Angular Roadmap for Beginners in 2022.

🧵

⇝ Fundamentals ⇜

➙ Typescript
➙ Angular CLI
➙ NgModules

• Components

➙ Class
➙ Template
➙ Metadata

• Template Syntax

➙ Interpolation
➙ Property Binding
➙ Two-way binding
➙ Pipes
➙ Template Reference Variables
➪ Directives

➪ Component

• Structural
➙ ngSwitch
➙ ngFor
➙ ngIf

• Attribute
➙ NgClass
➙ NgStyle
➪ Component Styling
➙ Input
➙ Output

➪ Component Interaction
➙ Lifecycle methods
⇝ Advanced Topics ⇜

➪ Services

➙ Dependency Injection
➙ Providing Services

➪ Observables

➙ Creating Observables
➙ Subscribing to Observables
➙ Executing Observables
➙ Disposing Observables
➙ Operators
➪ HTTP Client

➙ HTTPClient
➙ GET, POST, PUT & DELETE
➙ Typed Response
➙ Error Handling
➙ Interceptors
➪ Forms

• Template Driven Forms

➙ FormsModule
➙ NgForm
➙ NgModel
➙ Ng Model Group
➙ Tracking State and Validity
➙ Validation and error messages
➙ ng submit
• Reactive Forms

➙ ReactiveFormsModule
➙ FormControl
➙ FormGroup
➙ setValue and patchValue
➙ Form builder Service
➙ Validatior Functions
➙ Form array
➙ ng submit
➪ Routing

➙ RouterModule
➙ Configuring Routes
➙ Router Outlet
➙ router link
➙ Wildcard routes
➙ Redirecting Routes
➙ Route parameters
➙ Nested Routes
➙ Relative paths
➙ Lazy loading Routes
➙ Route Guards
➪ Animations

➪ Ecosystem

➪ State management
➙ ngRx

➪ UI library
➙ Angular material

➪ Server side rendering
➙ Angular universal
➪ Testing
➙ Jasmine and karma
➙ Profractor

➪ Miscellaneous
➙ i18n
➙ Accessibility
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I'm going to do two history threads on Ethiopia, one on its ancient history, one on its modern story (1800 to today). 🇪🇹

I'll begin with the ancient history ... and it goes way back. Because modern humans - and before that, the ancestors of humans - almost certainly originated in Ethiopia. 🇪🇹 (sub-thread):


The first likely historical reference to Ethiopia is ancient Egyptian records of trade expeditions to the "Land of Punt" in search of gold, ebony, ivory, incense, and wild animals, starting in c 2500 BC 🇪🇹


Ethiopians themselves believe that the Queen of Sheba, who visited Israel's King Solomon in the Bible (c 950 BC), came from Ethiopia (not Yemen, as others believe). Here she is meeting Solomon in a stain-glassed window in Addis Ababa's Holy Trinity Church. 🇪🇹


References to the Queen of Sheba are everywhere in Ethiopia. The national airline's frequent flier miles are even called "ShebaMiles". 🇪🇹