Uninstall-Package Microsoft.AspNet.SignalR -RemoveDependencies

 Install-Package Microsoft.AspNet.SignalR

 <script src="Scripts/jquery.signalR-2.0.0.min.js"></script>

 protected void Application_Start(object sender, EventArgs e)
{
   //RouteTable.Routes.MapHubs();
}

using Microsoft.Owin;
using Owin;

[assembly: OwinStartup(typeof(SignalRChat.Startup))]
namespace SignalRChat
{   
    public class Startup
    {
        public void Configuration(IAppBuilder app)
        {
            app.MapSignalR();
        }
    }
}

Issues fixed in Visual Studio 2019 version 16.0.4

• Attach to iis prompt to attach multiple times.
• WPF applications broken after FW 4.8 update.
• installing typescript 3.3 disables version 2.2 compilation.
• Unable to attach debugger when attaching multiple startup projects on Visual Studio 2019.
• Known issue: Application tab of VB project property pages is broken when isntalling the .NET Framework 4.8 Developer Pack.
• Visual Studio extensions may fail to install attempting to overwrite core NuGet files.
• microsoft.diagnosticshub.dotnetobjectalloc.vsix missing from offline installer.

Security Advisory Notices

CVE-2019-0727 Diagnostics Hub Standard Collector Service Elevation of Privilege Vulnerability

An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector Service improperly performs certain file operations. An attacker who successfully exploited this vulnerability could delete files in arbitrary locations. To exploit this vulnerability, an attacker would require unprivileged access to a vulnerable system. The security update addresses the vulnerability by securing locations the Diagnostics Hub Standard Collector performs file operations in. 

PM> Install-Package Microsoft.AspNet.Web.Optimization

PM> Update-Package

PM> Update-Package

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Code Analysis - Build and Deploy Libraries with Integrated Roslyn Code Analysis to NuGet

In this episode, Robert is joined by Paul Litwin, who shows us how to get started with Git in under an hour. Git is a free, open source and quite popular distributed version control system designed to handle everything from small to very large projects with speed and efficiency. Starting with the command line and ending up in both VS Code and Visual Studio, Paul takes us on a tour of the how you can use Git to manage your source code.