C# Asynchronous Programming Patterns

There are 3 Asynchronous Programming Patterns in C#.

1- Asynchronous Programming Model (APM)
2- Event-based Asynchronous Pattern (EAP)
3- Task-based Asynchronous Pattern (TAP)


1- Asynchronous Programming Model (APM)

Asynchronous Programming Model using Delegates

you can reach that article from Calling synchronous methods asynchronously

2- Event-based Asynchronous Pattern (EAP)

3- Task-based Asynchronous Pattern (TAP)

Kubernetes multi node cluster with Vagrant (included Kubernetes Dashboards, Grafana, Prometheus)

The following Vagrantfile code(syntax is Ruby) is creating one master node and two worker nodes for Kubernetes.

Go to Vagrantfile directory in Terminal and run the following code to create virtual machines.

As you can see in the below picture, three virtual machines are obtained and running.

But, Kubernetes cluester is still not ready. We created just an environment to install the cluster.
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Chain of Responsibility Pattern and Aspect Oriented Programming

Each class contains only the business logic code, while the aspects will be responsible of intercepting the code in order to inject the cross-cutting concerns.

This is first version of example code.

This is second version. You can find MethodInfo and parameter values in the aspect classes.