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Could not find the VirtualBox Guest Additions disk image file [SOLVED :)]
… and then the download fails. You’ve experienced this problem with VirtualBox or are stuck just at the very moment you’re reading this post here? Here’s the solution: https://www.virtualbox.org/wiki/Testbuilds Click on the link above! At the bottom of the page you’ll find this: Both tables offer a download link for the image file of the…
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A few words ‘n thoughts on the weirdest calculator I’ve ever held in my hand, the notorious HP 38G
Hewlett-Packard manufactured this crazy pocket calculator (not really one for the pocket, to be honest) between 1995 and 2000 at a relatively low price of about 80 US dollars. It broke with tradition in so far as it had no RPN logic. But that’s not what makes this device peculiar, I consider its overall design…
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Tutorial for Multiple Sequence Alignments
Foreword: I publish this tutorial on behalf of a dear guest author! I’m not familiar with the subject of this article but if you have any questions, post them as a comment below and I’ll do my best to clarify things in collaboration with the author. So, we hope that this is helpful to others,…
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Test only, construction site :)
Just a small number of pictures taken in 2022, Germany. Hope you like ’em! One hint: this gallery shows only a preview which doesn’t contain the actual subject of each picture! If unsure, click on the pic and you’ll see it completely! (This is really the biggest disadvantage of this gallery template, look at pic…
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Kdenlive: Crash on Startup, UPDATED ARTICLE offering a solution! (English|German)
English What? No open bugs? Seriously? It’s been some time now that there is a problem with Kdenlive on Linux systems: It simply crashes immediately. After some research I found out that the latest nightly build runs on my computer. It’s an appimage, not the real thing, but at least it runs! That’s the link…
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Der Unterschied zwischen einer Managed-WordPress-Site und einer bei WordPress.com
Wer mein Blog verfolgt hat, konnte lesen, wie sich seit Jahresbeginn 2022 die Erreichbarkeit von kolloquia.de verschlechtert hat: Es gab immer wieder Ausfälle und mitunter lange Ladezeiten. Interessant war hierbei die Beobachtung, daß die Site aus bestimmten Netzen heraus (gemeint sind unterschiedliche Internet-Access Provider wie Telefonica im Mobilnetz oder 1&1 als DSL-Provider oder auch das…
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Migration [updated!]
Started migrating from a f…g Managed thing to this site here. Hopefully this will be a success after months of problems. So, now what? kolloquia.de was a so-called Managed WordPress site. It now shall become a full WordPress site on wordpress.com. The first step has been done, all contents has been transferred to the new…
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The HiDPI Disaster (updated!)
It all begins with 4K monitors HiDPI (4K or higher) monitors, standalone or part of a laptop, are fun to use but this fun is corrupted often either on the application level or even the system level, e.g., Java as the one instance being responsible for the execution of Java applications and thus being an…
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A New Issue With ZKN3, v3.2022.8?
This evening I have experienced the second case of ZKN3’s Preferences/Fonts and Colours dialog not functioning anymore. The first occurence took place on a Linux notebook: I could change the font settings as much as I wanted but no change in appearance could be seen. Nothing of the settings was transferred, neither font, fontsize nor…
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