.span12 {
  width: 940px;
}
.span1 {
  width: 60px;
}

.row-fluid .span12 {
  width: 100%;
  *width: 99.94680851063829%;
}

@gridColumns:             12;
@gridColumnWidth:         60px;
@gridGutterWidth:         20px;

...

class PirateName {
}

class PirateName {
  static final Random indexGen = new Random();
}

class PirateName {
  static final Random indexGen = new Random();
  String _firstName;
  String _appellation;
}

class PirateName {
  ...
  static final List names = [
    'Anne', 'Mary', 'Jack', 'Morgan', 'Roger',
    'Bill', 'Ragnar', 'Ed', 'John', 'Jane' ];
  static final List appellations = [
    'Jackal', 'King', 'Red', 'Stalwart', 'Axe',
    'Young', 'Brave', 'Eager', 'Wily', 'Zesty'];
}

class PirateName {
  ...
  PirateName({String firstName, String appellation}) {
    if (firstName == null) {
      _firstName = names[indexGen.nextInt(names.length)];
    } else {
      _firstName = firstName;
    }
    if (appellation == null) {
      _appellation = appellations[indexGen.nextInt(appellations.length)];
    } else {
      _appellation = appellation;
    }
  }
}

class PirateName {
  ...
  String get pirateName =>
    _firstName.isEmpty ? '' : '$_firstName the $_appellation';
}

void setBadgeName(PirateName newName) {
  querySelector('#badgeName').text = newName.pirateName;
}

void updateBadge(Event e) {
  String inputName = (e.target as InputElement).value;
  
  setBadgeName(new PirateName(firstName: inputName));
  ...
}

void generateBadge(Event e) {
  setBadgeName(new PirateName());
}

let x = 10;

let x: i32 = 10;

let x = 10;
x = 20; //compile-time error

let mut x = 10;
x = 20;

{
   let x = 10;
} // این متغیر خارج از این محدوده در دسترس نخواهد بود

fn main() {
    let x = 5;
    println!("The value of x is: {}", x); // خروجی برابر 5 است

    let x = "hello";
    println!("The value of x is: {}", x); // خروجی برابر hello
}

> npm install bootstrap --save
> npm install ngx-bootstrap --save

  "apps": [
    {
      "styles": [
    "../node_modules/bootstrap/dist/css/bootstrap.min.css",
        "styles.css"
      ],

import { PaginationModule } from "ngx-bootstrap";

@NgModule({
  imports: [
    PaginationModule.forRoot()
  ]

 >ng g m SimpleGrid -m app.module --routing

 >ng g c SimpleGrid/products-list

 >ng g cl SimpleGrid/app-product

export class AppProduct {
  constructor(
    public productId: number,
    public productName: string,
    public price: number,
    public isAvailable: boolean
  ) {}
}

 >ng g cl SimpleGrid/PagedQueryModel

export class PagedQueryModel {
  constructor(
    public sortBy: string,
    public isAscending: boolean,
    public page: number,
    public pageSize: number
  ) {}
}

 >ng g cl SimpleGrid/PagedQueryResult

export class PagedQueryResult<T> {
  constructor(public totalItems: number, public items: T[]) {}
}

 >ng g cl SimpleGrid/GridColumn

export class GridColumn {
  constructor(
    public title: string,
    public propertyName: string,
    public isSortable: boolean
  ) {}
}

 >ng g s SimpleGrid/products-list -m simple-grid.module

  toQueryString(obj: any): string {
    const parts = [];
    for (const key in obj) {
      if (obj.hasOwnProperty(key)) {
        const value = obj[key];
        if (value !== null && value !== undefined) {
          parts.push(encodeURIComponent(key) + "=" + encodeURIComponent(value));
        }
      }
    }
    return parts.join("&");
  }

[HttpGet("[action]")]
public PagedQueryResult<Product> GetPagedProducts(ProductQueryViewModel queryModel)

 http://localhost:5000/api/Product/GetPagedProducts?sortBy=productId&isAscending=true&page=2&pageSize=7

@Injectable()
export class ProductsListService {
  private baseUrl = "api/Product";

  constructor(private http: Http) {}

  getPagedProductsList(
    queryModel: PagedQueryModel
  ): Observable<PagedQueryResult<AppProduct>> {
    return this.http
      .get(`${this.baseUrl}/GetPagedProducts?${this.toQueryString(queryModel)}`)
      .map(res => {
        const result = res.json();
        return new PagedQueryResult<AppProduct>(
          result.totalItems,
          result.items
        );
      });
  }

  <table class="table table-striped table-hover table-bordered table-condensed">
    <thead>
      <tr>
        <th class="text-center" style="width:3%">#</th>
        <th *ngFor="let column of columns" class="text-center">
          <div *ngIf="column.isSortable" (click)="sortBy(column.propertyName)" style="cursor: pointer">
            {{ column.title }}
            <i *ngIf="queryModel.sortBy === column.propertyName" class="glyphicon"
              [class.glyphicon-sort-by-order]="queryModel.isAscending" [class.glyphicon-sort-by-order-alt]="!queryModel.isAscending"></i>
          </div>
          <div *ngIf="!column.isSortable" style="cursor: pointer">
            {{ column.title }}
          </div>
        </th>
      </tr>
    </thead>

export class ProductsListComponent implements OnInit {
  columns: GridColumn[] = [
    new GridColumn("Id", "productId", true),
    new GridColumn("Name", "productName", true),
    new GridColumn("Price", "price", true),
    new GridColumn("Available", "isAvailable", true)
  ];

export class ProductsListComponent implements OnInit {
  itemsPerPage = 7;
  queryModel = new PagedQueryModel("productId", true, 1, this.itemsPerPage);

  sortBy(columnName) {
    if (this.queryModel.sortBy === columnName) {
      this.queryModel.isAscending = !this.queryModel.isAscending;
    } else {
      this.queryModel.sortBy = columnName;
      this.queryModel.isAscending = true;
    }
    this.getPagedProductsList();
  }
}

    <tbody>
      <tr *ngFor="let item of queryResult.items; let i = index">
        <td class="text-center">{{ itemsPerPage * (currentPage - 1) + i + 1 }}</td>
        <td class="text-center">{{ item.productId }}</td>
        <td class="text-center">{{ item.productName }}</td>
        <td class="text-center">{{ item.price | number:'.0' }}</td>
        <td class="text-center">
          <input id="item-{{ item.productId }}" type="checkbox" [checked]="item.isAvailable"
            disabled="disabled" />
        </td>
      </tr>
    </tbody>
  </table>

export class ProductsListComponent implements OnInit {
  itemsPerPage = 7;
  currentPage: number;
  numberOfPages: number;
  isLoading = false;
  queryModel = new PagedQueryModel("productId", true, 1, this.itemsPerPage);
  queryResult = new PagedQueryResult<AppProduct>(0, []);

  constructor(private productsListService: ProductsListService) {}

  ngOnInit() {
    this.getPagedProductsList();
  }

  private getPagedProductsList() {
    this.isLoading = true;
    this.productsListService
      .getPagedProductsList(this.queryModel)
      .subscribe(result => {
        this.queryResult = result;
        this.isLoading = false;
      });
  }
}

  <div align="center">
    <pagination [maxSize]="8" [boundaryLinks]="true" [totalItems]="queryResult.totalItems"
      [rotate]="false" previousText="&lsaquo;" nextText="&rsaquo;" firstText="&laquo;"
      lastText="&raquo;" (numPages)="numberOfPages = $event" [(ngModel)]="currentPage"
      (pageChanged)="onPageChange($event)"></pagination>
  </div>
  <pre class="card card-block card-header">Page: {{currentPage}} / {{numberOfPages}}</pre>

export class ProductsListComponent implements OnInit {
  itemsPerPage = 7;
  currentPage: number;
  numberOfPages: number;

  onPageChange(event: any) {
    this.queryModel.page = event.page;
    this.getPagedProductsList();
  }
}

public class AsynchOperation : IAsyncResult
{
    private bool _completed;
    private Object _state;
    private AsyncCallback _callback;
    private HttpContext _context;

    bool IAsyncResult.IsCompleted { get { return _completed; } }
    WaitHandle IAsyncResult.AsyncWaitHandle { get { return null; } }
    Object IAsyncResult.AsyncState { get { return _state; } }
    bool IAsyncResult.CompletedSynchronously { get { return false; } }
}