In the early days of dotnet core, there was an attempt of changing the C# project file format. The old “csproj” based on XML format was replaced with .xproj/project.json. However, after releasing dotnet core 1.0 the authors decided to get back to XML file. The format stayed the same but the specification went through a major change. With the new schema...

In this post, I will show you how to build a self-maintenance mechanism for ELK stack using curator together with cron scheduler.

Oficjalnie mogę już ogłosić, że moja książka została opublikowana! Jest dostępna w sprzedaży w różnej formie, na różnych sklepach. Poniżej krótkie Q&A na ten temat.

Recently I’ve learned a few new DevOps things which help me and my teammates to work more effectively with ELK. I think they’re worth sharing.

Jak wytłumaczyć w prosty sposób czym są moduły w oprogramowaniu? Tworząc prezentację na Kariera IT wpadłem na ciekawe porównanie modułów  do działów firmy. W prosty sposób wyjaśnia to ten trudny koncept, dając jasny pogląd co jest ważne i dozwolone.

Akka.NET is quite opinionated in terms of persistence. Paraphrasing Henry Ford’s famous quote: You can persist your data any way you want in Akka.NET, so long as you use event sourcing. But what if you don’t want to? Perhaps the problem you are trying to solve doesn’t overlap with this particular mental model, and yet you think you can still gain a lot by leveraging Akka. Then you have to bake your own solution. In this blog post, I would like to show you one way of integrating Akka.NET with an ORM. To k...

Dziś krótki wpis, który być może okaże się dla Ciebie bardzo przydatny. Chodzi o jedną z technik programowania defensywnego, którą bardzo często możesz spotkać w kodzie C# (z uwagi na jego specyfikę), a mianowicie null-check (ogólniej asercja). Spójrz na poniższy kod...

The CQRS/CQS pattern works great, I immediately found a lot of benefits. It helps me to enforce separation of concerns, single responsibility and consistency in my codebase, as well as eliminate all that AOP magic with restoring full control over the code execution. Unfortunately, there is also a boring side of implementing CQRS - THE TYPING.

„The web has evolved. Finally, testing has too.” These words welcome us on the main page of the Cypress.io project, a new framework used to create the E2E tests in web applications. In my opinion, this statement is extremely accurate, and I would like to explain why I believe so.

StaleElementReferenceException can be definitely classified as the number 1 nightmare of people who write automated tests with Selenium framework. This exception occurs when given web element with which we are trying to interact is no longer present in DOM tree. This can be caused by multiple factors...