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CoreIdent 0.4: A Ground-Up Rewrite for .NET 10+
CoreIdent 0.4: A Ground‑Up Rewrite for .NET 10+ Hey .NET community! I have a big update to share regarding CoreIdenthttps://coreident.net: version 0.4 is a comp...
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ASP.NET Core - Fundamentals - Error Handling
1. Use try‑catch block Best practice when re‑throwing exceptions - throw ex; – loses the original stack trace on downstream layers. - throw; – preserves the or...
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ISO 4217 Currency Reference for .NET — Strongly Typed and Production-Ready
Overview Working with currencies in .NET often looks simple—until it becomes a mess. String‑based codes, inconsistent casing, withdrawn currencies, special uni...
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How to Merge Cells in Excel in C#
Prerequisites Before you start, make sure you have the following: - Visual Studio installed on your machine. - Spire.XLS installed. You can download it from th...
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Adding Page Numbers to PDF Documents Using C#
Introduction PDF documents are a universal format for information exchange and storage, essential for daily office tasks and technical documentation. Manually...
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Troubleshooting DefaultAzureCredential: Identifying Which Credential Is Used
The Problem When using Azure Identity NuGet packages, DefaultAzureCredential will attempt to load a range of credential types such as Environment Variables, Vi...
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Build a Bi‑Directional TOON Parser in C#: Convert TOON JSON with Ease
Introduction Toon Token‑Oriented Object Notation is a newly promoted format designed specifically for saving LLM tokens. It is compact, human‑readable, extreme...
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Lessons From 'Dependency Injection Principles, Practices, and Patterns'
Introduction My first job as a software developer was writing C for a software development agency that worked very closely with Microsoft. As a junior engineer...
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Checkbox Aria TagHelper
Introduction Learn how to initialize all checkbox inputs that reside in an ASP.NET Core page using a custom TagHelper. The TagHelper evaluates the checked attr...
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Testing Azure Functions: Unit Tests with Moq & Integration Tests with Testcontainers
Overview Test Azure Functions using Moq for unit tests mocked service interfaces and Testcontainers for integration tests real Azurite blob storage. This guide...
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Unit Testing ASP.NET Core Web API with Moq and xUnit (Controllers + Services)
What Is Moq? Moq allows you to replace real dependencies with lightweight test doubles so you can test logic in isolation. Core methods - Setup → define mocked...
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Blazor vs React: A .NET Developer's Honest Comparison
Why I switched from React to Blazor—and why your npm audit might thank you too. Blazor vs React is a question every .NET developer eventually asks. Blazor lets...