Recent Posts

Running Kotlin in Azure Functions

A while back, the Azure folks announced support for Java on Azure Functions. My immediate thought was: “Do they mean Java or JVM? And if they mean JVM, will it work with Kotlin?” In this blog post, we’ll find out! Read more »

On speaker life…

Last week, I did a tweet while at the Paris Charles de Gaulle airport, working on blog posts (part of my job) and drinking bad coffee. Read more »

Building a scheduled task in ASP.NET Core/Standard 2.0

In this post, we’ll look at writing a simple system for scheduling tasks in ASP.NET Core 2.0. That’s quite a big claim, so I want to add a disclaimer: this system is mainly meant to populate data in our application’s cache in the background, although it can probably be used for other things as well. It builds on the... Read more »

Using dotPeek to figure out why IIS crashed

Here’s a story on how I once used dotPeek to provide debugger symbols and (decompiled) source code for a crashed application for which we had nothing but the application assemblies available. Namespaces have been altered to protect the innocent. Read more »

Application Insights telemetry processors

Two weeks ago I had a wonderful experience speaking at a small conference in Finland. The talk was titled What is going on - Application diagnostics on Azure (slides) and focused on the importance of semantic logging and how Azure Application Insights (AppInsights) can help make sense of that data and correlate it w... Read more »

Exploring .NET managed heap with ClrMD

Since my posts on making code allocate less memory and memory allocation for strings were quite well received, I decided to add another post to the series: Exploring .NET managed heap with ClrMD. In this post, we’ll explore what is inside .NET’s managed heap (you know, the thing where we alocate our objects), how it... Read more »

Exploring memory allocation and strings

A while back, I wrote about making code allocate less memory (go read it now if you haven’t). In that post, we saw how the Garbage Collector works and how it decides to keep objects around in memory or reclaim them. There’s one specific type we never touched on in that post: strings. Why would we? They look like val... Read more »