In short, domain events help you to express, explicitly, the domain rules, based in the ubiquitous language provided by the domain experts. Domain events also enable a better separation of concerns among classes within the same domain. It's important to ensure that, just like a database transaction, either all the operations related to a domain event finish successfully or none of them do. Domain events are similar to messaging-style events, with one important difference. With real messaging, message queuing, message brokers, or a service bus using AMQP, a message is always sent asynchronously and communicated across processes and machines. This is useful for integrating multiple Bounded Contexts, microservices, or even different applications. However, with domain events, you want to raise an event from the domain operation you are currently running, but you want any side effects to occur within the same domain. The domain events and their side effects (the actions triggered afterwards that are managed by event handlers) should occur almost immediately, usually in-process, and within the same domain. Thus, domain events could be synchronous or asynchronous. Integration events, however, should always be asynchronous.

Learning the Basics: How To Use JSON in SQLite 

How to Use Dependency Injection in ASP.NET Core

6 Popular CSS Frameworks to Use in 2019 

Learn to use LINQ to simplify the process of coding and querying in C# and Visual Basic. LINQ Succinctly will guide you through the process, from conceptual understanding to practical implementation. With the help of author Jason Roberts, you will be streamlining your coding and querying practices in no time.

AI-Powered Regular Expression Solver
Insert your text and drag the cursor to highlight multiple strings to find matching regular expression. You can also click on the highlighted text to remove it. 

Learn how to send POST, PUT, and DELETE requests using HttpClient in ASP.NET Core. We are going to show you both examples for each request with shortcut methods (PostAsync, PutAsync, DeleteAsync) and with the HttpRequestMessage class. 

All the features are described in wonderful detail in the docs. Start with the overview, What’s new in C# 7.2, which gives you an excellent introduction to the new set of capabilities. 

In this short video Rowan takes us through a different approach to generating keys in Entity Framework 7 using sequences. This approach is interesting in cases of large INSERT batches primarily because keys are all fetched beforehand.

• It's good enough for many situations and dead simple to use.
• Most published datasets today are in CSV format.
• Many data processing tools still output CSV files.
• Its human-readability is unmatched among data formats.