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        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            loggerFactory.AddConsole();
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            //add Razor Pages to the pipeline
            app.UseMvc();
        }

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        public void ConfigureServices(IServiceCollection services)
        {
            // Includes support for Razor Pages and controllers.
            services.AddMvc();
        }

yostane

            app.Run(async (context) =>
            {
                await context.Response.WriteAsync("Hello World!");
            });

yostane

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

yostane

loggerFactory.AddConsole();

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<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>netcoreapp1.1</TargetFramework>
    <RuntimeIdentifiers>win10-x64;osx.10.11-x64</RuntimeIdentifiers>
  </PropertyGroup>
</Project>

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<RuntimeIdentifiers>win10-x64;osx.10.11-x64</RuntimeIdentifiers>

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using System;

namespace dotnet_core_tutorials
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
        }

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using System;
using System.Linq;
using Microsoft.EntityFrameworkCore;

namespace efcore_tuto_1 {
    class Program {
        static void Main (string[] args) {
            Console.WriteLine ("Hello World Entity Framework Core!");

            using (var context = new VideoGamesDatabaseContext ()) {

yostane

Hello World Entity Framework Core!
Current database content
Steins's Gate - PSVita - 0
Current database content
Steins's Gate - PSVita - 0
Final Fantasy XV - PS4 - 2016