#dotnet Development Tutorials & Tips | Roast Dev

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Parallel Queries in EF Core with PostgreSQL: Why It Fails and How to Fix It

You may have faced an interesting error trying to run queries in parallel with EF Core and Postgres: "A command is already in progress" which isn't very specific but refers to parallel execution failu...

15.04.2025 0 Read More

Replace Twilio-based OTP (SMS login) system with Azure Active Directory (Azure AD)

Switching your .NET application from Twilio-based authentication (like SMS 2FA/OTP) to Active Directory authentication (either Azure AD or on-prem AD) involves replacing your current authentication me...

15.04.2025 0 Read More

Using GitHub Models with Semantic Kernel

I'm making a conscious effort to deepen my knowledge on Semantic Kernel, and I just want an easy way to access LLMs and SLMs without having to go through Azure OpenAI (and pay for it). GitHub Models p...

15.04.2025 0 Read More

Unit Test for MCP!

Imagine you have an MCP server; it's likely you'd want to create unit tests to ensure it functions as intended. In this post, I'll walk through how to write unit tests for MCP servers. We'll be testin...

15.04.2025 0 Read More

Why C# 12 is a Game-Changer for .NET Developers

Hey #dotnet community! 👋C# 12 isn’t just another incremental update—it introduces practical features that streamline how we write and maintain code. As someone who’s been working with C# for ...

15.04.2025 0 Read More

Remote Configuration and Feature Flags

Why redeploy when you can toggle like a boss? Why hardcode configs when you can change them live, 🧙‍♂️ 🔁 Feature Flags – flip features ON/OFF per user, per environment 📦 Remote Config...

16.04.2025 0 Read More

Enhancing SignalR with `HubFilter`: A Deep Dive into Custom Logic for Real-Time Applications*

SignalR has become one of the most popular libraries for real-time web communication in .NET. Whether you're building a chat application, a real-time dashboard, or a live notification system, SignalR ...

16.04.2025 0 Read More

Substituindo FluentAssertions por Shouldly em Projetos .NET

*Este é o segundo artigo da série sobre bibliotecas amplamente utilizadas no ecossistema .NET que deixaram — ou estão deixando — de ser open source. Neste artigo, vamos tratar especificamente d...

16.04.2025 0 Read More

Deploying .NET 8 Minimal APIs to Azure with CI/CD: A Step-by-Step Guide

In this post, we'll explore how to deploy your .NET 8 Minimal APIs to Azure using CI/CD pipelines. Leveraging automated deployment tools like GitHub Actions or Azure Pipelines can streamline your rele...

16.04.2025 0 Read More

💡 How Datadog Helps Developers & Teams

Datadog is more than just a monitoring tool — it’s a full-stack observability platform that empowers developers, DevOps engineers, SREs, and even business teams to monitor, debug, optimize, and se...

16.04.2025 0 Read More

Parallel Queries in EF Core with PostgreSQL: Why It Fails and How to Fix It

Replace Twilio-based OTP (SMS login) system with Azure Active Directory (Azure AD)

Using GitHub Models with Semantic Kernel

Unit Test for MCP!

Why C# 12 is a Game-Changer for .NET Developers

Remote Configuration and Feature Flags

Enhancing SignalR with `HubFilter`: A Deep Dive into Custom Logic for Real-Time Applications*

Substituindo FluentAssertions por Shouldly em Projetos .NET

Deploying .NET 8 Minimal APIs to Azure with CI/CD: A Step-by-Step Guide

💡 How Datadog Helps Developers & Teams

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