Chapter 16

1. The global.json file is used to determine which SDK will be used in a given directory tree. You can create this file in the solution root folder (or any parent folders) by using the dotnet new globaljson command and editing it manually to match one of the versions returned by the dotnet --info command.
2. The Path.Combine method is the best way to concatenate paths on both Windows and Linux, both of which use different path separators. This method is also very convenient to avoid mistakes when concatenating relative paths and doubling or omitting the separators.
3. Libraries conforming to the .NET Standard specification are binary compatible with any framework supporting it. When you need to share code among different frameworks, verify which is the most recent version of .NET Standard supported by them and create a library that uses it. If the APIs you need to use are not supported by the required version of .NET Standard, you can change strategy and create separate...