Could not load file or assembly 'Mindscape.Raygun4Net, Version=5.0.2.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies Jun 3, 2015

After updating nuget packages in a solution I received the following error:

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Unable to start debugging on the web server. The underlying connection was closed: An unexpected error occurred on a send. May 15, 2015

Today I received the following error when trying to start debugging on a web site in Visual Studio 2013:

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Azure Search (search.windows.net) No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin is therefore not allowed access. The response had HTTP status code 400. Dec 3, 2014

When using Azure Search you may come across the following error when trying to reach the api

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Web Api 2, OWIN and StructureMap Oct 15, 2014

Add the following code to your startup file:

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IDX10708: 'System.IdentityModel.Tokens.JwtSecurityTokenHandler' cannot read this string: 'Bearer'. Oct 8, 2014

Today I got the following message when trying to send the rawData of a JwtSecurityToken I had created manually:

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Nuget Push failed to process request System.Net.HttpWebRequest.GetResponse() Sep 24, 2014

When trying to push a NuGet package to our new local NuGet repository we recieved the following error:

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ADFS 3.0 WIF .NET 4.5 Cheat Sheet Sep 20, 2014

After wrestling with ADFS 3.0 and WIF in .NET 4.5 I decided to create this cheat sheet to map the numerous mixed terms that exist between ADFS and WIF.  

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SharePoint 2013 Error occurred in deployment step 'Activate Features': Column 'WSPublishState' does not exist. It may have been deleted by another user. Aug 26, 2014

After following this tutorial on How to Create Custom SharePoint Server 2013 Workflow Forms with Visual Studio 2012 Sand-boxed Solutions I received the following error:

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Error occurred in deployment step 'Install app for SharePoint': There is no Workflow App Part registered. Aug 25, 2014

When trying to deploy a SharePoint hosted custom workflow I received the following error:

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Disabling Roslyn Compiler Preview Not Working Apr 7, 2014

After installing the Roslyn preview we found that when switching back to the standard compiler by going to tools | extensions and updates | Roslyn Preview | Disable was being ignored.

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