Tagged articles - .NET Core

While designing the REST API, quite often you may find yourself in a situation where the data can be provided from multiple sources, like route, query string or POST/PUT payload. While that might not be a big problem, it may force you to redesign your models and most likely you will end up with keeping your original DTOs but then designing a new model in your application services layer just to have all your data from different sources in one place when you are passing it to the service method. Resolving multiple sources custom binding ...read more

Configuration is probably the most essential part of every application, yet we do not give much attention to it during application design and development. .NET Core has quite nice way to store configurations (usually JSON files) and already built-in extensions to access configuration values and directly cast them to a specific type...read more

Some time ago I wrote an article about Reloading the cache automatically once expired is ASP.NET MVC. The piece of code represented in that article is build on top of .NET Framework 4.7.2...read more

Azure WebJobs are a great way to run background processes for your Web application on hosted on Azure WebApp. Althought Microsoft does not yet provide Visual Studio project templates for .NET Core (it only has built in project template for .NET framework 4.x) it is still possible to develop WebJob using .NET Core and run in on a WebApp...read more

WebJobs are a great way to run recurrent background tasks that support your application. They come as a part of Azure App Service/Web App serverless model...read more

Code analysis is and important part of application development. It can point to a potential bottle necks or code cluttering during the development process...read more

Recently I wrote an article about Automatic CQRS handler registration in ASP.NET Core with reflection in order to reduce number of lines for registering command and query to IOC container in ASP.NET Core. However, this solution does reduce lines for service registration in the startup, you still need to add all command and query handlers as parameters to the controller constructor. ...read more

Since REST services do not have the UI, there is not much space for the localization. Data is sent and retrieved and most of the decisions is made based on the status code of the response...read more

Authentication is an essential component of pretty much any REST API. Most of the resources you expose through REST API services, unless they are protected inside intranet, need to be protected by some kind of authentication. This is pretty much clear and it is easy achieved by just simply decorating your controller actions or even whole controllers with Authorize or AllowAnonymous attributes. ...read more

It is not uncommon that for records in database you need to store image files or other documents related to the specific record on the file system. Storing documents related to the database records on the file system is not a silver bullet...read more

Pretty much all models of digital cameras including smartphones have ability and usually by default store additional metadata along with the image itself taken. This data is stored in EXIF format and you can easily see it if you are a Windows user by checking the properties of the photography file. ...read more

Reflection allows accessing type structure and its meta-data in runtime. Using reflection, you can dynamically instantiate objects, access fields, methods and properties regardless of the protection level...read more

There is a big buzz about AI these days and major Cloud vendors like Amazon Web Services, Azure, Google Cloud are competing to bring better products to their platforms for variety of AI tasks. One of these services is speech recognition and generating transcription text from the audio. I recently worked on a project which involved transcribing large amount of daily generated audio recordings...read more

Over the time various techniques to manipulate database data have evolved in .NET. Entity Framework is certainly the most advanced one, but for small ad hock applications where you have few inserts to deal with, ADO is still the fastest way to write data to the database...read more

Paging a REST API response is equally important as filtering the data returned through REST API endpoints and they quite often come together. Just like filtering, paging limits the amount of data returned from the endpoint, saving both client and server side resources...read more