The In-process model of running Azure Functions is being retired in favor of the Isolated model in two years. A lot of components on elmah.io are running on Azure Functions. To ensure we are running on the most modern and supported platform (also in two years), we have spent ...
Thomas Ardal
Meet Thomas, the founder and developer behind elmah.io. Thomas blogs about everything technical from C# and ASP.NET Core to machine learning.
Lessons learned after migrating Azure Functions to Isolated Functions on .NET 8
"Secret" elmah.io features #5 - Breadcrumbs leading up to errors
It's time for a new post in the series about "secret" elmah.io features. This is the series where I highlight features that some of you may already know while others don't. For today's post, I want to highlight a feature that ...
Understanding the Exception.HResult property in C#
Since launching support for showing parsed HRESULT on the elmah.io UI, we have received a few questions about HRESULTs in general. While I understand that HRESULTs is probably not on everyone's radar, I think a general understanding will help with debugging. In this post, I'll ...
HTTP Error 500.19 - Internal Server Error
I was just asked how to troubleshoot an HTTP Error 500.19 - Internal Server Error when trying to launch an ASP.NET Core website on IIS. I have seen this error too many times for both ASP.NET and ASP.NET Core so decided to write a blog post ...
"Secret" elmah.io features #4 - Get help from AI and ChatGPT
In this fourth post in the series of "secret" elmah.io features, I want to introduce you to one of several AI features available on elmah.io. We have had machine learning features like automatic bot detection and spike identification for years. But a recent addition to the ...
Unit testing BlobServiceClient with Azure blobs and NSubstitute
I have blogged a whole lot about unit testing lately. Today's post is no exception. I recently migrated some of the last code we had running on the Microsoft.Azure.Storage.Blob package to Azure.Storage.Blobs. During that task, I had to rewrite some unit tests using ...
"Secret" elmah.io features #3 - Automate tasks with elmah.io CLI
In this third post in the series of "secret" elmah.io features, I want to introduce you to the elmah.io Command Line Interface (CLI). While you probably spend most of your elmah.io-related time inside the UI, the CLI offers some interesting possibilities not available through the ...
Mocking HttpClient requests for C# unit tests
Integrating with an external API is something that I do over and over again. While a lot of APIs have clients built specifically for .NET, spinning up a new HttpClient is at least a monthly pleasure. Calling an API using HttpClient is easy, but unit testing code using a HttpClient ...
"Secret" elmah.io features #2 - Correlate messages from apps
This is the second post in the series about "secret" elmah.io features. While reading the first post before this one is not required, I highly recommend you also check it out. In this post, I'll introduce you to the correlation features available in elmah.io. ...