Contributions

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Get help debugging System.NullReferenceException. The post will teach common solutions for both identifying and fixing causes of a NullReferenceException.
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When starting to work with Entity Framework and SQL Server, you often run into the same errors. Sometimes these errors are caused by missing permissions for the database connection, and sometimes it's caused the way that the database is accessed. In this article, we will go through some of the most common errors and some of the possible ways these errors could be fixed.
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.NET offers an extended set of APIs to write content to a file. In this post I will list and compare the possibilities, showing you the best ways in 2019.
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Five best practices that will make you an absolute pro when working with exceptions. Make sure not to make these common mistakes when writing C#.
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Learn how to configure IIS to allow both long URLs as well as long query strings. Without it, your web server may return 404s to your users.
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The aim of this post is to teach you how to implement Identity Authentication & Authorization with OAuth, Facebook and ASP.NET Core 3.0.
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In this article, you will learn how to save bandwidth and convert png and jpg images to Google's WebP format using ImageProcessor and ASP.NET Core.
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Learn every detail about multiple Web.config files in the same project and how to utilize the location element to support per file/directory configuration.
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This post is an overview of .NET tools I've built and a bit of history behind each tool. Learn more about the Web.config validator and XDT transform tester.
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A great way to learn the newest technology available in .NET is through live coding sessions. You can find a lot of streams on both Twitch and YouTube.
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IIS rewrite rules is a powerful feature that enables redirect www to non-www, non-www to www, force HTTPS, and much more. This post will teach you how.
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Test your XDT transformation files against the original Web.config file. The only online tool that shows you the diff of your changes directly in your browser.
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The best tutorial for web.config/app.config transformations. Learn the syntax and how to test it. Included are also examples like replacing appSettings.
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Learn how to debug System.AccessViolationException when calling C++ code from C#, with unhandled errors in IIS modules and from the WebBrowser control.
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Learn everything about how to debug async errors in C# like: Exception thrown System.AggregateException in mscorlib.dll - a task was canceled.
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Learn everything there is to know about connection strings in web.config. From setting up SQL Server using Windows Authentication to password encryption.
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In this tutorial I will tell you about logging in C#, how to create log4net configuration, explaining log levels, and examples with different appenders.
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Possible causes and fixes of the System.UnauthorizedAccessException. Continue reading to learn about IO errors when dealing with files or setting up IIS.
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Learn everything you need to know about showing custom error pages in ASP.NET and MVC using the customErrors element in your web.config file.
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Serilog and log4net are popular choices when choosing a logging framework in .NET. Read this guide to learn all about each framework and what to pick.
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Accepting payments through Stripe using ASP.NET Core is a perfect choice. Read through this post to get started fast and to learn about the pitfalls.
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FileNotFoundException isn't always as simple as it seems. Learn about the causes and fixes, including problems loading assemblies and IIS security issues.
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It's hard picking between Serilog and NLog. Both awesome .NET logging frameworks with a rich feature set. Read through this post to make the decision.
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The best guide to using ASP.NET Core User Secrets. Helps you keep those connection strings out of course control and enables per-developer settings.
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The complete guide to debugging System.OutOfMemoryException. In this post, I will show you how to use Perfmon and a profiler to track down slow methods.
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This post will show you how to utilize ASP.NET Core to specify individual settings per developer in your team, using appsettings and environment variables.
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A comparison between the top 6 most used continuous integration servers for building .NET projects. See the strengths and weaknesses of each product.
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Most conferences tape sessions and make them publicly available after the conference. This is a list of my favorite .NET, C# or Azure related talks.
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Get the full overview of how to implement health checks with ASP.NET Core 2.2. Health checks can help you monitor your websites and their dependencies.
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A list of podcasts containing information about .NET, Azure, C# and related Microsoft technologies. Get introduced to the 8 podcasts we are listening to.

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