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Latest from Feidie Network

7 recent articles

Feidie Network

Oct 19, 2026 · Backend Development

EF Core Deep Dive: Change Tracking, Query Optimization, Concurrency & Migration Strategies

This comprehensive guide explores EF Core's ChangeTracker internals, performance optimization techniques including AsNoTracking and compiled queries, optimistic concurrency with Timestamp tokens, production migration strategies using SQL scripts and bundles, and previews EF Core 10 LTS features like vector search and JSON support.

Backend DevelopmentChangeTrackerConcurrency Control

0 likes · 19 min read

EF Core Deep Dive: Change Tracking, Query Optimization, Concurrency & Migration Strategies

Feidie Network

Oct 18, 2026 · Backend Development

Observability Essentials: Three Pillars, Structured Logging, Distributed Tracing & Health Checks

Explores observability fundamentals including its three pillars (logs, metrics, tracing), structured logging with Serilog message templates, OpenTelemetry distributed tracing with W3C TraceContext propagation, ASP.NET Core health checks for Kubernetes liveness/readiness probes, and production monitoring architecture with correlation, standardization, sampling, and alerting strategies.

Kubernetesaspnet-coredistributed-tracing

0 likes · 27 min read

Observability Essentials: Three Pillars, Structured Logging, Distributed Tracing & Health Checks

Feidie Network

Oct 13, 2026 · Backend Development

Mastering ASP.NET Core Configuration System and Options Pattern: Sources, Priority, and Hot Reloading

This article provides a comprehensive deep dive into ASP.NET Core's configuration system, covering multi-source configuration priority merging, flattened key-value representation, the three Options pattern interfaces (IOptions, IOptionsSnapshot, IOptionsMonitor) with their lifecycle and hot-reload behaviors, custom configuration provider implementation, and common pitfalls like captive dependencies and silent binding failures.

ASP.NET CoreConfigurationCustom Configuration Provider

0 likes · 17 min read

Mastering ASP.NET Core Configuration System and Options Pattern: Sources, Priority, and Hot Reloading

Feidie Network

Oct 11, 2026 · Backend Development

Deep Dive into .NET Core DI Container: Lifecycles, Captive Dependency & Autofac

This article analyzes .NET Core's built-in DI container, explaining Transient, Scoped, and Singleton lifecycles with underlying mechanisms, demonstrates Captive Dependency pitfalls and three resolution strategies, compares built-in DI with Autofac's advanced features, and provides a selection decision matrix.

.NET CoreAutofacCaptive Dependency

0 likes · 23 min read

Deep Dive into .NET Core DI Container: Lifecycles, Captive Dependency & Autofac

Feidie Network

Oct 10, 2026 · Backend Development

ASP.NET Core Middleware Pipeline: Delegates, Short-Circuiting & Execution Order

This article dissects the ASP.NET Core request pipeline, explaining how middleware delegates form a chain of responsibility, the three registration methods (Use, Run, Map), bidirectional request/response flow, short-circuiting for performance, critical ordering rules, and dependency injection patterns for custom middleware.

ASP.NET CoreAuthenticationAuthorization

0 likes · 15 min read

ASP.NET Core Middleware Pipeline: Delegates, Short-Circuiting & Execution Order

Feidie Network

Oct 10, 2026 · Fundamentals

C# Deep Dive: Type System, Generics, Async & Compiler Internals

This article provides a comprehensive deep dive into C# internals, covering the type system (value vs reference types, boxing, string immutability), OOP pillars, generics with covariance/contravariance, delegates/events, lambda/LINQ deferred execution, async/await state machines and synchronization context, reflection performance, Span/Memory zero-allocation patterns, and source generators for compile-time metaprogramming.

Async/AwaitC++Generics

0 likes · 20 min read

C# Deep Dive: Type System, Generics, Async & Compiler Internals

Feidie Network

Oct 10, 2026 · Backend Development

CLR Runtime Deep Dive: Execution Model, Memory Layout, GC & Native AOT

This article provides a comprehensive analysis of the .NET CLR runtime, covering the execution model from CIL to native code, tiered compilation, object memory layout with object headers and method tables, assembly loading via AssemblyLoadContext, Native AOT compilation benefits and limitations, exception handling mechanisms, generational garbage collection, and memory diagnostic tools.

Assembly LoadingCLRGarbage Collection

0 likes · 23 min read

CLR Runtime Deep Dive: Execution Model, Memory Layout, GC & Native AOT