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.NET Core Articles, Tutorials & News
.NET Core articles, tutorials, and news from the DotNetNews archive.
1625 articles Updated Page 15 of 65
Browse additional .NET Core articles from the DotNetNews archive.
.NET Core articles
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Stop Charging by the Hour: How I Used .NET to Increase My Freelance Income by 2x
Medium Issue #429
Why clients don’t care about your time — and how solving performance problems can instantly boost your rate
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🔴 VS Code Live - Modernizing Legacy .NET applications with GitHub Copilot Modernization in VS Code
YouTube Issue #429
Join Joel Norman and Jorge Balderas and watch them let Copilot loose to try modernizing a .NET application with GitHub Copilot Modernization in VS Code. https://learn.microsoft.com/azure/developer/git...
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Your .NET BackgroundService Starts Too Early
Medium Issue #429
Why ExecuteAsync runs before your app is ready — and how to fix it properly.
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Top Core Concepts Every Senior C#/.NET Developer Should Know in 2026
Medium Issue #428
The .NET ecosystem has never moved faster. From minimal APIs and cloud-native architecture to AI integration and advanced concurrency —…
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Why .NET Still Powers the Backbone of Modern Enterprise Software in 2026
Medium Issue #428
Introduction
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The Real Cost of Rewriting vs. Integrating
Medium Issue #428
Why most “quick rewrites” take 3x longer than bridging — and what the data actually says.
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A Comprehensive Guide to C# .NET Input Controls
Medium Issue #428
Input controls are fundamental to any .NET application. They govern how users provide data and directly influence the integrity, usability… Continue reading on MESCIUS inc. »
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What Is the Repository Pattern in C# and How to Implement It Step by Step?
C# Corner Issue #428
Learn the Repository Pattern in C# step-by-step! Discover how to separate data access logic, improve code maintainability, and build scalable ASP.NET Core apps.
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.NET CLI Shebangs and Argument Parsing
no dogma blog Issue #427
I’ve been using the dotnet run app.cs CLI applications for a little while. Until now, I had no problem with arguments passed in, but today I added a -v option to my application to print out the versio...
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On .NET Live - Imposter: A Mocking Library
YouTube Issue #427
️ Featuring: Bitchiko Tchelidze (https://github.com/themidnightgospel/Imposter), Maira Wenzel, Cam Soper, Katie Savage https://github.com/themidnightgospel/Imposter
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Why your Entity Framework Core app needs query filters
Round The Code Issue #427
Discover how EF Core query filters enforce global rules, simplify multitenancy, and clean up queries to stop sensitive data leaking into production. The page Why your Entity Framework Core app needs q...
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Clean C# Code: Best Practices, Smart Patterns & Real-World Examples in .NET Core
Medium Issue #426
Writing code that works is just the beginning. Writing code that lasts — that your team can read, test, extend, and debug at 2 AM — is the…
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ASP.NET Core + JWT + OAuth 2.0 — Authentication Done Right in 2026
Medium Issue #426
Most .NET auth tutorials show you what works in a demo. This one shows you what survives production — with token refresh, role-based…
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What is Dependency Injection in ASP.NET Core?
C# Corner Issue #426
Unlock the power of Dependency Injection (DI) in ASP.NET Core! Learn how DI promotes loose coupling, improves testability, and builds scalable applications. Master DI today!
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How to Implement JWT Authentication in ASP.NET Core Step by Step
C# Corner Issue #426
Secure your ASP.NET Core APIs with JWT! This step-by-step guide covers implementation, best practices, and common pitfalls for robust authentication. Build secure, scalable web apps.
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.NET Core vs .NET Framework – Key Differences Explained
Medium Issue #425
EF Core 10 Performance Mastery: 7 Real-World Techniques That Cut Latency 30–70% in Production (With…
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IOptions vs IOptionsSnapshot vs IOptionsMonitor in .NET — Pick the Right One
Medium Issue #425
You open a .NET project. You write something in appsettings.json. You inject IOptions<T> into your service. Everything works. Life is good.
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Modernizing .NET — Part 17: Migrating SMTP Email to MailKit
Medium Issue #425
Learn how to replace obsolete SmtpClient with MailKit for modern, secure, and cross-platform email delivery in .NET Core.
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Mastering the Options Pattern in .NET
Medium Issue #425
If you’ve spent any time building APIs or microservices in ASP.NET Core, you’ve dealt with configuration. API keys, database connection…
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Modernize .NET Anywhere with GitHub Copilot: Faster Upgrades with AI (With Practical Example)
Medium Issue #424
Modernizing legacy .NET applications has traditionally been a complex and time-consuming process. From handling outdated dependencies to… Continue reading on GoPenAI »
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Modernizing a Legacy ASP.NET Application Using AI (Gemini CLI)
Medium Issue #424
How I analyzed, understood, and executed a legacy .NET app in minutes using AI
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Building an AI-Powered Translator App Using Angular, .NET Core, and Python
Medium Issue #424
Introduction
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Understanding AI in the .NET
Medium Issue #424
Many companies are interested in introducing artificial intelligence into their operations, but knowing where to start is often the…
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Word Page Setup in C# (Size, Margin, Orientation)
Medium Issue #424
When developing business systems that involve document generation, it is often necessary to dynamically create Word reports based on data…
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Fast .NET CLI Downloader
no dogma blog Issue #423
There are plenty of GUI download managers, but I wanted a simple one that I can call from the command line. With the newish dotnet run app.cs style, it became easier to do this. Here is the full sou...