Editor's note
I pulled a very mixed lineup this time, with interview prep, architecture, performance, and platform news all sitting side by side. The .NET 10 performance piece and the security headers article stand out because they translate directly into better apps, not just better theory.
Dependency injection, .NET 10, and caching
Jasen Fici
September 18, 2025
Rolling into Thursday with the tenacity of a seasoned developer who's wrestled with more code than a VHS tape with tracking issues. It's the perfect day to fuel your .NET journey with fresh articles and insights that promise to pump up your projects like a dependable V8 engine. Grab a cup of Joe—it's time to geek out with the best content that's just as reliable as that ancient pager in the back of your drawer. Your pathway to .NET greatness is one scroll away!
Today's Articles
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Jasen's take on today's picks
Dependency Injection in .NET: The Career-Level Deep Dive That Will Make You Nail Any Interview
A deep DI walkthrough that’s interview-focused but still useful for day-to-day design decisions.
Full Stack .NET + Angular Interview Mastery Guide — 2025 Edition
A full-stack .NET plus Angular interview guide for anyone sharpening system-design and coding stories.
.NET Core Command Line Interface (CLI)
A CLI refresher that’s basic on the surface but helpful for remembering the platform’s tooling roots.
The Hidden Performance Costs of Popular .NET Libraries
A look at hidden library costs that’s worth reading before you add another dependency.
CQRS Pattern in .NET with MediatR — A Complete Guide
A CQRS and MediatR guide that covers the command/query split in practical .NET terms.
What Are DTOs in ASP.NET Core and Their Benefits
DTOs in ASP.NET Core, with a clear reminder that shape matters for security and performance.
Visual Studio 2026! with Mads Kristensen
Visual Studio 2026 gets a spotlight with Mads Kristensen, so expect IDE direction straight from the source.
.NET10 What You Need To Know (LTS Release, Coming November 2025)
A preview of .NET 10 LTS that helps you plan adoption before November lands.
Performance Improvements in .NET 10
Microsoft’s .NET 10 performance post is the kind of release-note reading that can change implementation choices.
From Zero to Hero in .NET Core: A Beginner’s Step-by-Step Guide
A beginner-friendly .NET Core guide that leans into async/await and early learning milestones.
Fast Excel Template Replacement in .NET — OpenXmlSdk vs ClosedXML
OpenXMLSdk versus ClosedXML for Excel templates, with benchmarks that make the trade-offs concrete.
Top 12 Essential C# Code Snippets for ASP.NET and .NET Developers (Ultimate Guide
A snippet roundup for ASP.NET and .NET devs who like ready-made patterns.
.NET Mastery: 40+ Essential Practices for Clean, Secure, and Scalable Code
A broad “mastery” article that mixes DI, security, and scalable-code advice without pretending architecture is simple.
2 months of lazy debugging JsonSerializationException and finally it was equality comparison
A painful JsonSerializationException story that reminds me debugging often beats assumptions.
HTML Tag Helpers vs. Tag Helpers in ASP.NET Core
Tag Helpers versus HTML tag helpers is a terminology fix that can save newcomers a lot of confusion.
Modern C# Span Magic: High-Perf APIs Without GC Spikes
Span
Layered Architecture vs Clean Architecture in .NET
Layered versus Clean Architecture gives a useful contrast for teams deciding how much structure they really need.
5 Async C# Tricks That Separate Juniors from Seniors
Async tricks for C# that separate experience from habit, especially around responsiveness.
Language Model Chat Provider (aka BYOK) API with Logan Ramos | VS Code Insiders Podcast ep. 4
The BYOK language-model provider talk hints at where VS Code extensibility and AI are heading.
In-Memory Cache vs Distributed Cache — Which One Powers Your System Better?
In-memory versus distributed cache is a classic comparison, but still one of the most consequential.
How does caching improve website performance?
A caching explainer aimed at website performance, with benefits that are easy to apply.
Security Headers Every ASP.NET Core App Should Have
Security headers for ASP.NET Core round out the issue with practical hardening advice.