// ...
using Microsoft.AspNetCore.SpaServices.ReactDevelopmentServer;

namespace dotnet_template_sample
{
    public class Startup
    {
        // ...

        public void ConfigureServices(IServiceCollection services)
        {

            services.AddControllersWithViews();

            // In production, the React files will be served from this directory
            services.AddSpaStaticFiles(configuration =>
            {
                configuration.RootPath = "ClientApp/build";
            });
        }

<ItemGroup>
   <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="3.1.2" />
</ItemGroup>

// ...
using Microsoft.AspNetCore.SpaServices.ReactDevelopmentServer;

namespace dotnet_template_sample
{
    public class Startup
    {
        // ...

        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            // ...
            app.UseStaticFiles();
            app.UseSpaStaticFiles();

            app.UseRouting();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllerRoute(
                    name: "default",
                    pattern: "{controller}/{action=Index}/{id?}");
            });

            app.UseSpa(spa =>
            {
                spa.Options.SourcePath = "ClientApp";

                if (env.IsDevelopment())
                {
                    spa.UseReactDevelopmentServer(npmScript: "start");
                }
            });
        }
    }
}

// replace
spa.UseReactDevelopmentServer(npmScript: "start");
// with
spa.UseProxyToSpaDevelopmentServer("http://localhost:3000");

  <Target Name="DebugEnsureNodeEnv"
     BeforeTargets="Build" 
     Condition=" '$(Configuration)' == 'Debug' And !Exists('$(SpaRoot)node_modules') ">
    <!-- Ensure Node.js is installed -->
    <Exec Command="node --version" ContinueOnError="true">
      <Output TaskParameter="ExitCode" PropertyName="ErrorCode" />
    </Exec>
    <Error Condition="'$(ErrorCode)' != '0'" Text="Node.js is required to build and run this project. To continue, please install Node.js from https://nodejs.org/, and then restart your command prompt or IDE." />
    <Message Importance="high" Text="Restoring dependencies using 'npm'. This may take several minutes..." />
    <Exec WorkingDirectory="$(SpaRoot)" Command="npm install" />
  </Target>

  <Target Name="PublishRunWebpack" AfterTargets="ComputeFilesToPublish">
    <!-- As part of publishing, ensure the JS resources are freshly built in production mode -->
    <Exec WorkingDirectory="$(SpaRoot)" Command="npm install" />
    <Exec WorkingDirectory="$(SpaRoot)" Command="npm run build" />

    <!-- Include the newly-built files in the publish output -->
    <ItemGroup>
      <DistFiles Include="$(SpaRoot)build\**" />
      <ResolvedFileToPublish Include="@(DistFiles->'%(FullPath)')" Exclude="@(ResolvedFileToPublish)">
        <RelativePath>%(DistFiles.Identity)</RelativePath>
        <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
        <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
      </ResolvedFileToPublish>
    </ItemGroup>
  </Target>

Microsoft just announced Update 4 of its new version of Visual Studio, Visual Studio “15”. This latest update of Visual Studio “15” now ships with C# version 7.0 compiler .

This is a cumulative servicing update that provides fixes to Visual Studio 2015 Update 2. These fixes address high-impact bugs that were either found by the product team or reported from the community.  

Entity Framework (EF) Core is the rearchitected and rewritten version of the Entity Framework object relational mapping engine for .NET Core applications. It is very light-weight, extensible, and cross platform.

However, high transaction .NET Core applications using EF Core face performance and scalability bottlenecks in the database-tier under peak loads. This is because, although you can linearly scale the application tier by adding more application servers, you cannot add more database servers to scale it.

But, if you use a distributed cache like NCache in your .NET Core applications, you can quickly remove these performance and scalability bottlenecks and handle extreme transaction loads. 

Securing your application is bloody important. With so much jargon to sift through, it’s easy to get lost, for example there’s SSO, OAuth2, SAML 2.0, OpenID Connect, Federated Identity, 2FA, & MFA. Just to name a few! 😱 In this talk, Anthony will take an in depth look at Federated Identity using OpenID Connect and OAuth2 Framework for ASP. NET Core using Duende IdentityServer (aka IdentityServer 5). You will walk away knowing how to navigate the security options and avoid the madness. 

%USERPROFILE%/.omnisharp

{
  "RoslynExtensionsOptions": {
    "LocationPaths": [
      "C:\\lib\\roslynator"
    ]
  }
}

Write-Host "Download, unzip and enable Roslynator for Visual Studio Code"

$name = "josefpihrt.Roslynator2017"
$url = "https://marketplace.visualstudio.com/items?itemName=$name"
$currentDir = $PSScriptRoot
$file = "$currentDir\Roslynator.zip"

$pattern = "<script class=`"vss-extension`" defer=`"defer`" type=`"application\/json`">(.*?)<\/script>"
$regex = [regex]"(?m)$pattern"
Write-Host "Grab the home page of the $name."
$dom = (New-Object Net.WebClient).DownloadString($url); 
if($dom -and $dom -match $pattern) 
{
    $matches = $regex.Match($dom)
    $jsonText = $matches[0].Groups[1]

    $json = ConvertFrom-Json $jsonText

    $version = $Json.versions[0].version # Parse the json in the page for the latest version number
    $parts = $name.Split(".")
    $publisher = $parts[0]
    $package = $parts[1]

    # Assemble the url for the vsix package
    $packageUrl = "https://marketplace.visualstudio.com/_apis/public/gallery/publishers/$publisher/vsextensions/$package/$version/vspackage"
    Write-Host "Download the vsix package: $packageUrl"
    (New-Object Net.WebClient).DownloadFile($packageUrl, $file)

    Write-Host "Using $currentDir as the current dir."
    Write-Host "Unzip $file."
    $shellApp = new-object -com shell.application 
    $zipFile = $shellApp.namespace($file) 
    $destination = $shellApp.namespace($currentDir) 
    $destination.Copyhere($zipFile.items(), 0x14)# overwrite and be silent

    Write-Host "Delete VS specific files. Otherwise they will interfere with the MEF services inside OmniSharp."
    Remove-Item "$currentDir\Roslynator.VisualStudio.Core.dll","$currentDir\Roslynator.VisualStudio.dll", "$currentDir\Roslynator.VisualStudio.pkgdef"

    $omnisharpJsonFilePath = "$env:USERPROFILE\.omnisharp\omnisharp.json";
    Write-Host "Create $omnisharpJsonFilePath file."
    $omnisharpJson = @" 
{{
  "RoslynExtensionsOptions": {{
    "LocationPaths": [
      "{0}"
    ]
  }}
}}
"@ -f $currentDir -Replace "\\","\\"
    $omnisharpJson | Out-File "$omnisharpJsonFilePath" -Confirm

    Write-Host "Done!"
}
else
{
    Write-Host "Failed to find the packageUrl!"
}

PS D:\Prog\1396\RoslynatorVSCode> .\update.ps1
Download, unzip and enable Roslynator for Visual Studio Code
Grab the home page of the josefpihrt.Roslynator2017.
Download the vsix package: https://marketplace.visualstudio.com/_apis/public/gallery/publishers/josefpihrt/vsextensions/Roslynator2017/1.7.0/vspackage
Using D:\Prog\1396\RoslynatorVSCode as the current dir.
Unzip D:\Prog\1396\RoslynatorVSCode\Roslynator.zip.
Delete VS specific files. Otherwise they will interfere with the MEF services inside OmniSharp.
Create C:\Users\Vahid\.omnisharp\omnisharp.json file.

Confirm
Are you sure you want to perform this action?
Performing the operation "Output to File" on target "C:\Users\Vahid\.omnisharp\omnisharp.json".
[Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help (default is "Y"):
Done!

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