var builder = WebApplication.CreateBuilder(args);

builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

var app = builder.Build();

if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseHttpsRedirection();

var summaries = new[]
{
    "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
};

app.MapGet("/weatherforecast", () =>
{
    var forecast =  Enumerable.Range(1, 5).Select(index =>
        new WeatherForecast
        (
            DateTime.Now.AddDays(index),
            Random.Shared.Next(-20, 55),
            summaries[Random.Shared.Next(summaries.Length)]
        ))
        .ToArray();
    return forecast;
})
.WithName("GetWeatherForecast");

app.Run();

record WeatherForecast(DateTime Date, int TemperatureC, string? Summary)
{
    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
}

1. Introduction
2. Getting Started
3. Writing Output
4. Reading Input
5. Data Types and Variables
6. Operators and Expressions
7. Control Structures
8. Object-Oriented Programming
9. Example Programs and Conclusion 

•  event اجرا شده (مثلا push) و شخص فراخوان این رخداد
• جزئیات commit ایی که منجر به این event شده از جمله SHA hash کامیت، author و committer کامیت
• تعداد Issue ها، Fork‌ها و Star‌های ریپازیتوری در آن لحظه
• و بسیاری اطلاعات دیگر

    steps:
    - name: Dump GitHub Context
      env:
        GITHUB_CONTEXT: ${{ toJson(github) }}
      run: echo "$GITHUB_CONTEXT"

GITHUB_CONTEXT: {
  "token": "***",
  "ref": "refs/heads/master",
  "sha": "3251394ad66ae8419e606fbf78570906ff2f01d3",
  "repository": "mjebrahimi/github_actions_test",
  "repositoryUrl": "git://github.com/mjebrahimi/github_actions_test.git",
  "run_id": "66966756",
  "run_number": "17",
  "actor": "mjebrahimi",
  "workflow": ".NET Core",
  "head_ref": "",
  "base_ref": "",
  "event_name": "push",
  "event": {
    "after": "3251394ad66ae8419e606fbf78570906ff2f01d3",
    "base_ref": null,
    "before": "b6c382e8fe74916daf6821a5a71efe480bd98a13",
    "commits": [
      {
        "author": {
          "email": "mj.ebrahimi72@gmail.com",
          "name": "Mohammad Javad Ebrahimi",
          "username": "mjebrahimi"
        },
        "committer": {
          "email": "noreply@github.com",
          "name": "GitHub",
          "username": "web-flow"
        },
        "distinct": true,
        "id": "3251394ad66ae8419e606fbf78570906ff2f01d3",
        "message": "Update dotnetcore.yml",
        "timestamp": "2020-03-31T04:48:53+04:30",
        "tree_id": "e27a05129010b3b2a7b18b92d91cd73a32babb8f",
        "url": "https://github.com/mjebrahimi/github_actions_test/commit/3251394ad66ae8419e606fbf78570906ff2f01d3"
      }
    ],
    "compare": "https://github.com/mjebrahimi/github_actions_test/compare/b6c382e8fe74...3251394ad66a",
    "created": false,
    "deleted": false,
    "forced": false,
    "head_commit": {
      "author": {
        "email": "mj.ebrahimi72@gmail.com",
        "name": "Mohammad Javad Ebrahimi",
        "username": "mjebrahimi"
      },
      "committer": {
        "email": "noreply@github.com",
        "name": "GitHub",
        "username": "web-flow"
      },
      "distinct": true,
      "id": "3251394ad66ae8419e606fbf78570906ff2f01d3",
      "message": "Update dotnetcore.yml",
      "timestamp": "2020-03-31T04:48:53+04:30",
      "tree_id": "e27a05129010b3b2a7b18b92d91cd73a32babb8f",
      "url": "https://github.com/mjebrahimi/github_actions_test/commit/3251394ad66ae8419e606fbf78570906ff2f01d3"
    },
    "pusher": {
      "email": "mj.ebrahimi72@gmail.com",
      "name": "mjebrahimi"
    },
    "ref": "refs/heads/master",
    "repository": {
      "archive_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/{archive_format}{/ref}",
      "archived": false,
      "assignees_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/assignees{/user}",
      "blobs_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/git/blobs{/sha}",
      "branches_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/branches{/branch}",
      "clone_url": "https://github.com/mjebrahimi/github_actions_test.git",
      "collaborators_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/collaborators{/collaborator}",
      "comments_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/comments{/number}",
      "commits_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/commits{/sha}",
      "compare_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/compare/{base}...{head}",
      "contents_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/contents/{+path}",
      "contributors_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/contributors",
      "created_at": 1585584602,
      "default_branch": "master",
      "deployments_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/deployments",
      "description": null,
      "disabled": false,
      "downloads_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/downloads",
      "events_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/events",
      "fork": false,
      "forks": 0,
      "forks_count": 0,
      "forks_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/forks",
      "full_name": "mjebrahimi/github_actions_test",
      "git_commits_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/git/commits{/sha}",
      "git_refs_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/git/refs{/sha}",
      "git_tags_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/git/tags{/sha}",
      "git_url": "git://github.com/mjebrahimi/github_actions_test.git",
      "has_downloads": true,
      "has_issues": true,
      "has_pages": false,
      "has_projects": true,
      "has_wiki": true,
      "homepage": null,
      "hooks_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/hooks",
      "html_url": "https://github.com/mjebrahimi/github_actions_test",
      "id": 251358686,
      "issue_comment_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/issues/comments{/number}",
      "issue_events_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/issues/events{/number}",
      "issues_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/issues{/number}",
      "keys_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/keys{/key_id}",
      "labels_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/labels{/name}",
      "language": "C#",
      "languages_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/languages",
      "license": null,
      "master_branch": "master",
      "merges_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/merges",
      "milestones_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/milestones{/number}",
      "mirror_url": null,
      "name": "github_actions_test",
      "node_id": "MDEwOlJlcG9zaXRvcnkyNTEzNTg2ODY=",
      "notifications_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/notifications{?since,all,participating}",
      "open_issues": 0,
      "open_issues_count": 0,
      "owner": {
        "avatar_url": "https://avatars1.githubusercontent.com/u/23256135?v=4",
        "email": "mj.ebrahimi72@gmail.com",
        "events_url": "https://api.github.com/users/mjebrahimi/events{/privacy}",
        "followers_url": "https://api.github.com/users/mjebrahimi/followers",
        "following_url": "https://api.github.com/users/mjebrahimi/following{/other_user}",
        "gists_url": "https://api.github.com/users/mjebrahimi/gists{/gist_id}",
        "gravatar_id": "",
        "html_url": "https://github.com/mjebrahimi",
        "id": 23256135,
        "login": "mjebrahimi",
        "name": "mjebrahimi",
        "node_id": "MDQ6VXNlcjIzMjU2MTM1",
        "organizations_url": "https://api.github.com/users/mjebrahimi/orgs",
        "received_events_url": "https://api.github.com/users/mjebrahimi/received_events",
        "repos_url": "https://api.github.com/users/mjebrahimi/repos",
        "site_admin": false,
        "starred_url": "https://api.github.com/users/mjebrahimi/starred{/owner}{/repo}",
        "subscriptions_url": "https://api.github.com/users/mjebrahimi/subscriptions",
        "type": "User",
        "url": "https://api.github.com/users/mjebrahimi"
      },
      "private": false,
      "pulls_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/pulls{/number}",
      "pushed_at": 1585613933,
      "releases_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/releases{/id}",
      "size": 40,
      "ssh_url": "git@github.com:mjebrahimi/github_actions_test.git",
      "stargazers": 0,
      "stargazers_count": 0,
      "stargazers_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/stargazers",
      "statuses_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/statuses/{sha}",
      "subscribers_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/subscribers",
      "subscription_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/subscription",
      "svn_url": "https://github.com/mjebrahimi/github_actions_test",
      "tags_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/tags",
      "teams_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/teams",
      "trees_url": "https://api.github.com/repos/mjebrahimi/github_actions_test/git/trees{/sha}",
      "updated_at": "2020-03-31T00:01:15Z",
      "url": "https://github.com/mjebrahimi/github_actions_test",
      "watchers": 0,
      "watchers_count": 0
    },
    "sender": {
      "avatar_url": "https://avatars1.githubusercontent.com/u/23256135?v=4",
      "events_url": "https://api.github.com/users/mjebrahimi/events{/privacy}",
      "followers_url": "https://api.github.com/users/mjebrahimi/followers",
      "following_url": "https://api.github.com/users/mjebrahimi/following{/other_user}",
      "gists_url": "https://api.github.com/users/mjebrahimi/gists{/gist_id}",
      "gravatar_id": "",
      "html_url": "https://github.com/mjebrahimi",
      "id": 23256135,
      "login": "mjebrahimi",
      "node_id": "MDQ6VXNlcjIzMjU2MTM1",
      "organizations_url": "https://api.github.com/users/mjebrahimi/orgs",
      "received_events_url": "https://api.github.com/users/mjebrahimi/received_events",
      "repos_url": "https://api.github.com/users/mjebrahimi/repos",
      "site_admin": false,
      "starred_url": "https://api.github.com/users/mjebrahimi/starred{/owner}{/repo}",
      "subscriptions_url": "https://api.github.com/users/mjebrahimi/subscriptions",
      "type": "User",
      "url": "https://api.github.com/users/mjebrahimi"
    }
  },
  "workspace": "/home/runner/work/github_actions_test/github_actions_test",
  "action": "run1"
}

        void loadEntityConfigurations(Assembly asm, DbModelBuilder modelBuilder, string nameSpace)
        {
            var configurations = asm.GetTypes()
                                    .Where(type => type.BaseType != null &&
                                           type.Namespace == nameSpace &&
                                           type.BaseType.IsGenericType &&
                                           type.BaseType.GetGenericTypeDefinition() == typeof(EntityTypeConfiguration<>))
                                    .ToList();

            configurations.ForEach(type =>
               {
                   dynamic instance = Activator.CreateInstance(type);
                   modelBuilder.Configurations.Add(instance);
               });
        }

using System;
using System.Data.Entity;
using System.Data.Entity.Migrations;
using System.Data.Entity.ModelConfiguration;
using System.Linq;
using System.Reflection;

namespace EFGeneral
{
    public class User
    {
        public int UserNumber { get; set; }
        public string Name { get; set; }
    }

    public class UserConfig : EntityTypeConfiguration<User>
    {
        public UserConfig()
        {
            this.HasKey(x => x.UserNumber);
            this.Property(x => x.Name).HasMaxLength(450).IsRequired();
        }
    }

    public class MyContext : DbContext
    {
        public DbSet<User> Users { get; set; }

        protected override void OnModelCreating(DbModelBuilder modelBuilder)
        {
            // modelBuilder.Configurations.Add(new UserConfig());

            var asm = Assembly.GetExecutingAssembly();
            loadEntityConfigurations(asm, modelBuilder, "EFGeneral");
        }

        void loadEntityConfigurations(Assembly asm, DbModelBuilder modelBuilder, string nameSpace)
        {
            var configurations = asm.GetTypes()
                                    .Where(type => type.BaseType != null &&
                                           type.Namespace == nameSpace &&
                                           type.BaseType.IsGenericType &&
                                           type.BaseType.GetGenericTypeDefinition() == typeof(EntityTypeConfiguration<>))
                                    .ToList();

            configurations.ForEach(type =>
               {
                   dynamic instance = Activator.CreateInstance(type);
                   modelBuilder.Configurations.Add(instance);
               });
        }
    }

    public class Configuration : DbMigrationsConfiguration<MyContext>
    {
        public Configuration()
        {
            AutomaticMigrationsEnabled = true;
            AutomaticMigrationDataLossAllowed = true;
        }

        protected override void Seed(MyContext context)
        {
            context.Users.Add(new User { Name = "name-1" });
            context.Users.Add(new User { Name = "name-2" });
            context.Users.Add(new User { Name = "name-3" });
            base.Seed(context);
        }
    }

    public static class Test
    {
        public static void RunTests()
        {
            Database.SetInitializer(new MigrateDatabaseToLatestVersion<MyContext, Configuration>());
            using (var context = new MyContext())
            {
                var user1 = context.Users.Find(1);
                if (user1 != null)
                    Console.WriteLine(user1.Name);
            }
        }
    }
}

public class User
{
    public int Id { get; set; }
    public string FirstName { get; set; }
    public string LastName { get; set; }
    public string UserName { get; set; }


    public static List<User> GetUsers()
    {
        return new List<User>()
        {
            new()
            {
                Id = 1,
                FirstName = "علی",
                LastName = "یگانه مقدم",
                UserName = "yeganehaym"
            },
            new ()
            {
                Id = 2,
                FirstName = "وحید",
                LastName = "نصیری",
                UserName = "VahidN"
            },
        };
    }
}

[ApiController]
[Route("/api/[controller]/{id?}")]
public class UserController : ControllerBase
{

    [HttpGet]
    public User GetUser(int id)
    {
        var users = Users.User.GetUsers();
        var user = users.FirstOrDefault(x => x.Id == id);
        return user;
    }
}

public class Product
{
    public int Id { get; set; }
    public string Name { get; set; }
    public int Price { get; set; }
    public  int Quantity { get; set; }


    public static List<Product> GetProducts()
    {
        return new List<Product>()
        {
            new()
            {
                Id = 1,
                Name = "LCD",
                Price = 20000,
                Quantity = 10
            },
            new()
            {
                Id = 1,
                Name = "Mouse",
                Price = 320000,
                Quantity = 15
            },
            new()
            {
                Id = 1,
                Name = "Keyboard",
                Price = 50000,
                Quantity = 25
            },
        };
    }
}

[ApiController]
[Route("api/[controller]")]
public class ProductController : ControllerBase
{

    [HttpGet]
    public List<Product> GetProducts()
    {
        return Product.GetProducts();
    }

}

{
    "Routes":[
        
        {
        "DownstreamPathTemplate":"/api/User/{id}",
        "DownstreamScheme":"https",
        "DownstreamHostAndPorts":[
            {
                "Host":"localhost",
                "Port":"7279"
            }
        ],
        "UpstreamPathTemplate":"/GetUser/{id}",
        "UpstreamHttpMethod":[
            "GET"
        ]},
        {
        "DownstreamPathTemplate":"/api/Product",
        "DownstreamScheme":"https",
        "DownstreamHostAndPorts":[
            {
                "Host":"localhost",
                "Port":"7261"
            }
        ],
     
        "UpstreamPathTemplate":"/Products",
        "UpstreamHttpMethod":[
            "GET"
        ]
        }
    ]
    
   
}

builder.Services.AddOcelot();

app.UseOcelot();

builder.Configuration.SetBasePath(builder.Environment.ContentRootPath)    
    .AddJsonFile("ocelot.json", optional: false, reloadOnChange: true);

builder.Configuration.SetBasePath(builder.Environment.ContentRootPath)    
    .AddJsonFile("ocelot.json", optional: false, reloadOnChange: true)
    .AddJsonFile($"ocelot.{builder.Environment.EnvironmentName}.json", optional: false, reloadOnChange: true);

Install-Package Ocelot.Cache.CacheManager

builder.Services.AddOcelot()
    .AddCacheManager(x => x.WithDictionaryHandle());

"FileCacheOptions":{
      "TtlSeconds":30,
       "Region":"custom"
}

{
    "Routes":[
        
        {
        "DownstreamPathTemplate":"/api/User/{id}",
        "DownstreamScheme":"https",
        "DownstreamHostAndPorts":[
            {
                "Host":"localhost",
                "Port":"7279"
            }
        ],
        "UpstreamPathTemplate":"/GetUser/{id}",
        "UpstreamHttpMethod":[
            "GET"
        ]
        },
        {
        "DownstreamPathTemplate":"/api/Product",
        "DownstreamScheme":"https",
        "DownstreamHostAndPorts":[
            {
                "Host":"localhost",
                "Port":"7261"
            }
        ],
     
        "UpstreamPathTemplate":"/Products",
        "UpstreamHttpMethod":[
            "GET"
        ],
            "FileCacheOptions":{
                "TtlSeconds":30,
                "Region":"custom"
            }
        }
    ]
    
   
}

       "RateLimitOptions":{
                "ClientWhitelist":[
                ],
                "EnableRateLimiting":true,
                "Period":"5s",
                "PeriodTimespan":1,
                "Limit":1,
                "HttpStatusCode":429
            }

{
    "Routes":[
        
        {
        "DownstreamPathTemplate":"/api/User/{id}",
        "DownstreamScheme":"https",
        "DownstreamHostAndPorts":[
            {
                "Host":"localhost",
                "Port":"7279"
            }
        ],
        "UpstreamPathTemplate":"/GetUser/{id}",
        "UpstreamHttpMethod":[
            "GET"
        ],
        "FileCacheOptions":{
            "TtlSeconds":30,
            "Region":"custom"
        }
        },
        {
        "DownstreamPathTemplate":"/api/Product",
        "DownstreamScheme":"https",
        "DownstreamHostAndPorts":[
            {
                "Host":"localhost",
                "Port":"7261"
            }
        ],
     
        "UpstreamPathTemplate":"/Products",
        "UpstreamHttpMethod":[
            "GET"
        ],
            "RateLimitOptions":{
                "ClientWhitelist":[
                ],
                "EnableRateLimiting":true,
                "Period":"5s",
                "PeriodTimespan":1,
                "Limit":1,
                "HttpStatusCode":429
            }
        }
    ],
    "DangerousAcceptAnyServerCertificateValidator": true
    
   
}

public class Book
    {
        private int code = 10;        

        public int GetCode()
        {
            return code;
        }
    }

public class Book
    {
        private readonly int code = 10;        

        public int GetCode()
        {
            return code = 20;
        }        
    }

using System.Reflection;

 public class Book
 {
        private int code = 10;
 }

 public class Program
 {
        static void Main( string[] args )
        {
            Book book = new Book();
            var codeField = book.GetType().GetField( "code", BindingFlags.NonPublic | BindingFlags.Instance );
            codeField.SetValue( book, 20 );
            var value = codeField.GetValue( book );
        }
    }

using System.Reflection;

 public class Book
 {
        private readonly int code = 10;
 }

 public class Program
 {
        static void Main( string[] args )
        {
            Book book = new Book();
            var codeField = book.GetType().GetField( "code", BindingFlags.NonPublic | BindingFlags.Instance );
            codeField.SetValue( book, 50);
            var value = codeField.GetValue( book );
        }
    }

export interface Person {
  name: string;
  age: number;
}

export class LinqTestsComponent {

  people: Person[] = [
    { name: "User 4", age: 27 },
    { name: "User 5", age: 42 },
    { name: "User 6", age: 8 },
    { name: "User 1", age: 20 },
    { name: "User 2", age: 35 },
    { name: "User 3", age: 78 }
  ];

}

  logTitle(title: string) {
    console.log(`%c${title}`, "background: #222; color: #bada55");
  }

  logOriginalArray() {
    console.log(`original this.people:${JSON.stringify(this.people)}`);
  }

  logResult(message: string, result: any) {
    console.log(`${message}:${JSON.stringify(result)}`);
  }

  equivalentToWhere() {
    const youngerThan40 = this.people.filter(person => person.age < 40); // ECMAScript 5
    this.logResult("People younger than 40", youngerThan40);

    // Filtering on Multiple Criteria
    const youngsters = this.people.filter(
      person => person.age < 40 && person.name.toLocaleLowerCase().indexOf("user") !== -1);
    this.logResult("Users younger than 40", youngsters);
  }

People younger than 40:[
{"name":"User 4","age":27},
{"name":"User 6","age":8},
{"name":"User 1","age":20},
{"name":"User 2","age":35}
]

Users younger than 40:[
{"name":"User 4","age":27},
{"name":"User 6","age":8},
{"name":"User 1","age":20},
{"name":"User 2","age":35}
]

  equivalentToAny() {

    const anyUnder40 = this.people.some(person => person.age < 40); // ECMAScript 5
    this.logResult("Are any people under 40?", anyUnder40); // true

    // Filtering on Criteria Matching any Object Properties
    const filterBy = "user";
    const anyUsers = this.people.filter(person =>
      Object.keys(person).some(property => {
        let value = (<any>person)[property];
        if (typeof value === "string") {
          value = value.toLocaleLowerCase();
        }
        return value.toString().indexOf(filterBy) !== -1;
      })
    );
    this.logResult("anyUsers", anyUsers);
  }

Are any people under 40?:true
anyUsers:[
{"name":"User 4","age":27},
{"name":"User 5","age":42},
{"name":"User 6","age":8},
{"name":"User 1","age":20},
{"name":"User 2","age":35},
{"name":"User 3","age":78}
]

  equivalentToContains() {

    const searchElement: Person = { name: "User 4", age: 27 };
    const containsUser4 = this.people.includes(searchElement); // ECMAScript 2016 = ECMAScript 7
    this.logResult("Contains searchElement", containsUser4); // false -> only compares by reference and not by value.

    const indexOfUser4 = this.people.indexOf(searchElement); // ECMAScript 5
    this.logResult("indexOfUser4", indexOfUser4); // -1 -> only compares by reference and not by value.

    const stringifiedObj = JSON.stringify(searchElement);
    const includesUser4 = this.people.some(person => JSON.stringify(person) === stringifiedObj);
    this.logResult("includesUser4", includesUser4); // true -> compares by by value.
  }

  equivalentToAll() {
    const allUnder30 = this.people.every(person => person.age < 30); // ECMAScript 5
    this.logResult("Are all people under 30?", allUnder30); // false
  }

 Are all people under 30?:false

  equivalentToFirstOrDefault() {
    const vahidOrDefault = this.people.filter(item => item.name === "Vahid")[0] || null; // ECMAScript 5
    this.logResult("vahidOrDefault", vahidOrDefault);

    const user1OrDefault = this.people.find(item => item.name === "User 1") || null; // ECMAScript 2015 = ECMAScript 6
    this.logResult("user1OrDefault", user1OrDefault);
  }

  equivalentToFindIndex() {
    const index = this.people.findIndex(person => person.age === 8); // ECMAScript 2015 = ECMAScript 6
    this.logResult("index of the user with age 8", index)
  }

 index of the user with age 8:2

  equivalentToSelect() {
    const names = this.people.map(person => person.name); // ECMAScript 5
    this.logResult("Selected the names of people", names);
  }

  equivalentToAggregate() {
    // ECMAScript 5
    const aggregate = this.people.reduce((person1, person2) => {
      return { name: "", age: person1.age + person2.age };
    });
    this.logResult("Aggregate age", aggregate.age); // { age: 210 }
  }

 Aggregate age:210

  equivalentToForEach() {
    // ECMAScript 5
    this.people.forEach(person => {
      this.logResult("person", person);
    });
  }

 person:{"name":"User 4","age":27}
 person:{"name":"User 5","age":42}
 person:{"name":"User 6","age":8}
 person:{"name":"User 1","age":20}
 person:{"name":"User 2","age":35}
 person:{"name":"User 3","age":78}

    // ECMAScript 5
    let orderedByAgeAscending = this.people.sort((person1, person2) => {
      const a = person1.age;
      const b = person2.age;
      return a > b ? 1 : -1;
    });
    this.logResult("Ordered by age ascending", orderedByAgeAscending);

    orderedByAgeAscending = this.people.sort((person1, person2) => person1.age - person2.age);
    this.logResult("Ordered by age ascending", orderedByAgeAscending);

Ordered by age ascending:[
{"name":"User 6","age":8},
{"name":"User 1","age":20},
{"name":"User 4","age":27},
{"name":"User 2","age":35},
{"name":"User 5","age":42},
{"name":"User 3","age":78}
]

    const orderedByName = this.people.sort((person1, person2) => {
      // name1.localeCompare(name2) // is case insensitive
      // or use toUpperCase() to ignore character casing
      const name1 = person1.name.toUpperCase();
      const name2 = person2.name.toUpperCase();
      return name1 > name2 ? 1 : -1;
    })
    this.logResult("Ordered by name", orderedByName);
    this.logOriginalArray();

Ordered by name:[
{"name":"User 1","age":20},
{"name":"User 2","age":35},
{"name":"User 3","age":78},
{"name":"User 4","age":27},
{"name":"User 5","age":42},
{"name":"User 6","age":8}
]

original this.people:[
{"name":"User 1","age":20},
{"name":"User 2","age":35},
{"name":"User 3","age":78},
{"name":"User 4","age":27},
{"name":"User 5","age":42},
{"name":"User 6","age":8}
]

  chainFunctionCalls() {
    const namesOfPeopleOver30OrderedDesc =
      this.people
        .filter(person => person.age > 30)
        .map(person => person.name)
        .sort((name1, name2) => {
          // name1.localeCompare(name2) // is case insensitive
          // or use toUpperCase() to ignore character casing
          name1 = name1.toUpperCase();
          name2 = name2.toUpperCase();
          return name2 > name1 ? 1 : -1;
        });
    this.logResult("the names of all people over 30 ordered by name descending", namesOfPeopleOver30OrderedDesc);
  }

 the names of all people over 30 ordered by name descending:["User 5","User 3","User 2"]

skip2 -> the deleted elements:[
{"name":"User 3","age":78},
{"name":"User 4","age":27},
{"name":"User 5","age":42},
{"name":"User 6","age":8}
]

original this.people:[
{"name":"User 1","age":20},
{"name":"User 2","age":35}
]

<form method="post"
      asp-action="Index"
      asp-controller="TestFileUpload"
      enctype="multipart/form-data">
    <input type="file" name="files" multiple />
    <input type="submit" value="Upload" />
</form>

[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Index(IList<IFormFile> files)

public class TestFileUploadController : Controller
{
    private readonly IHostingEnvironment _environment;
    public TestFileUploadController(IHostingEnvironment environment)
    {
        _environment = environment;
    }

[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Index(IList<IFormFile> files)
{
    var uploadsRootFolder = Path.Combine(_environment.WebRootPath, "uploads");
    if (!Directory.Exists(uploadsRootFolder))
    {
        Directory.CreateDirectory(uploadsRootFolder);
    }
 
    foreach (var file in files)
    {
        if (file == null || file.Length == 0)
        {
            continue;
        }
 
        var filePath = Path.Combine(uploadsRootFolder, file.FileName);
        using (var fileStream = new FileStream(filePath, FileMode.Create))
        {
            await file.CopyToAsync(fileStream).ConfigureAwait(false);
        }
    }
    return View();
}

public class UserViewModel
{
    [Required(ErrorMessage = "Please select a file.")]
    [DataType(DataType.Upload)]
    public IFormFile Photo { get; set; }
}

@model UserViewModel
 
<form method="post"
      asp-action="UploadPhoto"
      asp-controller="TestFileUpload"
      enctype="multipart/form-data">
    <div asp-validation-summary="ModelOnly" class="text-danger"></div>
 
    <input asp-for="Photo" />
    <span asp-validation-for="Photo" class="text-danger"></span>
    <input type="submit" value="Upload"/>
</form>

[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> UploadPhoto(UserViewModel userViewModel)
{
    if (ModelState.IsValid)
    {
        var formFile = userViewModel.Photo;
        if (formFile == null || formFile.Length == 0)
        {
            ModelState.AddModelError("", "Uploaded file is empty or null.");
            return View(viewName: "Index");
        }
 
        var uploadsRootFolder = Path.Combine(_environment.WebRootPath, "uploads");
        if (!Directory.Exists(uploadsRootFolder))
        {
            Directory.CreateDirectory(uploadsRootFolder);
        }
 
        var filePath = Path.Combine(uploadsRootFolder, formFile.FileName);
        using (var fileStream = new FileStream(filePath, FileMode.Create))
        {
            await formFile.CopyToAsync(fileStream).ConfigureAwait(false);
        }
 
        RedirectToAction("Index");
    }
    return View(viewName: "Index");
}

 [FileExtensions(Extensions = ".png,.jpg,.jpeg,.gif", ErrorMessage = "Please upload an image file.")]

[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
public class UploadFileExtensionsAttribute : ValidationAttribute
{
    private readonly IList<string> _allowedExtensions;
    public UploadFileExtensionsAttribute(string fileExtensions)
    {
        _allowedExtensions = fileExtensions.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).ToList();
    }
 
    public override bool IsValid(object value)
    {
        var file = value as IFormFile;
        if (file != null)
        {
            return isValidFile(file);
        }
 
        var files = value as IList<IFormFile>;
        if (files == null)
        {
            return false;
        }
 
        foreach (var postedFile in files)
        {
            if (!isValidFile(postedFile)) return false;
        }
 
        return true;
    }
 
    private bool isValidFile(IFormFile file)
    {
        if (file == null || file.Length == 0)
        {
            return false;
        }
 
        var fileExtension = Path.GetExtension(file.FileName);
        return !string.IsNullOrWhiteSpace(fileExtension) &&
               _allowedExtensions.Any(ext => fileExtension.Equals(ext, StringComparison.OrdinalIgnoreCase));
    }
}

public class UserViewModel
{
    [Required(ErrorMessage = "Please select a file.")]
    //`FileExtensions` needs to be applied to a string property. It doesn't work on IFormFile properties, and definitely not on IEnumerable<IFormFile> properties.
    //[FileExtensions(Extensions = ".png,.jpg,.jpeg,.gif", ErrorMessage = "Please upload an image file.")]
    [UploadFileExtensions(".png,.jpg,.jpeg,.gif", ErrorMessage = "Please upload an image file.")]
    [DataType(DataType.Upload)]
    public IFormFile Photo { get; set; }
}

First Name:<br/>
<input type="text" id="txtfname" /><br/>
Last Name:<br/>
<input type="text" id=txtlname /><br/>
Number:<br/>
<input type="tel" id="txttel" /><br/>
<button id="btnsubmit">Save</button><br/>

function GetValues()
{
  let fname=$("#txtfname").val();
  let lname=$("#txtlname").val()
  let tel=$("#txttel").val();
  let row=
  {
    fname:fname,
    lname:lname,
    number:tel
  };
  return row;
}

$("#btnsubmit").click((e)=>{
  e.preventDefault();
  let row=GetValues();

  //save in db
  //get last id
  let statement==db.prepare("select id from numbers order by id desc limit 1");
  let lastRecord=statement.getAsObject({}).id;
  row.id=lastRecord++;
  let count=db.prepare("select count(*) as count from numbers order by id desc").getAsObject({}).count;
  statement.free();
  let insertCommand="insert into numbers values(?,?,?,?)";
  db.run(insertCommand,[row.id,row.fname,row.lname,String(row.number)])
  let newcount=db.prepare("select count(*) as count from numbers order by id desc").getAsObject({}).count;
  SaveChanges();

//show in the table
if(count<newcount)
{
  AddToTable(row);
}
});
});

var statement= db.prepare("SELECT * FROM NUMBERS WHERE fname=@fname AND lname=@lname");

var result = statement .getAsObject({'@fname' :'ali', '@lname' : 'yeganeh'});

statement.bind(['hossein','yeganeh']);

while(statement.step())
{
     var rec=statement.get();
}

  const {ipcRenderer} = require('electron');
function SaveChanges()
{
    ipcRenderer.send("SaveToDb");
}

function AddToTable(row)
{
  let tableBody=$("#people");
  let rowTemplate=`<tr><td>${row.fname}</td><td>${row.lname}</td><td>${row.number}</td><td><button class=
  "btn btn-success btnupdate" data-id="${row.id}" >Edit</button></td></tr>`;
  tableBody.append(rowTemplate);
}

$("#people").on('click','.btnupdate',function(e)
{
  e.preventDefault();

  row.id=$(this).data("id");
  let row=GetValues();
  db.run("UPDATE NUMBERS SET FNAME=?,LNAME=?,NUMBER=? WHERE ID=?",[row.fname,row.lname,row.number,row.id]);
  SaveChanges();
  
  tr=$(this).closest("tr");
  let column=0;
  tr.find("td").each(function(index)
  {
    oldRow=$(this);
    switch(column)
    {
      case 0: //fname
        oldRow.text(row.fname);
        break;
      case 1: //lname
        oldRow.text(row.lname);
        break;
      case 2: //number
        oldRow.text(row.number);
        break;
    }
    column++;
  });
});

db.each("SELECT name,age FROM users WHERE age >= $majority",
  {$majority:18},
  function(row){console.log(row.name)},
                                function(){console.log("done");}
  );

SELECT ID FROM NUMBERS;SELECT FNAME,LNAME FROM NUMBERS

 [
         {columns: ['id'], values:[[1],[2],[3]]},
         {columns: ['fname','lname'], values:[['ali','yeganeh'],['hossein','yeganeh'],['mohammad','yeganeh']]}
    ]

var records=db.exec("select * from numbers");
let values=records[0].values;
let length=values.length;

for(let i=0;i<length;i++)
{
  let object=values[i];
  let row={
    id:object[0],
    fname:object[1],
    lname:object[2],
    number:object[3]
  };
  AddToTable(row);
}

<ComboBox Name="President" ItemsSource="{Binding}" FontSize="30"
                  Height="50"
                  Width="550">
            <ComboBox.ItemTemplate>
                <DataTemplate>
                    <StackPanel Orientation="Horizontal">
                        <TextBlock Text="{Binding Name}"/>
                        <TextBlock Text="{Binding Title}" Margin="5,0,0,0"/>
                    </StackPanel>
                </DataTemplate>
            </ComboBox.ItemTemplate>
 </ComboBox>

در زمانیکه در عملیات Data Binding نوع داده‌ی خصوصیت ما در Source (منبع داده) با نوع داده‌ی خصوصیت ما در target  (کنترل یا View) متفاوت است، به یک مبدل در حین Binding نیاز داریم. این کار را از طریق یک کلاس که اینترفیس IValueConvertor را پیاده سازی کرده است، انجام می‌دهیم.