Test-driven development (TDD) is all the hype these days, especially if you frequent LinkedIn and various software development community forums. It’s almost like a religion these days. Many TDD evangelists will keep saying that it’s the best thing since sliced … Continue reading Why TDD is severely overhyped (and why you should still try it)

.NET developers who are new to AWS Lambda functions often struggle to figure out how to test them locally. The documentation is somewhat sparse or it proposes excessively complicated ways of doing this. For example, there are articles and YouTube … Continue reading The easiest way to run and debug .NET AWS Lambda locally

In your software development career, you will have to spend a lot of time finding bugs in the code and figuring out why it doesn’t do the thing it’s supposed to do. This is what the process of debugging is … Continue reading The art of scientific debugging

ASP.NET Core is the main web application development framework in .NET, which is the core software development platform of the Microsoft stack. It comes with various application templates that would allow developers to build any kind of web application. For … Continue reading The easiest way to learn ASP.NET Core

On the most fundamental level, a web application consists of client-side code and markup, server-side code, and a database. Many small websites and small-to-medium enterprise-level browser-based applications consist of nothing other than these components. However, on its own, this basic … Continue reading How big data web applications are built

Relational Database Management Systems (RDBMS) and Structured Query Language (SQL) associated with them represent a mature technology that existed for over 30 years. However, a group of data storage technologies based on a completely different paradigm, collectively known as NoSQL, … Continue reading When NoSQL is a better choice than RDBMS and when it’s not

In the previous article, we had a look at how to scale a SignalR hub by using Redis backplane. But you can also scale your hubs by using Azure SignalR Service. And this is what we will have a look … Continue reading Scaling out a SignalR hub with Azure SignalR Service

You can run a single monolithic instance of a server application only if the number of clients accessing your application doesn’t exceed a couple of thousand. But what if you expect hundreds of thousands, or even millions, of clients to … Continue reading How to scale out a SignalR back-end by using Redis

Securing your applications is very important, especially if they are accessible via a network that you don’t have control over, such as public internet. Without security, absolutely anyone can connect to your application, including someone who is up to no … Continue reading Securing your SignalR applications with OpenID Connect and OAuth

We have already covered all the fundamental ways of using SignalR messages. We have learned how to set up clients of all supported types, how to send messages to specific clients and how to use data streams, both client-to-server and … Continue reading Advanced SignalR configuration: fine-tuning the server-side hub and all supported client types

Until this point, we have only covered the use of singular messages in SignalR. But SignalR also supports message streaming. Streaming is when, instead of sending all data at ones, you send it in chunks. Perhaps, it’s a large object … Continue reading Streaming in SignalR

SignalR hub can broadcast a message to all connected clients. But this is far from being the only way you can use SignalR. The hub allows you to send messages to individual clients. You can also group clients together and … Continue reading Sending messages to individual SignalR clients or groups of clients

SignalR Hub is only useful if you have clients connected to it. And in this article, you will learn how to connect in-browser clients. We will start with in-browser clients because they are slightly easier to set up than external … Continue reading In-browser SignalR clients

SignalR is an inbuilt ASP.NET Core library that makes it easy to create interactive real-time applications. It enables fast two-way messaging between the client and the server. Under the hood, it uses some complex logic to enable all of this. … Continue reading Single Sign-on user authentication on Blazor WebAssembly SignalR client

Many design patterns were developed with SOLID principles in mind. Therefore it will be hard to learn design patterns unless you know SOLID principles. But SOLID principles aren’t merely a tool to help you learn design patterns. Every software developer … Continue reading Applying SOLID principles to JavaScript – a step-by-step refactoring guide

My book, SignalR on .NET 6 – the complete guide, is out now! Also available in print. A while ago, when ASP.NET Core didn’t even exist, Microsoft has created a library for .NET Framework-based ASP.NET that enabled a two-way communication … Continue reading SignalR vs gRPC on ASP.NET Core – which one to choose

This article is a chapter from the book Microservices Communication in .NET Using gRPC Since gRPC is often used for processing large volumes of data inside a distributed application, this communication mechanism must be optimized for the best performance. In … Continue reading Performance Best Practices for Using gRPC on .NET