

Additionally I learned a few gestures that are really useful:

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This is a text I found on the internet and saved it. If anybody knows the source, please tell me, so I can give credit.

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During the writing of my thesis, I collected some English words you can use two empower your writing style.

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Quinn from Snazzy Labs just posted an interesting video about some macOS utilities. I love small utilities, but I like it even better, when a problem can be solved with system functions. That is the case here. He mentions Helium – an app to use a form of picture in picture mode for websites that don't support the native PIP.

However, there is a better solution! And this solution works on Mac as well as iPad!

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This post is a really short excerpt from a flyer I found a while ago. It lists thing you should consider, if you want to try to start an online business. Think about it as a checklist.

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