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Holger's Blog

Ich liebe es zu bouldern und zu radeln. DE/EN

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Aug 6, 2018 ∞

Spaghetti wirings no-one knew about

Over the course of the weekend we tried to install a new door bell for our house. The old system is really old, falls apart and works only some days. So we bought something from a respectable German engineering company named Gira. They make high quality products and we had prior experiences with their parts. We also happen to really like their clean design language. The reviews online spoke about easiness of installation, “connect just a few wires”, nothing can go wrong there.

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Aug 3, 2018 ∞

Let's practice together

Where I sit writing this email, today is Friday. So tomorrow the weekend starts. Do you already have plans for the weekend? Perhaps we’ll go to the lake, because it’s scorching hot in Europe these days. But I will also continue with my “Automation project: Factory 0.1”.

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Aug 2, 2018 ∞

The bullshit web and our responsibility

My home computer in 1998 had a 56K modem connected to our telephone line; we were allowed a maximum of thirty minutes of computer usage a day, because my parents — quite reasonably — did not want to have their telephone shut off for an evening at a time. I remember webpages loading slowly: ten to twenty seconds for a basic news article.

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Aug 1, 2018 ∞

When do you know enough?

“When did you reach the point where you didn’t need to read another research report, didn’t need to absorb another scouting analysis, didn’t need to stop by the bookstore… because it simply wasn’t useful or efficient to learn another thing about your field?”

This question was posed by Seth Godin. Seth is big in marketing and entrepreneurship. Perhaps you already know him.

This question is a deep one.

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Jul 31, 2018 ∞

Professionalism

This morning I was visiting the hospital with my pregnant wife. She’s in the 39th week and over the course of the weekend we had some concerns regarding the health of the baby. So we went to the hospital to have everything checked. They made a CTG for the heart and vital signs of the baby.

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Jul 30, 2018 ∞

The 4-day workweek

In this enlightening article from the New York Times, Charlotte Graham-McLay reports about a company from New Zealand that tried something out. They switched all their employees to work only 32 hours per week instead of the regular 40 hours. All of them still received the same salary for 40 hours though. What they found was that their productivity increased and the employees got the same amount or work done. Sometimes even more. To reach this level of productivity, they reduced meeting times, didn’t leave early or took longer breaks.

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Jul 27, 2018 ∞

Sorry to say, but you’ve been hacked

Please excuse this email’s subject line. Did you receive an email like that before? As I wrote a few days ago, I did.

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Jul 26, 2018 ∞

Things happen for a reason

I am currently reading a very interesting book: “Principles” by Ray Dalio It was recommended to me by several sources, most notably by Sebastian Marshall. Sebastian focuses a lot on personal improvement in his work. I value his ideas and ideas very much. So it made sense to me to follow his recommendation to read this book.

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Jul 25, 2018 ∞

Test driven development

Test-driven-development. There’s no other way to do this.

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Jul 24, 2018 ∞

Software development on construction sites

A few days ago, a friend told me about the construction site that is located right outside the window of his living room. He was, understandably, complaining about the construction workers starting their shifts at seven in the morning. They make all kinds of noises and it’s costing him his nerves.

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