Eelco Los

Eelco Los @eelcolos

About: Building tools & ideas that touch hearts and minds through creativity, innovation & community. Speaking & research-driven dev excite me.

Location:
Netherlands
Joined:
Apr 5, 2024

Eelco Los
articles - 13 total

Lessons learned implementing SCIM with Microsoft Entra and the SCIM Validator

Practical guidance, concurrency tips, and caching strategies for building an Entra-compatible SCIM implementation

Learn More 0 0Nov 28

Where coding agents excel (and where they don't)

My hands-on experiences with Copilot coding agents, plus the latest GitHub Universe 2025 updates: Agent HQ steering, copilot-setup-steps.yml, and managing copilot environments and secrets.

Learn More 1 2Nov 6

Why Your ASP.NET Core LogLevel 'Warning' Still Sends Information Logs to Application Insights

Understanding the mismatch between ILogger log levels and Application Insights SeverityLevels and how to make your filters stick.

Learn More 1 0Sep 29

Using FakeLoggerProvider (and ILoggerFactory) in FastEndpoints

How to capture and assert all logs across categories using FakeLoggerProvider and an ILoggerFactory in FastEndpoints + xUnit tests.

Learn More 1 0Sep 5

Better ILogger testing in .NET

A practical guide to testing `ILogger<T>` in .NET with the new `FakeLogger`, including real examples.

Learn More 2 0Aug 22

Lessons Learned Shipping .NET Apps with Docker, Alpine, and Kubernetes

Real-world insights from building and deploying .NET apps using Docker, Alpine images, CI artifacts, and Kubernetes Helm charts—with security and performance in mind.

Learn More 5 2Jun 27

Practical Versioning Considerations for .NET APIs and Packages

Real-world versioning challenges in .NET development: from NuGet packages to API endpoints, and the subtle compatibility issues that can break your consumers.

Learn More 6 0Jun 2

Disabling ApplicationInsights' deprecated unload event listener in Angular

How to configure ApplicationInsights to avoid deprecated unload event listeners flagged by Lighthouse in modern Angular apps.

Learn More 1 0Apr 29

Correct Checkbox Setting After Handling CheckboxChanged in Angular with Signals

Fixing checkbox state issues in Angular when using signals.

Learn More 0 0Mar 31

QueueTriggers & Logic Apps with FastEndpoints

In this blog, I'd like to touch on some final steps regarding migrating to Minimal Api using...

Learn More 2 0Feb 28

Migrating Azure Event Grid to Minimal API with FastEndpoints

In my previous article, I described how to migrate HTTP calls to Minimal API using FastEndpoints....

Learn More 2 0Jan 30

Migrating Azure Function Calls to Minimal API with FastEndpoints

Azure Functions are a popular choice for building serverless, event-driven applications. However, as...

Learn More 7 0Nov 27 '24

Using Dependabot without triggering Workflow runs on default branch

⚠️ DISCLAIMER ⚠️: this way of using dependabot with the workflows is working on the time of writing...

Learn More 4 0Oct 31 '24