IT Sky Consulting GmbH web page in English

The web page of IT Sky Consulting GmbH is now also available English.

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Databases and Immutable Objects

Deutsch A common approach in functional programming and even a good practice in object oriented programming is to prefer having objects immutable. Especially in applications with multithreading this is extremely helpful, but in principal it helps having the information flow under control and avoiding unexpected side effects. I do not want to postulate this as …

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2014

Καλή Χρονια — Feliz ano novo — Gelukkig nieuwjaar — Šťastný nový rok — Boldog új évet — عام سعيد — bun di bun an — Onnellista uutta vuotta — С новым годом — 新年好 — Godt nytt år — Feliĉan novan jaron — Hääd uut aastat — Ath bhliain faoi mhaise — Akemashite omedetô …

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Weihnachten — Christmas — Jul — Navidad 2013

καλά Χριστούγεννα — Feliz Natal — Zalig Kerstfeest! — Veselé Vánoce — Kellemes Karácsonyi Ünnepeket — ميلاد مجيد — Bella Festas daz Nadal! — Hyvää Joulua! — С Рождеством — 圣诞快乐 — God Jul! — Feliĉan Kristnaskon — Häid jõule — Nollaig Shona Dhuit! — クリスマスおめでとう ; メリークリスマス — Срећан Божић — Prettige Kerstdagen — …

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Carry Bit: How does it work?

Deutsch Most of us know from elementary school how to add multi-digit numbers on paper. Usage of the carry bit is the same concept, but not for base 10, not even for base 2, but for base 256 (in the old 8-bit-days), base 65536 (in the almost as old 16-bit-days), base 4294967296 (32 bit) or …

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Scala Exchange 2013

Deutsch I have visited the conference ScalaX 2013 in London on the beginning of December. It was really fun. The talks were quite challenging, maybe even a little bit more than on other conferences I have visited, but that was really fun to listen to. About 400 participants were there and three tracks were available. …

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Devoxx 2013 Part 2

Deutsch Part 1 During the time from 2013-11-13 to 2013-11-15 I have been attending the Devoxx-conference in Antwerp in Belgium. Most of the speeches I have been listening too were just great, like for example: Java 8 and beyond keynote How To Do Kick-Ass Software Development How to organize teams so they can work efficiently? …

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Devoxx 2013 part 1

Deutsch Part 2 2013 I am visiting Devoxx in Antwerp again. It is quite interesting, because they have invited good speakers who know their stuff and are fun to listen to. So I am learning a lot about software architecture, software development, team organization, security and new technologies. It is always good not to know …

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Elixir Programming Language

Deutsch When there is need for high performance, scalability and availability of applications by using the parallelism that current hardware can offer, Erlang is on the table. It uses its own virtual machine, called BEAM. So in this aspect it is quite similar to Java and to most modern interpreted languages. They all use their …

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Virtuellen Speicher überbelegen

So etwas müsste ja offensichtlich nicht gehen, man kann ja nur das belegen, was man hat… Ich schreibe hier mal wieder mit Blick auf die Linux-Speicherverwaltung, die ich am besten kenne, aber die Ideen stammen teilweise von früheren Unix-Systemen. Ein System hat einen physikalischen Speicher (RAM) von einer bestimmten Größe, heute meistens ein paar Gigabyte, …

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