Bouncy Castle Cryptography in C# and .NET
Bouncy Castle is a cryptography library for .NET that ships the algorithms and formats System.Security.Cryptography does not, such as Ed25519, Blowfish, IDEA, Camellia and OpenPGP. Where the two overlap, the built-in types do the same job with fewer moving parts. So...
Comparing ExecuteAsync() and StartAsync() Methods from the BackgroundService Class in .NET
Due to the emerging significance of running background tasks, .NET Core has given us new ways of achieving it. BackgroundService is another tool in our toolbox with methods ExecuteAsync() and StartAsync() being the central components. In this article, we will compare...
How to Mock IConfiguration.GetValue in ASP.NET Core
In this article, we'll take a closer look at how we can mock IConfiguration.GetValue when writing unit tests in ASP.NET Core. Let's start!...
Embedded Resources in C# and .NET
An embedded resource is a file the compiler writes into the assembly itself, so the DLL or EXE carries it instead of shipping a loose file next to it. A text file, an image or a PDF goes in unchanged and comes back out through System.Reflection, not through a file...
How to Print a 2D Array to the Console in C#
In this article, we will learn how to print a 2D array to the console using C#. Whether we are handling complex data structures or simply organizing information efficiently, understanding how to manipulate 2D arrays is a valuable skill. [sc name="github"...
Getting Started With EasyCaching in ASP.NET Core
EasyCaching is an open-source caching library that helps us manage caching more easily, and flexibly and it's an alternative to ASP.NET Core's out-of-the-box caching library. Caching is a prevalent and useful technique for improving the performance of web...
How to Set the Exit Code for a Console Application in .NET
In this article, we will learn how to set the exit code for a console application in .NET. Let's dive in. What Are Exit Codes Exit codes are...
Lookup in C#
When we build our .NET applications, we commonly use dictionaries to store data as key-value pairs. However, dictionaries do not allow us to map multiple values to a single key. In this article, let's explore the Lookup class in C# and discuss how we can use it to...
Modular Monolith Architecture in C# and .NET
A modular monolith is one application, deployed as one unit, whose code we split into loosely coupled modules along business lines. Let's see how it compares with traditional monoliths and microservices, and then build one in .NET with two modules. We will also...
Fastest Ways to Perform Base 10 Conversions in C#
Performing base 10 conversions is fundamental when learning basic computer science and mathematical concepts. Since we know computer systems understand binary, such conversions can help us form different number representations that we can use for various applications...
How to Compare Two Dictionaries in C#
In this article, we will first explore several ways to compare two dictionaries in C#. Then, we will compare and rank the performance of these approaches using the BenchmarkDotNet library. When we work with Dictionary objects in C#, checking their equality is a common...
Using Delegating Handlers to Extend HttpClient in ASP.NET Core
In this article, we'll explore HttpClient's delegating handlers in ASP.NET Core. These handlers act as a middleware...
Introduction to the StronglyTypedId Package in .NET
In this article, we'll look at the StronglyTypedId NuGet package and how it helps us enhance type safety and code readability in our .NET projects by generating strongly-typed IDs for our entities. [sc name="github"...
How Does the Default ASP.NET Core Identity PasswordHasher Work?
ASP.NET Core Identity hashes passwords with PasswordHasher<TUser>, and its defaults are PBKDF2 with HMAC-SHA512, a 128-bit random salt, a 256-bit subkey, and 100,000 iterations. The result is a single Base64 string that carries its own settings. A leading...
How to Compare Two Files in C#
In this article, we will learn how to compare two files in C#. There are several reasons why we might want to compare two files in our code, such as integrity checks, detecting duplicate files, version control, synchronization, and more. But what are the different...
JsonSerializerOptions in ASP.NET Core: Set Global Defaults
To set global JsonSerializerOptions defaults in ASP.NET Core, configure them once at startup: AddJsonOptions() for controllers, ConfigureHttpJsonOptions() for minimal API endpoints, or AddNewtonsoftJson() to hand serialization back to Json.NET. ASP.NET Core serializes...
Real-Time .NET Error Reporting With Exceptionless
In this article, we are going to cover the Exceptionless library and see how to use it in an ASP.NET Core application. So let's get started. What Is...
How to Filter a List Based on Another List In C#
Lists in C# are one of the most ubiquitous data structures. We perform all kinds of operations on them, such as appending, inserting, removing, sorting, and filtering. In this article, we'll focus on the latter - filtering. In particular, we'll see how to use a list...
View-Based Authorization in ASP.NET Core
View-based authorization is an authorization strategy that enables us to manage UI elements' visibility based on the user's identity. In this article, we'll take a look at how we can achieve view-based authorization in an ASP.NET core application. [sc name="github"...
Add a Cookie to an HttpClient Request/Response in ASP.NET Core
What are cookies? Websites send small pieces of text, known as internet cookies, to our browsers whenever we visit them. They help us have a personalized experience on that particular website and remember it for the next time we visit it. Our goal today is how to make...
Using Source Generators to Validate IOptions in ASP.NET Core
In this article, we'll look at how to use source generators to validate IOptions and ensure they meet the required configuration expectations. [sc name="github"...