IT Sky Consulting GmbH
A practical problem that I have is to sort my digital photos. Some of them have been taken with analog cameras and they have been scanned. Some of them have been scanned several times, using different resolution, different providers or different technologies. So one issue that occurs is having two directories which contain more or …
„Comparing Images“ weiterlesen
Bicycles have potentially very accurate speedometers. They measure distances to an accuracy of usually ten meters and they do this by counting the rotations of the front wheel. Now we can go into physics and see if the front wheel slips significantly, but I would not expect that to be relevant. What is a bit …
„Ketchup or Milestone“ weiterlesen
When we create new objects, we are basically confronted with the need to provide at least one construction pattern. Of course depending on the language we have more or less three ways to go that are commonly available. Traditionally in OO it was mandatory to write setters and getters. In C++ or Java they really …
„Object Creation: Builder vs. Constructor vs. Setter“ weiterlesen
In the Java sphere we often develop the same data class several times. Each layer has its own variant and they are named almost the same, with some prefix or suffix or just the package name to distinguish. The set of attributes is the same (or almost the same), they have setters and getters. Or …
A lot of IT guys have to work at home (in German, but not in English it is called „Homeoffice“) now or are at least encouraged to do so. Btw. „home schooling“ is a different abstract concept, it not only replaces the school building by the home, but also the teachers by the parents, often …
I like visiting ScalaUA conference in Kiev every year in March or April. I did so in 2017, 2018 and 2019. So for 2020 it was kind of difficult to perform a regular conference. So there are two options, either it could have been cancelled or it could have been postponed. That is what all …
Apple has reinvented itself radically many times and done so when things were still going well. This is part of the companies success story. And the CEO Tim Cook apparently plans to continue with this strategy. Major reinventions where: Moving from the Apple II to Macintosh Dropping System 9 and replacing it by the totally …
„Apple giving up on information technology“ weiterlesen
The original Skillsmatter company has gone into administration and will be closed down, once all claims have been settled. Now investors have bought assets of this old company, apparently including the name and the brand, and are now operating und the same name and webdomain skillmatter.com. This is a new company with new management and …
„Skillsmatter working again“ weiterlesen
This article is highly inspired by the blog post We need tool support for keyset pagination. Please consider reading the original first and then my interpretation and additional thoughts about this idea. We have a typical database base backed web application. It can be a rich client. It can be a NoSQL database. Whatever, but …
„Pagination of Database Query Results“ weiterlesen
Even though we do have IDEs with quite powerful refactoring mechanisms for many languages, it is still sometimes useful, to have another automated editing mechanism. Why would that be the case? Some examples: In some cases there was an SQL script to create the database tables, which had been written first. From that classes and …
„Perl Scripts for editing“ weiterlesen