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
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
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
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: Custom console logger using old Microsoft.Extensions.Logging.Console 2.1.1 Equivalent custom console logger using newer Microsoft.Extensions.Logging.Console 6.0.0 … Read more
A typical reference to a NuGet package in your project might look like In the above example, we can see that we reference a package Newtonsoft.Json in a specific version, 11.0.1. We don’t specify any constraints for a person or a tool that would like to update the version in reference. Now, let’s take a … Read more
Which of the following lines, in your opinion, is a better choice for logging a trace to Azure App Insights? I must admit that for a long time, I used the string interpolation (option A). It is concise, has no characters that would be redundant, and does the job. But it turns out, that the … Read more
New releases of .NET often come with features that I really like to use in my daily developer work. Therefore, I like to keep projects I work on at the most recent stable version of .NET. Soon we’ll officially have stable versions .NET 6, released along with C# 10 and Visual Studio 2022. I like … Read more
Update: the code example in this article uses an API that is now deprecated. It will only be useful if you are stuck using old NuGet library to query Application Insights. For new code, you should use https://www.nuget.org/packages/Azure.Monitor.Query/ instead. This article does not provide code example on how to use that newer API. Application Insights … Read more