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Newsletter Archive

143 issues published — browse all past content by date.

2026

September

Entity Framework

Postgres Row-Level Security with EF Core: Multi-Tenant Isolation

Sep 28 2026
AI Tools

Your .NET API Doesn't Need a Vector Database Anymore: Vector Search with EF Core 10 and SQL Server 2025

Sep 21 2026
APIs

When Retries Make the Outage Worse: Resilience Done Right in .NET

Sep 13 2026
APIs

Request Timeouts in ASP.NET Core: Stop Endpoints From Hanging Forever

Sep 05 2026

August

Performance

Streaming JSON in .NET 11 with JSON Lines

Aug 31 2026
.NET

Implementing the Saga Pattern With Wolverine (+Postgres)

Aug 17 2026
AI

Build an MCP Server in .NET: Let Claude Call Your Own Code

August 9 2026
AI

Refactor Legacy .NET with Claude: A Test-First Workflow

August 9 2026
Performance

Hunting a Memory Leak in Production .NET: A Three-Day War Story

August 3 2026

July

AI

Claude Code for .NET: Setup, CLAUDE.md, Skills and Agents

Jul 27 2026
Architecture

Producer-Consumer in .NET with System.Threading.Channels

July 20 2026
Performance

Rate Limiting in ASP.NET Core Without a Library: The Built-in RateLimiter

July 12 2026
Performance

Cancellation Tokens in ASP.NET Core: The Mistakes That Quietly Break Them

July 8 2026

June

Architecture

Keyed Services in .NET: Dependency Injection When One Interface Has Many Implementations

Jun 27 2026
AI Tools

AI Code Review for .NET: Security and EF Core Agents

Jun 22 2026
Architecture

Capacity Planning for .NET APIs: From Guessing to Measured Scaling

June 15 2026

May

Entity Framework

Temporal Tables with Entity Framework Core: Complete Guide to Auditing Data Changes

May 31 2026
AI

Build a C# MCP Server for .NET API Performance Testing

May 14 2026
Architecture

Monolith to Modular Monolith to Microservices at 100k Users: A Pragmatic .NET Architecture Evolution

May 11 2026
Architecture

What Breaks First at 10k Concurrent Connections in ASP.NET Core

May 04 2026

April

.NET

Outbox Pattern in .NET

April 27 2026
Design Patterns

Interpreter Pattern in .NET

April 22 2026
Design Patterns

Abstract Factory Pattern in .NET

April 21 2026
.NET

Better Error Handling in .NET using ProblemDetails

April 21 2026
Design Patterns

Bridge Pattern in .NET

April 21 2026
Design Patterns

Builder Pattern in .NET

April 21 2026
Design Patterns

Command Pattern in .NET

April 21 2026
Design Patterns

Composite Pattern in .NET

April 21 2026
Design Patterns

Decorator Pattern in .NET

April 21 2026
Design Patterns

Facade Pattern in .NET

April 21 2026
Design Patterns

Factory Method Pattern in .NET

April 21 2026
Design Patterns

Flyweight Pattern in .NET

April 21 2026
Design Patterns

Iterator Pattern in .NET

April 21 2026
Design Patterns

Mediator Pattern in .NET

April 21 2026
Design Patterns

Memento Pattern in .NET

April 21 2026
Design Patterns

Observer Pattern in .NET

April 21 2026
Design Patterns

Prototype Pattern in .NET

April 21 2026
Design Patterns

Proxy Pattern in .NET

April 21 2026
Design Patterns

State Pattern in .NET

April 21 2026
Design Patterns

Template Method Pattern in .NET

April 21 2026
Design Patterns

Visitor Pattern in .NET

April 21 2026
.NET

Why You Need API Versioning in ASP.NET Core (.NET 10)

Apr 11 2026
.NET

Building Resilient APIs in ASP.NET Core

Apr 08 2026
.NET

Aspire for Beginners - Build and Run Distributed Applications

Apr 07 2026

March

.NET

High-Throughput Real-Time Data with BoundedChannel and SignalR

March 31 2026
.NET

Build Your Own MediatR: A Lightweight Handler Pipeline in ASP.NET Core

March 27 2026
Design Patterns

Adapter Pattern in .NET: How to Simplify Third-Party Integrations (Real-World Example)

March 23 2026

February

.NET

Server-Sent Events in .NET 10 - Real-Time Streaming in .NET

Feb 23 2026
.NET

Architecture Tests in .NET: Enforce Clean Architecture with NetArchTest

February 17 2026
.NET

How to Migrate a WinForms Application to the Web Without a Full Rewrite

Feb 16 2026
.NET

How to Monitor .NET Applications in Production with Health Checks, Prometheus, and Grafana

Feb 11 2026
.NET

Job Scheduling with Coravel

Feb 02 2026

January

.NET

How to Run .NET 10 with Docker and Traefik (Real-World Setup)

Jan 26 2026
Entity Framework

5 EF Core Query Techniques I Use in Every .NET 10 Project

Jan 19 2026
Entity Framework

EF Core Interceptors in .NET

January 12 2026

2025

December

.NET

Feature Flags without redeploying: what people usually get wrong in .NET

December 23 2025
.NET

A Friendly Introduction to NATS: Real-Time Messaging for .NET Developers

December 15 2025
.NET

Mastering Directory.Build.props in .NET

December 08 2025
.NET

Dual-Key Redis Caching in .NET

December 01 2025

November

Entity Framework

Native LeftJoin and RightJoin LINQ Operators in .NET 10 - Finally!

November 18 2025
.NET

Bullet-Proof .NET CI on GitHub

November 10 2025

October

Entity Framework

Dynamic LINQ that still executes as real LINQ

October 18 2025

September

Entity Framework

Managing EF Core DbContext Lifetime (Without Shooting Yourself in the Foot)

September 16 2025
.NET

Intro to Uno Platform - Cross-Platform C# Development

September 08 2025

August

APIs

Refit - The .NET Rest API you should know about

August 12 2025
Entity Framework

How I fixed a heavy database sync operation with Dapper Plus

August 06 2025

July

APIs

Building Clean & Minimal .NET APIs with Carter

July 29 2025
Entity Framework

Building a PostgreSQL EF Core Model Using Entity Developer

July 15 2025
.NET

Messaging in .NET with Redis

July 07 2025
CSharp

Deep dive into Source Generators

July 1 2025

June

.NET

RabbitMQ in .NET from Scratch

June 16 2025
.NET

Generate PDF Invoices from HTML using IronPDF

June 09 2025
.NET

Building a High-Performance Import Feature with Dapper Plus

June 02 2025

May

APIs

Building API with Carter Library in .NET

May 26 2025
Entity Framework

Speed Up Your EF Core Apps with Entity Framework Extensions - preview

May 12 2025

April

APIs

Top 5 Mistakes Developers Make When Building APIs (and How to Avoid Them)

Apr 29 2025
CSharp

.NET 10 Extension

Apr 15 2025
.NET

MediatR Alternative - Wolverine

Apr 08 2025

March

APIs

Building a Custom GraphQL Query Builder in .NET 9

Mar 31 2025
APIs

Response Compression in ASP.NET

Mar 24 2025
.NET

How to send email in 5min with FluentEmail?

Mar 17 2025
AI

RAG in .NET with C#, Ollama and PostgreSQL pgvector

Mar 10 2025

February

AI

Semantic Search in .NET with Microsoft.Extensions.AI

Feb 24 2025
Entity Framework

Discriminator Column in EF Core: A Quick Guide

Feb 17 2025
.NET

How to use MediatR Notifications

Feb 10 2025
.NET

Debug and Test Multi-Environment Postgres Db in .NET with Aspire + Neon

Feb 03 2025

January

.NET

Getting Started with OpenTelemetry in .NET

Jan 21 2025
.NET

Saga Orchestration Pattern

January 13 2025

2024

December

.NET

.NET 9 - New LINQ Methods

Dec 16 2024
.NET

HybridCache in ASP.NET Core - .NET 9

Dec 08 2024

November

Design Patterns

Chain of Responsibility Pattern in .NET

Nov 25 2024
CSharp

Exploring C# 13

Nov 23 2024
Azure

Feature Flags in .NET 8 with Azure Feature Management

Nov 18 2024
Azure

Securing Secrets in .NET 8 with Azure Key Vault

Nov 04 2024

October

CSharp

LINQ Performance Optimization Tips & Tricks

Oct 28 2024
.NET

Using Singleton in Multithreading in .NET

Oct 08 2024

September

CSharp

How to create .NET Custom Guard Clause

September 30 2024
.NET

How to implement CQRS without MediatR

September 24 2024
Entity Framework

4 Entity Framework Tips to improve performances

September 16 2024
APIs

REPR Pattern - For C# developers

September 2 2024

August

CSharp

6 ways to eleveate your 'clean' code

August 22 2024
APIs

3 Tips to Elevate your Swagger UI

August 10 2024
.NET

Memory Caching in .NET

August 10 2024
.NET

Solving HttpClient Authentication with Delegating Handlers

August 10 2024

July

Design Patterns

Strategy Design Pattern will help you refactor code

July 11 2024
Security

How to implement API Key Authentication

July 04 2024

June

.NET

Live loading appsettings.json configuration file

June 10 2024
.NET

Retry Failed API calls with Polly

June 03 2024

May

.NET

How and why I create my own mapper (avoid Automapper)?

May 27 2024

April

.NET

The ServiceCollection Extension Pattern

Apr 08 2024
CSharp

3 things you should know about Strings

Apr 01 2024

March

APIs

Api Gateways - The secure bridge for exposing your api

Mar 25 2024
CSharp

5 cool features in C# 12

Mar 18 2024
Security

Allow specific users to access your API - Part 2

Mar 11 2024
Security

Allow specific users to access your API - Part 1

Mar 04 2024

January

APIs

API Gateway with Ocelot

Jan 29 2024
APIs

Health Checks in .NET 8

Jan 08 2024
.NET

MediatR Pipeline Behavior

Jan 1 2024

2023

December

.NET

Getting Started with PLINQ

Dec 25 2023
APIs

Get Started with GraphQL in .NET

Dec 18 2023
.NET

Better Error Handling with Result<T> object

Dec 11 2023
.NET

Background Tasks in .NET 8

Dec 04 2023

November

Entity Framework

Improve EF Core Performance with Compiled Queries

Nov 20 2023
.NET

How do I implement a workflow using a .NET workflow engine?

Nov 13 2023

October

.NET

Compile-time logging source generation for highly performant logging

Oct 30 2023
.NET

Background tasks and how to use them. Stale Cache example in C#

Oct 23 2023
APIs

Unlock the Power of High-Performance Web Applications with gRPC

Oct 16 2023
.NET

Using CORS in your applications

Oct 9 2023
.NET

HashIDs. What are they, and why should we use them?

Oct 02 2023

September

.NET

Benchmarking in .NET Step by step

Sep 25 2023
.NET

How do I create Middleware? And what are the alternatives?

Sep 18 2023

August

.NET

Real-Time applications with SignalR

Aug 21 2023

May

.NET

Structured Logging with Serilog

May 15 2023

April

.NET

SOLID Principles in .NET

Apr 24 2023
.NET

Jobs in .NET with Hangfire

Apr 17 2023
Security

Make your .NET application secure

Apr 10 2023
.NET

How to put localhost online in Visual Studio?

Apr 3 2023

March

.NET

How to implement a Rate Limiter in C#

March 27 2023
CSharp

Clean Code - Best Practices

March 20 2023
.NET

SAGA Implementation in C#

March 13 2023
APIs

GitHub Webhook with C#

March 06 2023

February

AI

ChatGPT in C#: A Legacy OpenAI Integration Example

February 20 2023
CSharp

4 methods to handle Nullable Reference in .NET

February 13 2023