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C# Articles, Tutorials & News

C# articles, tutorials, and news from the DotNetNews archive.

2322 articles Updated Jul 21, 2026 Page 87 of 93

Browse additional C# articles from the DotNetNews archive.

C# articles

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StringBuilder vs StringConcatenation

medium.com Feb 27, 2025 Issue #142

https://medium.com/@Sina-Riyahi/stringbuilder-vs-stringconcatenation-d69fbebf81fe

Performance

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What is my favorite VS Code feature for C# development?

youtube.com Feb 27, 2025 Issue #142

https://www.youtube.com/watch?v=tqtOE-rSIYI

Visual Studio Code

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Custom function query support in JsonQuery.Net

medium.com Feb 27, 2025 Issue #142

https://medium.com/@lateapexearlyspeed/custom-function-query-support-in-jsonquery-net-f0848b1cc252

REST API

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IEnumerable vs IEnumerator in C#: One is 2x Faster - LinkedIn Edition

steven-giesel.com Feb 27, 2025 Issue #142

https://steven-giesel.com/blogPost/b705be3e-8d80-4de1-aefb-29c9262c49b7

Performance

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When Not to Use async/await in .NET: Avoid These Common Pitfalls

medium.com Feb 27, 2025 Issue #142

https://medium.com/@ashokreddy343/when-not-to-use-async-await-in-net-avoid-these-common-pitfalls-b0ceec3dd4a7

Performance

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C# Spread Operator: Concise Code, Maximum Impact!

medium.com Feb 27, 2025 Issue #142

https://medium.com/@nagarajvela/c-spread-operator-concise-code-maximum-impact-2906d947deec

Solid Principles

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C# 14: Null-conditional assignment

steven-giesel.com Feb 27, 2025 Issue #142

https://steven-giesel.com/blogPost/b6d22649-7fba-488b-b252-31efdb3686c5

.NET 9

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ChatGPT for Advanced C# Code Refactoring & Clean-Up

dotnetcorecentral.com Feb 26, 2025 Issue #141

https://dotnetcorecentral.com/blog/chatgpt-csharp-refactoring/

GitHub Copilot Solid Principles

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The 4 C# Techniques Nobody Talks About (But Should)

medium.com Feb 26, 2025 Issue #141

https://medium.com/write-a-catalyst/the-4-c-techniques-nobody-talks-about-but-should-2cd782864239

Design Patterns

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Mastering Async Programming in .NET: Best Practices & Pitfalls to Avoid

medium.com Feb 26, 2025 Issue #141

https://medium.com/@tanjeerbinhaque/mastering-async-programming-in-net-best-practices-pitfalls-to-avoid-03327c667524

.NET Core Performance

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Understanding Nullable Types in C#: A Comprehensive Guide

rahulsahay19.medium.com Feb 26, 2025 Issue #141

https://rahulsahay19.medium.com/understanding-nullable-types-in-c-a-comprehensive-guide-31fc7688d933

ASP.NET Core Blazor EF Core

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Recursive Algorithm in C# Using Towers of Honoi

csharp.com Feb 26, 2025 Issue #141

https://www.csharp.com/article/recursive-algorithm-in-c-sharp-using-towers-of-honoi/

ASP.NET Core Blazor EF Core

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Tuning Your Serialization in .NET with JSON Attributes: Faster, Leaner, and Cleaner

medium.com Feb 26, 2025 Issue #141

https://medium.com/@kohzadi90/tuning-your-serialization-in-net-with-json-attributes-faster-leaner-and-cleaner-22e603e9fbec

Performance System.Text.Json

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.NET Buffering Techniques: Analysis, Benchmarking, and Practical Advice

slimktari.com Feb 26, 2025 Issue #141

https://slimktari.com/net-buffering-techniques-analysis-benchmarking-and-practical-advice-d49f12906de0

Design Patterns Solid Principles

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Building .NET AI apps with Chroma

devblogs.microsoft.com Feb 26, 2025 Issue #141

https://devblogs.microsoft.com/dotnet/announcing-chroma-db-csharp-sdk/

Design Patterns

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Entity Framework 9 - GroupBy Throwing Exception

csharp.com Feb 26, 2025 Issue #141

https://www.csharp.com/article/entity-framework-9-groupby-throwing-exception/

Clean Architecture Solid Principles

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SingleAsync() vs SingleOrDefaultAync() vs FirstAsync() vs FirstOrDefaultAsync() vs FindAync()

ravindradevrani.medium.com Feb 25, 2025 Issue #140

https://ravindradevrani.medium.com/singleasync-vs-singleordefaultaync-vs-firstasync-vs-firstordefaultasync-vs-findaync-e1d150d79e3a

EF Core

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Multithreaded Work Synchronization in C#/.NET — Part 2

medium.com Feb 25, 2025 Issue #140

https://medium.com/jit-team/multithreaded-work-synchronization-in-c-net-part-2-a565e96f03d7

Performance

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AsyncLocal vs ThreadLocal

medium.com Feb 25, 2025 Issue #140

https://medium.com/@serhiikokhan/asynclocal-vs-threadlocal-e49bd9403c22

Performance

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Understanding Garbage Collection

csharp.com Feb 25, 2025 Issue #140

https://www.csharp.com/article/understanding-garbage-collection/

Performance

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Developer’s Cookbook: 10x Dev Series — Development Speed (PART 4 of 8)

medium.com Feb 25, 2025 Issue #140

https://medium.com/@speedyguzz/developers-cookbook-10x-dev-series-development-speed-part-4-of-8-4bf3c6c91541

Azure Azure DevOps .NET Core

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C# Keywords

csharp.com Feb 25, 2025 Issue #140

https://www.csharp.com/blogs/c-sharp-keywords

Performance

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Diagnosing Memory Leaks in Dockerized .NET Applications with dotMemory

medium.com Feb 25, 2025 Issue #140

https://medium.com/@davidsilwal/diagnosing-memory-leaks-in-dockerized-net-applications-with-dotmemory-2dd3f5c879e7

Azure Azure DevOps .NET Core

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Deploying Vaultwarden on Docker for Secure Password Management

csharp.com Feb 25, 2025 Issue #140

https://www.csharp.com/article/deploying-vaultwarden-on-docker-for-secure-password-management/

Security

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Lessons Learned: Locking is Not Equal to Concurrency in Entity Framework

medium.com Feb 25, 2025 Issue #140

https://medium.com/@vemurivi/lessons-learned-locking-is-not-equal-to-concurrency-in-entity-framework-575ea541974b

.NET Core

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