Latest Blog Posts
SQL SERVER and Docker
If you are – as I am – mainly a .NET developer then SQL SERVER is probably the most used database system on your repertoire. Not so long ago, SQL SERVER was running on Windows-only platforms, but now it runs also on Linux based systems. SQL SERVER is a first class citizen on the cloud, […]
Android 12 (API level 31): Key size must be either 128, 192, or 256 bits.
Android 12 introduced some breaking changes on its security stack. Google is slowly dropping Bauncy Castle java security stack in favor of Conscrypt security java layer. At one of my clients I had some strange situation: on the latest Android 12 (API level 31) testing, some apps stop working and start throwing following exception: Key […]
Xamarin Forms: Open external application
In this blog post, I will show you how to open external application from Xamarin.Forms application. My demo application will try to open locally installed application, otherwise it will open app store web page where app can be downloaded and installed. So, let’s start. First, I create Xamarin Forms application targeting Android and iOS. In […]
C# Source Generators – a very useful new feature of C# compiler
A C# Source Generators, as Microsoft defines it, is “a new C# compiler feature that lets C# developers inspect user code and generate new C# source files that can be added to a compilation. This is done via a new kind of component that we’re calling a Source Generator.” Think of C# Source generator as […]
Creating Markdown reports from SQL Server queries
Markdown is a lightweight markup language with plain-text-formatting syntax. It’s is often used for formatting simple readme files, for writing messages in online discussion forums, and to create rich text using a plain text editor. You can read more on this link: https://daringfireball.net/projects/markdown/. Sometimes I need simple reports from my SQL Server queries and put […]
Xamarin Forms and ODB2: Talking with the vehicles
Today, I will present Xamarin Forms (XF) mobile application (iOS and Android) which talks to the vehicle. I will present demo app which reads vehicle speed, engine revolutions per minute-RPM and some other data, such as engine temperature. For that I will use: Xamarin Forms as mobile development framework, On-board diagnostics – ODB2 as car […]
Using Roslyn C# compiler in .NET 5
.NET Compiler Platform, also known by its nickname Roslyn, is a set of open-source compilers and code analysis APIs for C# and Visual Basic .NET languages. The primary features of Roslyn are to provide compilers and APIs for code analysis and refactoring. There is a splendid must-read article about Roslyn entitled How Microsoft rewrote its […]
C# 9: Top-level statements
C# is awesome programming language. The C# team at Microsoft is adding new features with every new version of the language. And forthcoming version C# 9 is no exception. Among other nice features, there will also be a feature called Top-level statements. You can read more about proposal on this link https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/proposals/csharp-9.0/top-level-statements. Furthermore, you can […]
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I run jenx.si which is a small business and research site.
I'm senior software engineer at a local company. During my free time I spend my time working on freelance projects, research, experiments, blogging and building my own products.