If you start a process from a process running as Administrator, the child process also run as Administrator. Running a process as Administrator could be a security risk. So, a good practice is to use the minimum privileges required to run a process. If you want to start a process as normal user from a process running as Administrator, you need to use create a limited token and use CreateProcessWithUserW… [read more]

A Job Object allows groups of processes to be managed as a unit. This is useful for managing the lifetime of a group of processes, for example, when you want to terminate a group of processes when one of them terminates. It is also useful for managing the resources consumed by a group of processes, for example, when you want to limit the amount of memory consumed by a group of processes. One use case of… [read more]

This post contains a list of misconceptions about date and time. The explainations are not exhaustive, sometimes it's just a counter-example. Everybody uses the same calendar Not all countries have adopted the Gregorian calendar at the same time. France, Spain, Italy and a few other countries adopted the new calendar on 15 October 1582. British Empire changed in September 1752. Russia didn't switch until… [read more]

Here are some tips and tools to help you debug your .NET applications. The goal is not to be exhaustive, but to give you some ideas on how to debug your applications. Random tips Talk to a rubber duck Take a walk, sleep, play a game, etc. and come back to your code later with a fresh mind Read the documentation carefully Before changing the code, make sure you understand why it doesn't behave the way you… [read more]

Google Chrome / Microsoft Edge: Ctrl + Shift + V Windows: Win + V, Then click "..." (see more), Then "Paste as text". To use the keyboard, you can press Tab Enter to select the option: Microsoft Office (method 1): Ctrl + Alt + V, then select "Unformatted text" Microsoft Office (method 2): Ctrl + V, then Ctrl, then T Microsft Office (method 3): Alt, H, V, T Paste the text to a text-only editor, such as… [read more]

Static analysis is a great way to improve the quality of your code and detect errors before they happen. Blazor is has some dynamic parts, so some errors occur only at runtime. In this post, I describe the recent updates in Meziantou.Analyzer to detect some of these errors at compile-time. Meziantou.Analyzer is a NuGet package that provides a set of analyzers to improve the quality of your C# code. It… [read more]

With recent version of Visual Studio, you don't need to manage using directives manually. Indeed, VS can add/remove them automatically. So, showing them is just a waste of space in the editor. Hopefully, Visual Studio has new options to hide them by default! Let's see how to configure Visual Studio to handle using directives automatically. Collapsing using directives automatically When you open a file, VS… [read more]

In the previous post, I explained the best practices for NuGet packages. In this post, I will show how to create and publish a NuGet package that follow best practices using GitHub and GitHub Actions. Create the project Let's create a class library project and a test project: # Create a class library project and a test project dotnet new classlib -o SampleNuGet dotnet new xunit -o SampleNuGet.Tests dotnet… [read more]

Creating a NuGet packages is as easy as dotnet pack. But, you may not be aware of all the best practices that you should follow to ensure your package is as good as it can be. In this post, I describe how to ensure your NuGet packages follow best practices before publishing them to a repository such as nuget.org. Discoverability You should make your package discoverable by adding the right metadata to… [read more]

When an application is not running well, it could be useful to generate a dump file to debug it. There are many ways to generate a dump file on Windows, Linux, or Azure. Windows dotnet-dump (Windows) The dotnet-dump global tool is a way to collect and analyze dumps for .NET Core applications. Install dotnet-dump (require .NET SDK) or download it dotnet tool install --global dotnet-dump Find the process id… [read more]