## Code Reviews

We often read that code reviews are a good idea. Bugs can be found, people are encouraged to keep to team standards, know-how is spread in both directions and code becomes more maintainable. Also it helps sharing responsibility. So basically the time spent for the code reviews is well spent and increases the long term …

## Spline Approximation (Mathematics)

The goal of spline approximation has already been explained in the previous article „Spline Approximation (Introduction)„. This article will cover the mathematics behind this approximation and develop an approach. If you do not care about the mathematics, just skip this article and read the Spline Approximation (Cookbook)“, that will come soon. Spline Interpolation We have …

## Spline Approximation (Introduction)

We sometimes encounter a situation where a number of points with coordinates are given and we want to find a function such that for all of these points we have (interpolation) or (approximation). Most often we say that we want on average to be as small as possible and for whatever reasons usually the quadratic …

Postal addresses seem to be easy: – Name and/or Company – Street and/or PostBox – ZIP Code – Municipality – Country This is true in Germany or Switzerland and a few other countries. I would like to add, that in some large buildings it can be a good idea to add the apartment number, but …

## Happy New Year 2021

Un an nou fericit! — Happy new year! — Срећна нова година! — Frohes neues Jahr! — Onnellista uutta vuotta! — С новым годом! — Gullukkig niuw jaar! — FELIX SIT ANNUS NOVUS — ¡Feliz año nuevo! — Feliĉan novan jaron! — عام سعيد — Щасливого нового року! — Gott nytt år! — Bonne année! …

## Christmas 2020

¡Feliz Navidad! — καλά Χριστούγεννα! — Buon Natale! — З Рiздвом Христовим! — クリスマスおめでとう ; メリークリスマス — Natale hilare! — Merry Christmas! — ميلاد مجيد — Hyvää Joulua! — С Рождеством! — Joyeux Noël! — God Jul! — Feliĉan Kristnaskon! — Crăciun fericit! — God Jul! — Frohe Weihnachten! — Срећан Божић! — Prettige Kerstdagen! …

## Functional Scala

I participated online in the conference „Functional Scala 2020“ in London. That it was in London had mostly one relevance, which was the time zone. There was no physical location and all talks were done online. An interesting idea was a virtual location. It consisted of rooms and we could move a dot representing ourselves …

## How to disable touchpad (on Linux/X11)

For me it is much better to use an external mouse than the touchpad, which I sometimes touch accidentally. So, here is how to disable it with a short Perl-Script. A bash script with a bit of Perl would do the same, btw. #!/usr/bin/perl my \$tp = `xinput list | egrep -i touch`; chomp \$tp; …

## Devoxx UA 2020 (talks)

I watched the conference onlie and picked the following talks: The Effective Developer – Work Smarter, Not Harder by Sven Peters Polyglot, Fault-Tolerant Event-Driven Programming with Kafka, Kubernetes and gRPC by Natan Silnitsky Reacting to an Event-Driven World by Grace Jansen Cause of Death: Hibernate by Thorben Janssen NoSQL Endgame by Otavio Santana, Thodoris Bais, …

## Devoxx UA

Most conferences have been cancelled, since it is difficult to hold a conference these days. The idea to move the conference online has been obviously around, but it was rejected by most organizers, because it it not the same and the all important chance to meet other people is just not the same.  So the …