{"id":1306,"date":"2023-09-26T12:12:01","date_gmt":"2023-09-26T10:12:01","guid":{"rendered":"https:\/\/epicmarketing.co.il\/notebook\/?p=1306"},"modified":"2023-09-26T12:14:23","modified_gmt":"2023-09-26T10:14:23","slug":"imperative-programming","status":"publish","type":"post","link":"https:\/\/epicmarketing.co.il\/notebook\/imperative-programming\/","title":{"rendered":"Imperative Programming"},"content":{"rendered":"\n

Imperative Programming<\/h2>\n\n\n\n

Imperative Programming \u05d4\u05d5\u05d0 \u05ea\u05db\u05e0\u05d5\u05ea \u05de\u05e1\u05d5\u05e8\u05ea\u05d9 \u05d1\u05d5 \u05d0\u05e0\u05d7\u05e0\u05d5 \u05d0\u05d5\u05de\u05e8\u05d9\u05dd \u05dc\u05ea\u05d5\u05db\u05e0\u05d9\u05ea \u05de\u05d4 \u05dc\u05e2\u05e9\u05d5\u05ea \u05e6\u05e2\u05d3 \u05d0\u05d7\u05e8\u05d9 \u05e6\u05e2\u05d3<\/span><\/strong>. \u05ea\u05d1\u05d9\u05d0 \u05de\u05d9\u05d3\u05e2 \u05de\u05d4-DB, \u05d0\u05d7\u05e8 \u05db\u05da \u05ea\u05e2\u05e9\u05d4 \u05d0\u05d9\u05e7\u05e1 \u05d5\u05db\u05d5'<\/p>\n\n\n\n

Declarative Reactive Programming \u05d4\u05d5\u05d0 \u05ea\u05db\u05e0\u05d5\u05ea \u05d1\u05d5 \u05d0\u05e0\u05d7\u05e0\u05d5 \u05d0\u05d5\u05de\u05e8\u05d9\u05dd \u05de\u05d4 \u05d0\u05e0\u05d7\u05e0\u05d5 \u05e8\u05d5\u05e6\u05d9\u05dd \u05dc\u05e2\u05e9\u05d5\u05ea, \u05dc\u05d0 \u05de\u05d4 \u05d4\u05e6\u05e2\u05d3\u05d9\u05dd<\/strong><\/span>. Declarative Programming \u05de\u05e9\u05e4\u05e8 \u05d0\u05ea \u05d4\u05d1\u05d9\u05e6\u05d5\u05e2\u05d9\u05dd \u05e9\u05dc \u05d4\u05ea\u05d5\u05db\u05e0\u05d9\u05ea.<\/p>\n\n\n\n

\u05dc\u05de\u05e9\u05dc, \u05d1\u05d3\u05e8\u05da \u05db\u05dc\u05dc \u05db\u05d3\u05d9 \u05dc\u05e7\u05d1\u05dc \u05de\u05d9\u05d3\u05e2 \u05de\u05d4-DB \u05e0\u05e2\u05e9\u05d4 subscribe \u05d5\u05d0\u05d7\u05e8 \u05db\u05dc \u05e0\u05e6\u05d8\u05e8\u05da \u05dc\u05e2\u05e9\u05d5\u05ea ubsubscribe, \u05d6\u05d4 \u05d4\u05d0\u05d7\u05e8\u05d9\u05d5\u05ea \u05e9\u05dc \u05d4\u05de\u05e4\u05ea\u05d7. \u05d1-Declarative Programming \u05d6\u05d0\u05ea \u05ea\u05d4\u05d9\u05d4 \u05d4\u05d0\u05d7\u05e8\u05d9\u05d5\u05ea \u05e9\u05dc \u05d4\u05ea\u05d5\u05db\u05e0\u05d9\u05ea \u05d5\u05dc\u05d0 \u05e9\u05dc \u05d4\u05de\u05e4\u05ea\u05d7 \u05dc\u05e2\u05e9\u05d5\u05ea \u05d0\u05ea \u05d6\u05d4. \u05e0\u05e2\u05e9\u05d4 \u05d0\u05ea \u05d6\u05d4 \u05e2\u05dc \u05d9\u05d3\u05d9 async pipe \u05e9\u05de\u05d8\u05e4\u05dc \u05d1\u05d6\u05d4.<\/p>\n\n\n\n

\u05e0\u05ea\u05d7\u05d9\u05dc \u05e2\u05dd \u05d3\u05d5\u05d2\u05de\u05d0 \u05e9\u05dc Imperative Programming. <\/p>\n\n\n\n

\u05dc\u05d3\u05d5\u05d2\u05de\u05d0 \u05d0\u05e0\u05d9 \u05d0\u05e9\u05ea\u05de\u05e9 \u05d1-DB \u05e2\u05dd json-server<\/a>. \u05db\u05de\u05d5 \u05db\u05df \u05d4\u05ea\u05e7\u05e0\u05ea\u05d9 \u05d0\u05ea bootstrap.<\/p>\n\n\n\n

\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd \u05dc\u05d3\u05d5\u05d2\u05de\u05d0 \u05dc\u05e7\u05d7\u05ea\u05d9 \u05de\u05d4\u05d0\u05ea\u05e8 jsonplaceholder<\/a>. \u05dc\u05de\u05d8\u05d4 \u05d9\u05e9 \u05e7\u05d9\u05e9\u05d5\u05e8\u05d9\u05dd, \u05dc\u05d5\u05d7\u05e6\u05d9\u05dd \u05e2\u05dc posts \u05df\u05de\u05e7\u05d1\u05dc\u05d9\u05dd \u05e8\u05e9\u05d9\u05de\u05d4 \u05e9\u05dc \u05e4\u05d5\u05e1\u05d8\u05d9\u05dd. \u05d0\u05e4\u05e9\u05e8 \u05d2\u05dd \u05dc\u05d4\u05e4\u05e0\u05d5\u05ea \u05d9\u05e9\u05d9\u05e8\u05d5\u05ea \u05d0\u05ea \u05d4\u05d1\u05e7\u05e9\u05d4 \u05dc\u05e9\u05e8\u05ea \u05e9\u05dc\u05d4\u05dd \u05d5\u05dc\u05de\u05e9\u05d5\u05da \u05de\u05e9\u05dd \u05d0\u05ea \u05d4\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd \u05d0\u05dd \u05dc\u05d0 \u05e8\u05d5\u05e6\u05d9\u05dd \u05dc\u05d4\u05ea\u05e7\u05d9\u05df \u05d0\u05ea \u05d4-json-server.<\/p>\n\n\n\n

\u05d9\u05e6\u05d9\u05e8\u05ea \u05e7\u05d5\u05de\u05e4\u05d5\u05e0\u05e0\u05d8\u05d5\u05ea \u05d1\u05e1\u05d9\u05e1<\/h2>\n\n\n\n

\u05e0\u05d9\u05e6\u05d5\u05e8 \u05db\u05de\u05d4 \u05e7\u05d5\u05de\u05e4\u05d5\u05e0\u05e0\u05d8\u05d5\u05ea \u05db\u05d3\u05d9 \u05e9\u05e0\u05e8\u05d0\u05d4 \u05de\u05d9\u05d3\u05e2 \u05e2\u05dc \u05d4\u05de\u05e1\u05da.<\/p>\n\n\n

\nng g c --skip-tests=true components\/header\nng g c --skip-tests=true components\/pages\/posts\n<\/pre><\/div>\n\n\n
\u05e0\u05e7\u05d7 header \u05d1\u05e1\u05d9\u05e1\u05d9 \u05e9\u05dc bootstrap.<\/p>\n\n\n\n
\u05e7\u05d5\u05d1\u05e5 header.component.html<\/strong><\/p>\n\n\n
\n<nav class="navbar navbar-expand-lg navbar-light bg-light">\n  <div class="container-fluid">\n    <a class="navbar-brand" href="#">Navbar<\/a>\n\n    <div class="collapse navbar-collapse" id="navbarNav">\n      <ul class="navbar-nav">\n        <li class="nav-item">\n          <a class="nav-link active" aria-current="page" routerLink="\/">Home<\/a>\n        <\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n<\/nav>\n<\/pre><\/div>\n\n\n
\u05e0\u05d5\u05e1\u05d9\u05e3 route \u05dc\u05e7\u05d5\u05de\u05e4\u05d5\u05e0\u05e0\u05d8\u05ea \u05d4\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd \u05e9\u05d9\u05e6\u05e8\u05e0\u05d5.<\/p>\n\n\n\n
\u05e7\u05d5\u05d1\u05e5 app-routing.module.ts<\/strong><\/p>\n\n\n
\nconst routes: Routes = [\n  { path: '', component: PostsComponent }\n];\n<\/pre><\/div>\n\n\n
\u05e0\u05e9\u05d9\u05dd \u05d0\u05ea \u05e7\u05d5\u05d3 \u05d4\u05e7\u05d5\u05de\u05e4\u05d5\u05e0\u05e0\u05d8\u05d5\u05ea \u05d1\u05e2\u05de\u05d5\u05d3 \u05d4\u05e8\u05d0\u05e9\u05d9.<\/p>\n\n\n\n
\u05e7\u05d5\u05d1\u05e5 app.component.html<\/strong><\/p>\n\n\n
\n<app-header><\/app-header>\n\n<div class="container pt-5 pb-5">\n  <div class="row">\n    <div class="col-md-12">\n      <router-outlet><\/router-outlet>\n    <\/div>\n  <\/div>\n<\/div>\n<\/pre><\/div>\n\n\n
\u05d6\u05d4 \u05de\u05d4 \u05e9\u05d9\u05e9 \u05e2\u05dc \u05d4\u05de\u05e1\u05da \u05d1\u05e9\u05dc\u05d1 \u05d4\u05d6\u05d4:<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u05d9\u05e6\u05d9\u05e8\u05ea \u05d4-Service<\/h2>\n\n\n\n
\u05db\u05d3\u05d9 \u05dc\u05de\u05e9\u05d5\u05da \u05d0\u05ea \u05d4\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd, \u05e0\u05d9\u05e6\u05d5\u05e8 service \u05d5\u05e0\u05d9\u05d9\u05d1\u05d0 \u05d0\u05ea HttpClientModule \u05dc-app.module.<\/p>\n\n\n
\nng g s services\/posts\n<\/pre><\/div>\n\n\n
\u05d1-service \u05e0\u05de\u05e9\u05d5\u05da \u05d0\u05ea \u05d4\u05dd\u05d5\u05e1\u05d8\u05d9\u05dd:<\/p>\n\n\n\n
\u05e7\u05d5\u05d1\u05e5 posts.service.ts<\/strong><\/p>\n\n\n
\nexport class PostsService {\n  baseUrl = 'http:\/\/localhost:3000';\n\n  constructor(private http: HttpClient) { }\n\n  getPosts(){\n    return this.http.get(`${this.baseUrl}\/posts`);\n  }\n}\n<\/pre><\/div>\n\n\n
\u05d0\u05e0\u05d7\u05e0\u05d5 \u05de\u05e7\u05d1\u05dc\u05d9\u05dd \u05de\u05d1\u05e4\u05d5\u05e0\u05e7\u05e6\u05d9\u05d4 getPosts \u05d1\u05d7\u05d6\u05e8\u05d4 observable. \u05e0\u05e2\u05d1\u05d5\u05e8 \u05dc\u05e7\u05d5\u05de\u05e4\u05d5\u05e0\u05e0\u05d8\u05ea \u05d4-posts \u05df\u05e0\u05e7\u05e8\u05d0 \u05dc\u05e4\u05d5\u05e0\u05e7\u05e6\u05d9\u05d4 getPosts \u05e9\u05dc \u05d4-service.<\/p>\n\n\n\n
\u05e7\u05d5\u05d1\u05e5 posts.component.ts<\/strong><\/p>\n\n\n
\nexport class PostsComponent {\n  constructor(private postsService: PostsService){}\n\n  ngOnInit(){\n    this.postsService.getPosts().subscribe(data => {\n      console.log(data);\n    });\n  }\n}\n<\/pre><\/div>\n\n\n
\u05e2\u05db\u05e9\u05d9\u05d5 \u05d0\u05e4\u05e9\u05e8 \u05dc\u05e8\u05d0\u05d5\u05ea \u05d1\u05e7\u05d5\u05e0\u05e1\u05d5\u05dc \u05d0\u05ea \u05e8\u05e9\u05d9\u05de\u05ea \u05d4\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd. \u05e2\u05d3 \u05e2\u05db\u05e9\u05d9\u05d5 \u05dc\u05d0 \u05e2\u05e9\u05d9\u05e0\u05d5 \u05de\u05e9\u05d4\u05d5 \u05e9\u05d5\u05e0\u05d4 \u05de\u05e7\u05e8\u05d9\u05d0\u05d4 \u05e8\u05d2\u05d9\u05dc\u05d4 \u05de-DB.<\/p>\n\n\n\n
\u05db\u05d3\u05d9 \u05dc\u05d4\u05e8\u05d0\u05d5\u05ea \u05e2\u05dc \u05d4\u05de\u05e1\u05da \u05d0\u05ea \u05d4\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd, \u05e0\u05d9\u05e6\u05d5\u05e8 \u05e7\u05d5\u05d1\u05e5 \u05de\u05d5\u05d3\u05dc \u05dc\u05e4\u05d5\u05e1\u05d8.<\/p>\n\n\n\n
\u05e7\u05d5\u05d1\u05e5 post.model.ts<\/strong><\/p>\n\n\n
\nexport interface Post{\n  userId: string,\n  id: string,\n  title: string,\n  body: string\n}\n<\/pre><\/div>\n\n\n
\u05e0\u05e2\u05d3\u05db\u05df \u05d0\u05ea \u05d4-service \u05e9\u05d4\u05d5\u05d0 \u05de\u05e7\u05d1\u05dc \u05de\u05e2\u05e8\u05da \u05e9\u05dc \u05e4\u05d5\u05e1\u05d8\u05d9\u05dd:<\/p>\n\n\n\n
\u05e7\u05d5\u05d1\u05e5 posts.service.ts<\/strong><\/p>\n\n\n
\ngetPosts(){\n    return this.http.get<Post[]>(`${this.baseUrl}\/posts`);\n}\n<\/pre><\/div>\n\n\n
\u05d5\u05e0\u05db\u05d9\u05dc \u05d0\u05ea \u05e8\u05e9\u05d9\u05de\u05ea \u05d4\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd \u05d1\u05e7\u05d5\u05de\u05e4\u05d5\u05e0\u05e0\u05d8\u05d4 \u05db\u05d3\u05d9 \u05e9\u05e0\u05d5\u05db\u05dc \u05dc\u05d4\u05e6\u05d9\u05d2 \u05d0\u05d5\u05ea\u05dd.<\/p>\n\n\n\n
\u05e7\u05d5\u05d1\u05e5 posts.component.ts<\/strong><\/p>\n\n\n
\nexport class PostsComponent {\n  posts: Post[] = [];\n  postsSubscription!: Subscription;\n\n  constructor(private postsService: PostsService){}\n\n  ngOnInit(){\n    this.postsSubscription = this.postsService.getPosts().subscribe(data => {\n      this.posts = data;\n      console.log(data);\n    });\n  }\n\n  ngOnDestroy(){\n    this.postsSubscription && this.postsSubscription.unsubscribe();\n  }\n}\n<\/pre><\/div>\n\n\n
\u05d4\u05e6\u05d2\u05ea \u05d4\u05de\u05d9\u05d3\u05e2<\/h2>\n\n\n\n
\u05e0\u05e6\u05d9\u05d2 \u05d0\u05ea \u05d4\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd.<\/p>\n\n\n\n
\u05e7\u05d5\u05d1\u05e5 posts.component.html<\/strong><\/p>\n\n\n
\n<div class="row">\n  <div class="col-md-12">\n    <h3>Posts Data<\/h3>\n\n    <table class="table">\n      <thead>\n        <tr>\n          <th>Id<\/th>\n          <th>Title<\/th>\n          <th>Body<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr *ngFor="let post of posts">\n          <td>{{ post.id }}<\/td>\n          <td>{{ post.title }}<\/td>\n          <td>{{ post.body }}<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/div>\n<\/pre><\/div>\n\n\n
\u05d5\u05d4\u05de\u05e1\u05da \u05e0\u05e8\u05d0\u05d4 \u05db\u05db\u05d4:<\/p>\n\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n
\u05e0\u05e1\u05d1\u05da \u05e7\u05e6\u05ea \u05d0\u05ea \u05d4\u05e7\u05d5\u05d3. \u05e0\u05d5\u05e1\u05d9\u05e3 \u05dc-DB \u05d8\u05d1\u05dc\u05ea \u05e7\u05d8\u05d2\u05d5\u05e8\u05d9\u05d5\u05ea \u05e2\u05dd id, title \u05dc\u05db\u05dc \u05e7\u05d8\u05d2\u05d5\u05e8\u05d9\u05d4. \u05e0\u05d5\u05e1\u05d9\u05e3 \u05dc\u05db\u05dc \u05e4\u05d5\u05e1\u05d8 id \u05dc\u05e7\u05d8\u05d2\u05d5\u05e8\u05d9\u05d4 \u05d5\u05e0\u05de\u05e9\u05d5\u05da \u05dc\u05d8\u05d1\u05dc\u05d4 \u05d0\u05ea \u05d4\u05de\u05e1\u05e4\u05e8\u05d9\u05dd \u05d4\u05d0\u05dc\u05d4.<\/p>\n\n\n\n
\u05e2\u05db\u05e9\u05d9\u05d5 \u05d4\u05ea\u05e6\u05d5\u05d2\u05d4 \u05e0\u05e8\u05d0\u05d9\u05ea \u05db\u05db\u05d4:<\/p>\n\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n
\u05db\u05de\u05d5\u05d1\u05df \u05e9\u05d1\u05e2\u05de\u05d5\u05d3\u05ea \u05d4\u05e7\u05d8\u05d2\u05d5\u05e8\u05d9\u05d4 \u05d0\u05e0\u05d7\u05e0\u05d5 \u05dc\u05d0 \u05e8\u05d5\u05e6\u05d9\u05dd \u05dc\u05e8\u05d0\u05d5\u05ea \u05de\u05e1\u05e4\u05e8 \u05d0\u05dc\u05d0 \u05d0\u05ea \u05e9\u05dd \u05d4\u05e7\u05d8\u05d2\u05d5\u05e8\u05d9\u05d4.<\/p>\n\n\n\n
\u05e0\u05d9\u05e6\u05d5\u05e8 interface \u05dc\u05e7\u05d8\u05d2\u05d5\u05e8\u05d9\u05d5\u05ea \u05d5\u05e0\u05d9\u05e6\u05d5\u05e8 service \u05dc\u05e7\u05d8\u05d2\u05d5\u05e8\u05d9\u05d5\u05ea \u05e9\u05d1\u05d5 \u05e0\u05e7\u05d1\u05dc \u05d0\u05ea \u05e8\u05e9\u05d9\u05de\u05ea \u05d4\u05e7\u05d8\u05d2\u05d5\u05e8\u05d9\u05d5\u05ea.<\/p>\n\n\n\n
\u05e7\u05d5\u05d1\u05e5 post.model.ts<\/strong><\/p>\n\n\n
\nexport interface Category{\n  id: string,\n  title: string\n}\n<\/pre><\/div>\n\n\n
\u05e7\u05d5\u05d1\u05e5 categories.service.ts<\/strong><\/p>\n\n\n
\nexport class CategoriesService {\n  baseUrl = 'http:\/\/localhost:3000';\n\n  constructor(private http: HttpClient) { }\n\n  getCategories(){\n    return this.http.get<Category[]>(`${this.baseUrl}\/categories`);\n  }\n}\n<\/pre><\/div>\n\n\n
\u05e2\u05db\u05e9\u05d9\u05d5 \u05e6\u05e8\u05d9\u05da \u05dc\u05e2\u05e9\u05d5\u05ea \u05db\u05de\u05d4 \u05e4\u05e2\u05d5\u05dc\u05d5\u05ea:<\/p>\n\n\n\n
    \n
  1. \u05e0\u05d5\u05e1\u05d9\u05e3 \u05d0\u05ea categoryName \u05dc\u05de\u05d5\u05d3\u05dc \u05d4\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd \u05e9\u05dc\u05e0\u05d5.<\/li>\n\n\n\n
  2. \u05e0\u05d6\u05e8\u05d9\u05e7 \u05dc-service \u05e9\u05dc \u05d4\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd \u05d0\u05ea \u05d4-CategoriesService.<\/li>\n\n\n\n
  3. \u05e0\u05d9\u05e6\u05d5\u05e8 \u05d1-service \u05e4\u05d5\u05e0\u05e7\u05e6\u05d9\u05d4 \u05e9\u05de\u05d7\u05d6\u05d9\u05e8\u05d4 \u05d0\u05ea \u05d4\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd \u05e2\u05dd \u05d4\u05e7\u05d8\u05d2\u05d5\u05e8\u05d9\u05d5\u05ea. <\/li>\n\n\n\n
  4. \u05e0\u05e9\u05e0\u05d4 \u05d0\u05ea \u05d4\u05e4\u05d5\u05e0\u05e7\u05e6\u05d9\u05d4 \u05e9\u05e7\u05d5\u05e8\u05d0\u05ea \u05dc\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd \u05dc\u05d6\u05d5 \u05d4\u05d7\u05d3\u05e9\u05d4 \u05e2\u05dd \u05e9\u05de\u05d5\u05ea \u05d4\u05e7\u05d8\u05d2\u05d5\u05e8\u05d9\u05d5\u05ea.<\/li>\n<\/ol>\n\n\n\n
    \u05e7\u05d5\u05d1\u05e5 posts.model.ts<\/strong><\/p>\n\n\n
    \nexport interface Post{\n  userId: string,\n  id: string,\n  title: string,\n  body: string,\n  categoryId: string,\n  categoryName?: string\n}\n\nexport interface Category{\n  id: string,\n  title: string\n}\n<\/pre><\/div>\n\n\n
    \u05e7\u05d5\u05d1\u05e5 posts.service.ts<\/strong><\/p>\n\n\n
    \ngetPostsWithCategories(){\n    return this.getPosts().pipe(\n      mergeMap(posts => {\n        return this.categoriesService.getCategories()\n          .pipe(map(categories => {\n            return posts.map(post => {\n              return {\n                ...post,\n                categoryName: categories.find(category => category.id == post.categoryId)?.title\n              }\n            })\n          }));\n      })\n    )\n  }\n<\/pre><\/div>\n\n\n
    \u05e7\u05d5\u05d1\u05e5 posts.component.ts<\/strong><\/p>\n\n\n
    \nngOnInit(){\n    this.postsSubscription = this.postsService.getPostsWithCategories().subscribe(data => {\n      this.posts = data;\n    });\n}\n<\/pre><\/div>\n\n\n
    \u05e7\u05d5\u05d1\u05e5 posts.component.html<\/strong><\/p>\n\n\n
    \n<tbody>\n        <tr *ngFor="let post of posts">\n          <td>{{ post.id }}<\/td>\n          <td>{{ post.title }}<\/td>\n          <td>{{ post.body }}<\/td>\n          <td>{{ post.categoryName }}<\/td>\n        <\/tr>\n<\/tbody>\n<\/pre><\/div>\n\n\n
    \u05e2\u05db\u05e9\u05d9\u05d5 \u05d8\u05d1\u05dc\u05ea \u05d4\u05e4\u05d5\u05e1\u05d8\u05d9\u05dd \u05e0\u05e8\u05d0\u05d9\u05ea \u05db\u05db\u05d4:<\/p>\n\n\n
    \n
    \"\"<\/figure>\n<\/div>\n\n\n
    \u05e2\u05d3 \u05e2\u05db\u05e9\u05d9\u05d5 \u05db\u05dc \u05de\u05d4 \u05e9\u05e2\u05e9\u05d9\u05e0\u05d5 \u05e0\u05db\u05e0\u05e1 \u05d1\u05ea\u05d5\u05da Imperative Programming. \u05d0\u05e0\u05d7\u05e0\u05d5 \u05d0\u05d5\u05de\u05e8\u05d9\u05dd \u05dc\u05ea\u05d5\u05db\u05e0\u05d9\u05ea \u05e6\u05e2\u05d3 \u05d0\u05d7\u05e8\u05d9 \u05e6\u05e2\u05d3 \u05de\u05d4 \u05dc\u05e2\u05e9\u05d5\u05ea.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Imperative Programming Imperative Programming \u05d4\u05d5\u05d0 \u05ea\u05db\u05e0\u05d5\u05ea \u05de\u05e1\u05d5\u05e8\u05ea\u05d9 \u05d1\u05d5 \u05d0\u05e0\u05d7\u05e0\u05d5 \u05d0\u05d5\u05de\u05e8\u05d9\u05dd \u05dc\u05ea\u05d5\u05db\u05e0\u05d9\u05ea \u05de\u05d4 \u05dc\u05e2\u05e9\u05d5\u05ea \u05e6\u05e2\u05d3 \u05d0\u05d7\u05e8\u05d9 \u05e6\u05e2\u05d3. \u05ea\u05d1\u05d9\u05d0 \u05de\u05d9\u05d3\u05e2 \u05de\u05d4-DB, \u05d0\u05d7\u05e8 \u05db\u05da \u05ea\u05e2\u05e9\u05d4 \u05d0\u05d9\u05e7\u05e1 \u05d5\u05db\u05d5' Declarative Reactive Programming \u05d4\u05d5\u05d0 \u05ea\u05db\u05e0\u05d5\u05ea \u05d1\u05d5 \u05d0\u05e0\u05d7\u05e0\u05d5 \u05d0\u05d5\u05de\u05e8\u05d9\u05dd \u05de\u05d4 \u05d0\u05e0\u05d7\u05e0\u05d5 \u05e8\u05d5\u05e6\u05d9\u05dd \u05dc\u05e2\u05e9\u05d5\u05ea, \u05dc\u05d0 \u05de\u05d4 \u05d4\u05e6\u05e2\u05d3\u05d9\u05dd. Declarative Programming \u05de\u05e9\u05e4\u05e8 \u05d0\u05ea \u05d4\u05d1\u05d9\u05e6\u05d5\u05e2\u05d9\u05dd \u05e9\u05dc \u05d4\u05ea\u05d5\u05db\u05e0\u05d9\u05ea. \u05dc\u05de\u05e9\u05dc, \u05d1\u05d3\u05e8\u05da \u05db\u05dc\u05dc \u05db\u05d3\u05d9 \u05dc\u05e7\u05d1\u05dc \u05de\u05d9\u05d3\u05e2 \u05de\u05d4-DB \u05e0\u05e2\u05e9\u05d4 subscribe […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[26],"tags":[],"class_list":["post-1306","post","type-post","status-publish","format-standard","hentry","category-rxjs","entry"],"yoast_head":"\nImperative Programming - Code Notebook<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/epicmarketing.co.il\/notebook\/imperative-programming\/\" \/>\n<meta property=\"og:locale\" content=\"he_IL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Imperative Programming - Code Notebook\" \/>\n<meta property=\"og:description\" content=\"Imperative Programming Imperative Programming \u05d4\u05d5\u05d0 \u05ea\u05db\u05e0\u05d5\u05ea \u05de\u05e1\u05d5\u05e8\u05ea\u05d9 \u05d1\u05d5 \u05d0\u05e0\u05d7\u05e0\u05d5 \u05d0\u05d5\u05de\u05e8\u05d9\u05dd \u05dc\u05ea\u05d5\u05db\u05e0\u05d9\u05ea \u05de\u05d4 \u05dc\u05e2\u05e9\u05d5\u05ea \u05e6\u05e2\u05d3 \u05d0\u05d7\u05e8\u05d9 \u05e6\u05e2\u05d3. \u05ea\u05d1\u05d9\u05d0 \u05de\u05d9\u05d3\u05e2 \u05de\u05d4-DB, \u05d0\u05d7\u05e8 \u05db\u05da \u05ea\u05e2\u05e9\u05d4 \u05d0\u05d9\u05e7\u05e1 \u05d5\u05db\u05d5' Declarative Reactive Programming \u05d4\u05d5\u05d0 \u05ea\u05db\u05e0\u05d5\u05ea \u05d1\u05d5 \u05d0\u05e0\u05d7\u05e0\u05d5 \u05d0\u05d5\u05de\u05e8\u05d9\u05dd \u05de\u05d4 \u05d0\u05e0\u05d7\u05e0\u05d5 \u05e8\u05d5\u05e6\u05d9\u05dd \u05dc\u05e2\u05e9\u05d5\u05ea, \u05dc\u05d0 \u05de\u05d4 \u05d4\u05e6\u05e2\u05d3\u05d9\u05dd. Declarative Programming \u05de\u05e9\u05e4\u05e8 \u05d0\u05ea \u05d4\u05d1\u05d9\u05e6\u05d5\u05e2\u05d9\u05dd \u05e9\u05dc \u05d4\u05ea\u05d5\u05db\u05e0\u05d9\u05ea. \u05dc\u05de\u05e9\u05dc, \u05d1\u05d3\u05e8\u05da \u05db\u05dc\u05dc \u05db\u05d3\u05d9 \u05dc\u05e7\u05d1\u05dc \u05de\u05d9\u05d3\u05e2 \u05de\u05d4-DB \u05e0\u05e2\u05e9\u05d4 subscribe […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/epicmarketing.co.il\/notebook\/imperative-programming\/\" \/>\n<meta property=\"og:site_name\" content=\"Code Notebook\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-26T10:12:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-26T10:14:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/epicmarketing.co.il\/notebook\/wp-content\/uploads\/2023\/09\/declarative1-1024x102.png\" \/>\n<meta name=\"author\" content=\"kerendanino\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u05e0\u05db\u05ea\u05d1 \u05e2\u05dc \u05d9\u05d3\" \/>\n\t<meta name=\"twitter:data1\" content=\"kerendanino\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u05d6\u05de\u05df \u05e7\u05e8\u05d9\u05d0\u05d4 \u05de\u05d5\u05e2\u05e8\u05da\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u05d3\u05e7\u05d5\u05ea\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/epicmarketing.co.il\\\/notebook\\\/imperative-programming\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/epicmarketing.co.il\\\/notebook\\\/imperative-programming\\\/\"},\"author\":{\"name\":\"kerendanino\",\"@id\":\"https:\\\/\\\/epicmarketing.co.il\\\/notebook\\\/#\\\/schema\\\/person\\\/195dfc625818eadda7903d456890e24c\"},\"headline\":\"Imperative Programming\",\"datePublished\":\"2023-09-26T10:12:01+00:00\",\"dateModified\":\"2023-09-26T10:14:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/epicmarketing.co.il\\\/notebook\\\/imperative-programming\\\/\"},\"wordCount\":100,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\\\/\\\/epicmarketing.co.il\\\/notebook\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/epicmarketing.co.il\\\/notebook\\\/imperative-programming\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/epicmarketing.co.il\\\/notebook\\\/wp-content\\\/uploads\\\/2023\\\/09\\\/declarative1-1024x102.png\",\"articleSection\":[\"Rxjs\"],\"inLanguage\":\"he-IL\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/epicmarketing.co.il\\\/notebook\\\/imperative-programming\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/epicmarketing.co.il\\\/notebook\\\/imperative-programming\\\/\",\"url\":\"https:\\\/\\\/epicmarketing.co.il\\\/notebook\\\/imperative-programming\\\/\",\"name\":\"Imperative Programming - 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