Category Archives: .NET Core

Add a UserAgent to the IHttpClientFactory in .NET Core

Posted on October 21, 2020 by

Using a IHttpClientFactory to create HttpClient connections have a number of advantages, as you can configure several httpclients on startup. Each client will be reused, including the properties attached to that client. In a previous post I showed how to … Continue reading →

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Sending JSON with .NET Core QueueClient.SendMessageAsync

Posted on October 16, 2020 by

You need to Base64 encode JSON serialized strings before adding them to a queue Continue reading →

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Run tasks in parallel using .NET Core, C# and async coding

Posted on September 11, 2020 by

If you have several tasks that can be run in parallel, but still need to wait for all the tasks to end, you can easily achieve this using the Task.WhenAll() method in .NET Core. Imagine you have this imaginary method … Continue reading →

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Using full Lucene Query Syntax in Azure Search

Posted on September 11, 2020 by

The Azure Cognitive Search is the search engine in Microsoft Azure. You can search using a simple queries (default) which is good at doing full text searches, or you can use full syntax which is a Lucene query syntax. The … Continue reading →

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C# Set local folder for .net Core Windows Services

Posted on June 17, 2020 by

When developing .NET Core Worker Services, you can allow the service to run as Windows Service: The side effect is that the root folder changes from the local folder to the System32 folder, which means that any log files that … Continue reading →

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Manipulating XML Google Merchant Data using C# and LINQ

Posted on May 29, 2020 by

Receiving a Google Merchant Data feed (also known as a Google Product Feed) can be fairly easily manipulated on import time using a little C# and LINQ. The feed is basically a XML RSS 2.0 feed with some added properties … Continue reading →

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C# Azure TelemetryClient will leak memory if not implemented as a singleton

Posted on May 7, 2020 by

I noticed that my classic .net web application would leak memory after I implemented metrics for some background tasks. Further investigation showed that my MetricAggregationManager would not release its memory. Since one of the major changes was the implementation of … Continue reading →

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Remove duplicates from XML feed

Posted on April 1, 2020 by

Apparently XML isn’t dead yet, and today I received a Google Product Feed in the RSS 2.0 XML format. The feed was full of duplicates and my job is to remove them: As you can see, “Product 100” appears twice. … Continue reading →

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HttpClient retry mechanism with .NET Core, Polly and IHttpClientFactory

Posted on March 25, 2020 by

A lot of HttpClient errors are temporary and is caused by server overload, temporary nerwork timeouts and generic gliches in the Matrix. These scenarios can be dealt with using a retry pattern. In .NET Core, the most common retry library … Continue reading →

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.NET Core Worker Services with Application Insights and Serilog

Posted on March 20, 2020 by

The .NET Core Worker service is yet another tool in the .NET toolbox. They are perfect for background processing like reading from a queue or making health checks. They are cross-platform (of course) and they can run on docker containers, … Continue reading →

Posted in .net, .NET Core, c# | Tagged , , , | 6 Comments