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When working with Azure Bicep, you can safely reference an existing Azure resource using the existing keyword. This eliminates the risk of unintended modifications or deletions.

Here’s the syntax to retrieve an existing resource:

When working with Azure Pipelines, the checkout keyword is typically used to reference a Git repository with a fixed name. For example in your Azure Pipeline you will add the following line:

- checkout: git://MyProject/MyRepository

While this works well for static scenarios, what if you’re working with multiple repositories? For instance, when automating tasks that iterate over a list of repositories, hardcoding each repository name becomes inefficient and error-prone.

When working with Azure DevOps pipelines you will often want your tasks to run PowerShell scripts. Since the execution of the upcoming tasks can be dependent to the result of the current task, your script will have to inform about success or error.

For this task you can use exit codes, which indicate the success or failure of a command or script. We are also going to learn how to use the $LASTEXITCODE variable to determine the outcome of your commands.

When working with unit tests in .NET, you might find yourself using the Moq framework to create mock objects. However, there are alternative frameworks like FakeItEasy that offer similar functionalities using a different approach. In this article, we’ll explore how to replace Moq with FakeItEasy, focusing on the following changes:

1. Instantiating a New Mock
2. Setting up / Mocking the response of a method
3. Setting up properties
4. Passing the Mock as a parameter to a class
5. Replacing the Protected method of Moq
6. Verifying method calls

Autofac is a powerful Inversion of Control (IoC) container for .NET applications that simplifies dependency injection (DI), and although it tends to be replaced by the .NET Core out-of-the-box DI, it is still in use in many web applications. You use Autofac to register concrete implementations to interfaces, so that at runtime these implementation are picked without the needing to use the new keyword.

More complex registrations often require to pass a list of parameters to the constructor of the concrete class. Today we are going to see how to do that.