Add Distributed Tracing to C# Apps with OpenTelemetry
OpenTelemetry is the standard for generating and collecting telemetry data, and it's becoming the go-to for adding distributed tracing to your C# applic.
Csharp Articles
50 articles
Configure C# Apps Cleanly with the Options Pattern
Configure C# Apps Cleanly with the Options Pattern — The Options pattern in .NET is often presented as a way to load configuration from appsettings.json,.
Advanced C# Pattern Matching: Switch Expressions, Positional, and Guards
C# pattern matching isn't just about switch statements anymore; it's evolved into a powerful expression that can dramatically simplify complex condition.
Optimize C# Performance with PGO and AOT Compilation
Profile-Guided Optimization PGO and Ahead-of-Time AOT compilation can dramatically boost C# application performance, but they fundamentally alter how yo.
Add Retry, Circuit Breaker, and Timeout to C# Apps with Polly
Add Retry, Circuit Breaker, and Timeout to C# Apps with Polly — Polly is a .NET resilience and transient-fault-handling library that allows developers t...
Implement Rate Limiting in ASP.NET Core Middleware
Implement Rate Limiting in ASP.NET Core Middleware — ASP.NET Core's built-in rate limiting middleware is actually a sophisticated policy engine that allo.
Use C# Records for Immutable Value Objects and DTOs
C# records are a language feature that lets you declare types that are primarily about holding data, and the compiler generates a bunch of boilerplate c.
Eliminate Heap Allocations in C# with ref struct and stackalloc
ref struct and stackalloc are your secret weapons for obliterating heap allocations in C#, leading to significantly faster and more memory-efficient cod.
Replace Reflection with C# Source Generators for Zero-Cost Abstraction
C# Source Generators let you eliminate reflection-based metaprogramming by generating code at compile time, effectively giving you zero-cost abstraction.
Secure C# ASP.NET Apps Against OWASP Top 10 Vulnerabilities
Secure C# ASP.NET Apps Against OWASP Top 10 Vulnerabilities — ASP.NET applications, by default, are not inherently secure against the OWASP Top 10. Let'...
SemaphoreSlim vs Mutex vs lock in C#: Choose the Right Primitive
SemaphoreSlim and Mutex are fundamentally different in how they manage access, with lock being a syntactic sugar for a specific implementation of mutual.
Scale C# SignalR to Multiple Servers with Redis Backplane
The most surprising thing about scaling SignalR across multiple servers isn't just that it works, it's how little of your existing SignalR code you actu.
Write C# Source Generators That Generate Boilerplate at Compile Time
Source Generators let you write C# code that runs during compilation, inspecting your existing code and producing new C# code that gets compiled along w.
Write Zero-Allocation C# Code with Span<T> and Memory<T>
Span<T> and Memory<T> let you work with contiguous memory without allocating new objects, but their real magic is in how they force you to think about m.
Optimize C# String Handling with Interning and StringBuilder
C# string interning is a performance optimization that can significantly speed up string comparisons and reduce memory usage by ensuring that only one c.
Unit Test C# Code with Moq and NSubstitute
Unit Test C# Code with Moq and NSubstitute — practical guide covering csharp setup, configuration, and troubleshooting with real-world examples.
Use unsafe Code and Pointers in C# for Performance-Critical Paths
Use unsafe Code and Pointers in C# for Performance-Critical Paths — practical guide covering csharp setup, configuration, and troubleshooting with real-...
ValueTask vs Task in C#: Reduce Allocations in Hot Paths
ValueTask vs Task in C#: Reduce Allocations in Hot Paths — practical guide covering csharp setup, configuration, and troubleshooting with real-world exa...
Deploy C# Worker Services to Production with Docker and Kubernetes
Deploying C# Worker Services to production with Docker and Kubernetes isn't about just getting your app running; it's about building a resilient, scalab.
Zero-Downtime Deployments for C# ASP.NET Apps
Zero-Downtime Deployments for C# ASP.NET Apps — Zero-downtime deployments for C# ASP.NET apps are surprisingly achievable by treating your applicati.
How C# async/await Works: State Machine Internals Explained
The async/await keywords in C# don't magically make code run on a separate thread; they transform your method into a state machine.
Profile and Benchmark C# Code with BenchmarkDotNet
Profile and Benchmark C# Code with BenchmarkDotNet — BenchmarkDotNet is the de facto standard for benchmarking .NET code, but its real power lies in its .
Blazor WebAssembly vs Server: Choose the Right Hosting Model
Blazor WebAssembly and Blazor Server are two distinct hosting models for Blazor applications, and picking the right one is less about "better" and more .
Use CancellationToken Correctly in C# Async Code
CancellationToken is the unsung hero of robust C# asynchronous programming, and most developers treat it like a simple flag that stops a task – it's act.
Build Producer-Consumer Pipelines in C# with System.Threading.Channels
Build Producer-Consumer Pipelines in C# with System.Threading.Channels — The System.Threading.Channels API allows you to build asynchronous producer-con...
Dapper vs EF Core: Choose the Right ORM for Your C# App
Dapper is a micro-ORM that maps query results to objects, while EF Core is a full-featured ORM that allows you to work with your database using LINQ and.
How .NET Dependency Injection Works Internally
How .NET Dependency Injection Works Internally — Dependency injection is the secret sauce that makes your .NET applications flexible, but it's not ab.
Containerize C# .NET Apps for Production with Docker
Containerize C# .NET Apps for Production with Docker — You can run C# .NET apps in production using Docker, but the real magic isn't just packaging; it'...
Implement Domain-Driven Design Patterns in C#
Domain-Driven Design DDD isn't just about organizing your code; it's about building software that truly reflects the complex realities of the business i.
Fix EF Core Performance Pitfalls That Slow Down C# Apps
Fix EF Core Performance Pitfalls That Slow Down C# Apps — EF Core intermittently throws System.Data.SqlClient.SqlException with error code 8629 and the ...
Implement Event Sourcing in C# with an Event Store
Event sourcing means storing every change to your application's state as a sequence of immutable events, rather than just the current state.
Build Dynamic Queries in C# with Expression Trees
Expression trees let you build C# code as data structures, which is surprisingly powerful for generating dynamic queries.
Speed Up Read-Only Lookups in C# with FrozenDictionary
FrozenDictionary is a specialized dictionary type in C# that offers significant performance improvements for read-only scenarios.
C# Generics Deep Dive: Constraints, Variance, and Type Safety
C# generics are a lot more powerful and subtle than just making a List<T> work for any T. Let's see some code, not just talk about it
Build Production gRPC Services in C# with .NET
gRPC services can be surprisingly slow if you don't configure HTTP/2 correctly, even though it's the protocol they rely on.
Run Background Jobs in C# with IHostedService and BackgroundService
Run Background Jobs in C# with IHostedService and BackgroundService — practical guide covering csharp setup, configuration, and troubleshooting with rea...
How C# Hot Reload Works and Its Limitations in Production
C# Hot Reload doesn't actually replace your running code; it injects new IL instructions into the executing method, all while the original method's stac.
Stream Data Asynchronously in C# with IAsyncEnumerable
IAsyncEnumerable is C#'s answer to streaming data asynchronously, and the most surprising thing about it is that it doesn't actually stream data itself;.
Call Native Libraries from C# with P/Invoke
P/Invoke is how C# talks to native code, but it's not a simple function call; it's a full-blown inter-process communication mechanism with its own marsh.
C# Senior Engineer Interview Questions and Answers
C# Senior Engineer Interview Questions and Answers — practical guide covering csharp setup, configuration, and troubleshooting with real-world examples.
Add Kubernetes Health Checks to C# ASP.NET Apps
Add Kubernetes Health Checks to C# ASP.NET Apps — Kubernetes health checks in C# ASP.NET apps aren't just about knowing if your app is running, they'r.
How C# LINQ Deferred Execution Works Under the Hood
LINQ's deferred execution means your query doesn't actually run until you iterate over the results, which can be a huge performance win or a baffling so.
Structured Logging in C# with ILogger and Serilog
Structured logging in C# isn't about making your logs look pretty; it's about turning them into searchable, queryable data that machines can understand.
Implement CQRS in C# with MediatR
CQRS isn't just about separating reads from writes; it's about acknowledging that different operations have fundamentally different needs in terms of pe.
Find and Fix Memory Leaks in C# with Heap Dumps and dotnet-trace
A C# memory leak happens when your application keeps holding onto objects it no longer needs, preventing the garbage collector from reclaiming that memo.
C# Memory Management: CLR, GC, and What Causes OOM
C# Memory Management: CLR, GC, and What Causes OOM — practical guide covering csharp setup, configuration, and troubleshooting with real-world examples.
How the ASP.NET Core Middleware Pipeline Processes Requests
How the ASP.NET Core Middleware Pipeline Processes Requests — The ASP.NET Core middleware pipeline doesn't just process requests; it is the request proc...
Minimal APIs vs Controllers in .NET: Choose the Right Approach
Minimal APIs are often seen as just a simpler way to write controllers, but they're actually a fundamentally different architectural choice that can lea.
Compile C# .NET 8 Apps to Native with AOT for Faster Startup
Compile C# .NET 8 Apps to Native with AOT for Faster Startup — C#/.NET 8 apps can launch almost instantly, even before your coffee is brewed, by compili...
Migrate a C# Codebase to Nullable Reference Types
Migrate a C# Codebase to Nullable Reference Types — practical guide covering csharp setup, configuration, and troubleshooting with real-world examples.