Authorization: Basic  Username:Password

Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ=

public class BasicAuthetication:AuthorizationFilterAttribute
    {
        public override void OnAuthorization(HttpActionContext actionContext)
        {
            if (actionContext.Request.Headers.Authorization == null)
            {
                SayYouAreUnAuthorize(actionContext);
                return;
            }

            var param = actionContext.Request.Headers.Authorization.Parameter;
            var decodedCridential = Encoding.UTF8.GetString(Convert.FromBase64String(param));
            var splitedArray = decodedCridential.Split(':');
            if (splitedArray[0] == "username" && splitedArray[1] == "password")
            {
                var userId = 1;
                var genericIdentity=new GenericIdentity(userId.ToString());
                var genericPrincipal=new GenericPrincipal(genericIdentity,null);
                Thread.CurrentPrincipal = genericPrincipal;
                return;
            }
            SayYouAreUnAuthorize(actionContext);
        }

        private void SayYouAreUnAuthorize(HttpActionContext actionContext)
        {
            actionContext.Response = actionContext.Request.CreateResponse(HttpStatusCode.Unauthorized);            
        }
    }

var userId=int.Parse(Thread.CurrentPrincipal.Identity.Name);

[BasicAuthetication]
        public HttpResponseMessage GetPayments(int type)
        {
            var userId = int.Parse(Thread.CurrentPrincipal.Identity.Name);
            if (type == 1)
            {
                return Request.CreateResponse(HttpStatusCode.OK, new
                {
                    Id = 4,
                    Price = 20000,
                    userId=userId
                });
            }
          
                return Request.CreateResponse(HttpStatusCode.OK, new
                {
                    Id = 3,
                    Price = 10000,
                    userId = userId
                });
            
        }

D:\Prog\1389\CodePlex\slpdatepicker\SlPDatePickerNuGet>NuGet.exe spec
Created 'Package.nuspec' successfully.

<?xml version="1.0"?>
<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
<metadata>
  <id>Silverlight.4.Persian.DatePicker</id>
  <version>1.0</version>
  <authors>Vahid Nasiri</authors>
  <owners>Vahid Nasiri</owners>
  <licenseUrl>http://slpdatepicker.codeplex.com/license</licenseUrl>
  <projectUrl>http://slpdatepicker.codeplex.com/</projectUrl>
  <iconUrl>https://slpdatepicker.svn.codeplex.com/svn/SilverlightPersianDatePicker/Views/Images/date.png</iconUrl>
  <requireLicenseAcceptance>false</requireLicenseAcceptance>
  <description>Silverlight 4 Persian DatePicker Control</description>
  <tags>Silverlight WPF Persian DatePicker</tags>
</metadata>
<files>
  <file src="..\SilverlightPersianDatePicker\Bin\Release\*.dll" target="lib" />
  <file src="..\SilverlightPersianDatePicker\Bin\Release\*.pdb" target="lib" />
 <file src="..\SilverlightPersianDatePicker\Bin\Release\*.xml" target="lib" />
</files>
</package>

NuGet.exe pack Package.nuspec

get-package -remote -filter silverlight

nuget push name.nupkg key

C:\Program Files\Microsoft ASP.NET\ASP.NET Web Pages\v1.0\Assemblies\WebMatrix.Data.dll

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appSettings>
 <add key="systemData:defaultProvider" value="System.Data.SqlClient" />
</appSettings>
<connectionStrings>
 <add name="Northwind"
     connectionString="Data Source=(local);Integrated Security = true;Initial Catalog=Northwind"
     providerName="System.Data.SqlClient" />
</connectionStrings>
</configuration>

using System;
using WebMatrix.Data;

namespace TestMicrosoftDataLibrary
{
 class Program
 {
     static void Main(string[] args)
     {
         getProducts();

         Console.Read();
         Console.WriteLine("Press a key ...");
     }

     private static void getProducts()
     {
         using (var db = Database.Open("Northwind"))
         {
             foreach (var product in db.Query("select * from products where UnitsInStock < @0", 20))
             {
                 Console.WriteLine(product.ProductName + " " + product.UnitsInStock);
             }
         }
     }
 }
}

private static void getCustomerFax()
{
         using (var db = Database.Open("Northwind"))
         {
             var product = db.Query("SELECT * FROM [Customers] WHERE City=@0", "Paris").FirstOrDefault();
             if (product != null)
                 Console.WriteLine(product.Fax);
             else
                 Console.WriteLine("not found.");
         }
}

private static void ExecQuery()
{
         using (var db = Database.Open("Northwind"))
         {
            int affectedRecords = db.Execute("UPDATE [Customers] SET fax = fax + '*' WHERE  City = @0", "Paris");
            Console.WriteLine("Affected records: {0}", affectedRecords);
         }
}

private static void ExecSPShowResult()
{
         using (var db = Database.Open("Northwind"))
         {
             var customer = db.Query("exec CustOrderHist @0", "ALFKI").FirstOrDefault();
             if (customer != null)
             {
                 Console.WriteLine(customer.ProductName);
             }
         }
}

private static void useFuncs()
{
         using (var db = Database.Open("Northwind"))
         {
             var query = db.Query("SELECT dbo.FN_GET_CATEGORY_TREE(@0) as Rec1", 3);
             foreach(var tree in query)
             {
                 Console.WriteLine(tree.Rec1);
             }
         }         
}

brew install protobuf

https://github.com/google/protobuf/releases
https://github.com/google/protobuf/releases/download/v3.5.1/protoc-3.5.1-win32.zip

syntax = "proto3";

package helloworld;

service Greeter {
  rpc SayHello (HelloRequest) returns (HelloReply) {}
}

message HelloRequest {
  string name = 1;
}

message HelloReply {
  string message = 1;
}

protoc sample.proto --go_out=plugins=grpc:.  

protoc sample.proto --csharp_out=.

using System;
using System.Net;

namespace Linq2Rss
{
    public class RedirectFinder 
    {
        public CookieContainer Cookies { set; get; }
        public string Url { get; set; }

        public string GetRedirectUrl()
        {
            var hops = 1;
            const int MaxRedirects = 20;

            do
            {
                var request = (HttpWebRequest)WebRequest.Create(Url);
                request.UserAgent = "MyUA";
                request.KeepAlive = true;
                request.Referer = Url;
                if (Cookies == null) Cookies = new CookieContainer();
                request.CookieContainer = Cookies;
                request.AllowAutoRedirect = false;

                using (var webResp = request.GetResponse() as HttpWebResponse)
                {
                    if ((webResp.StatusCode == HttpStatusCode.Found) ||
                    (webResp.StatusCode == HttpStatusCode.Redirect) ||
                    (webResp.StatusCode == HttpStatusCode.Moved) ||
                    (webResp.StatusCode == HttpStatusCode.MovedPermanently))
                    {
                        var newLocation = webResp.Headers["Location"];
                        if (newLocation.StartsWith("/"))
                        {
                            var uri = new Uri(Url);
                            Url = string.Format("{0}://{1}:{2}{3}", uri.Scheme, uri.Host, uri.Port, newLocation);
                        }
                        else
                            Url = newLocation;
                    }
                    else
                    {
                        if (webResp.StatusCode == HttpStatusCode.OK)
                            return Url;
                    }
                }

                hops++;
            } while (hops <= MaxRedirects);
            return Url;
        }
    }
}