Paweł Bulwan

TL/DR: no. But you can make your life at least a bit easier with the right tooling. I heard this question a few times from my colleagues, so I’ll drop a short post with my answer for a wider audience 🙂 Many coders I know tend to avoid tasks where they need to change something … Read more

The most popular feature of JetBrains.Annotations is probably the addition of two cool attributes: [NotNull] and [CanBeNull]. They add a meta-information to a marked element, describing if null is a correct value for that element, or not. Then, developers using ReSharper would get help from the IDE and could easier avoid mistakes like here: I … Read more

Making Visual Studio treat warnings the same way as errors .NET projects have an interesting property that we can set. It’s named TreatWarningsAsErrors. We can set it in *.csproj files: For years, I would say that this is great! The more strict code checking rules, the better, right? Code style, warnings, conventions. And in theory, … Read more

PiHole is an application which acts as a DNS server in your local network. Its main objective is to block domains serving advertising. You can also configure it to block other kinds of domains, for example tracking, malware or even addictive pages that such your time. Maintaining a DNS server tailored to my needs is … Read more

The top-level statements are a feature introduced in C# 10. The idea is to reduce the boilerplate code needed to define aplication’s entry point. So instead of the traditional: We can write the code directly in the main project’s file, which reduces the code to just one line: .NET 6 templates use this new, concise … Read more

I’ll share my experience with an attempt to create a self-hosted Azure DevOps agent that would be identical to agents running on the Microsoft-hosted agent pool. At first, I expected that I can just google and find a VHD or VHDX files for DevOps agents. But I couldn’t find any. Why we wanted to create … Read more

Sometimes when we develop unit tests it’s convenient to check if the tested code wrote something to the log. Is it a good practice to assert that some particular message appeared in the logs? I think there are pros and cons. On the pros side, we can make general assertions like “no errors were written … Read more

I have recently observed that my Visual Studio Code synchronization no longer seemed to work. The configuration which I carefully changed at home was still not synced on my workplace machine. If you have a similar problem and found this blogpost in Google, read on 🙂 Diagnosing it turned out to be easy once you … Read more

One of the common ways to do two-factor Authentication is to use an authenticator app like Authy, Microsoft Authenticator, 1Password or LastPass Authenticator. Just to clarify, I am talking about the apps generating time-based one-time passwords (TOTP). They are usually set up like in the screenshot below. You have probably seen it many times: This … Read more

This is a short note showing my fix to an error I encountered when migrating application from .NET Framework to the most recent (at the moment) .NET 6. I’m just pasting the rough code example of how this can be migrated, because: I couldn’t find it anywhere in the Internet I spent some boring hours … Read more