IT Sky Consulting GmbH
Some may have noticed, some not, but the landline telephony is actually being shut down in the next few years, if it has not happened already. This is done in Germany and in Switzerland and I assume other countries will follow or even do it earlier. In some countries and in some age groups the …
„VoIP and Landline Telephony“ weiterlesen
I was lucky to get a chance to visit Devoxx in Antwerp the sixth time in a row. As always there were interesting talks to listen to. Some issues that were visible across different talks: Java 9 is now out and Java 8 will soon go into the first steps of deprecation. The step of …
Most of us know ticket vending machines that are used for public transport. While people who often buy a similar ticket usually have no trouble using them, it can become quite hard for functions that we rarely use or for people who only rarely use the ticket vending machines. Why is it so hard to …
„Usability of Ticket Vending Machines“ weiterlesen
The WPA2 protocol has been compromised. The so called KRACK attack allows reading encrypted content. It was always a good idea to use encrypted communication on top of WPA2 for sensitive data, like https, ssh or a VPN. This practice has been recommended in this blog before, which was again inspired by what Bruce Schneier …
„WPA2 compromised“ weiterlesen
It seems that Microsoft is ending the development of Windows Mobile. After having tried with some effort to get into the mobile operating system business, it seems that the market share is now less than 1%, with Android being >85% and iOS close to 15% according to IDC. Because the market is so large, it …
„Microsoft stops Windows Mobile“ weiterlesen
The large zoo of NoSQL databases needs to be considered thoroughly. While the major transactional SQL databases (Oracle, PostgreSQL, MS-SQL-Server, DB2 and to a limited extent MariaDB/MySQL) can be used more or less interchangeably, if we are talking about the beginning of the project, the NoSQL databases have totally different features and must be chosen …
We have now two Perls. Perl 5, which has been around for more than 20 years just as the „Perl programming language“ and Perl 6, which has been developed for more than a decade and of which now stable versions exist. The fact, that they are both called „Perl“ is a bit misleading. They are …
„Perl 5 and Perl 6“ weiterlesen
Referring to the Swiss Perl Workshop, it is now time to collect all the conference talks that I have given so far and that have been uploaded as video. Lightning Talk: Why Computer calculate wrong (done with Scala; ScalaX 2015) Why computer calculate wrong (done with Perl and Perl 6; Alpine Perl Workshop 2016) Lightning …
„Conference Talks“ weiterlesen
I have attended the Swiss Perl Workshop. We were a group of about 40 people, one track and some very interesting talks, including by Damian Conway. I gave a regular talk and a lightning talk myself. The content of my talk might go into another Blog post in the future. The Perl programming language is …
„Swiss Perl Workshop 2017“ weiterlesen
The Swisscom-App iO will be discontinued on 2017-08-31. So from then on the service will no longer be available. A bit more than four years after launching the app, it is now terminated. The goal was to replace a significant part of the conventional telephony by iO and to become a relevant player in the …
„End of Swisscom iO“ weiterlesen