Angular is a powerful framework developed by Google that allows developers to create dynamic single-page applications (SPAs) with ease. As a beginner, understanding the core concepts of Angular is crucial for harnessing its full potential. This guide will introduce you to the fundamental building blocks of Angular, including components, modules, and services. By focusing on the structure and reusability that Angular offers, you'll learn how to streamline your development process and create efficient web applications.

To get started with Angular, it's essential to set up your development environment. Here are the key steps to follow:

1. Install Node.js: Angular requires Node.js for development, so ensure you have the latest version.
2. Install Angular CLI: The Angular Command Line Interface (CLI) makes it easy to create and manage Angular projects.
3. Create a new Angular project: Use the CLI to generate a new project and start coding your first application!

By following these steps and continuing to explore the rich ecosystem of Angular, you'll be well on your way to unlocking the power of this robust framework.

Angular is a powerful framework that provides developers with a wide range of features to build robust and dynamic web applications. Here are the Top 10 Angular Features Every Developer Should Know:

1. Two-Way Data Binding: This feature allows automatic synchronization between the model and the view, making it easier to manage user input and application state.
2. Dependency Injection: Angular’s built-in dependency injection system simplifies the development process by promoting code reusability and testability.
3. Component-Based Architecture: By organizing code into components, developers can create reusable UI elements, improving maintainability and scalability.
4. Directives: Angular directives extend HTML capabilities with custom behavior, allowing developers to implement complex functionalities without compromising code quality.
5. Routing: The Angular Router enables navigation and deep linking in single-page applications, ensuring users can easily access different views.
6. Reactive Programming: With RxJS, Angular supports reactive programming, allowing developers to handle asynchronous operations efficiently.
7. Forms Management: Angular provides powerful form handling capabilities, including reactive and template-driven forms, streamlining form validation and submission.
8. Optimized Performance: Angular features such as Ahead-of-Time (AOT) compilation and Lazy Loading significantly enhance application performance.
9. Platform Agnostic: Although primarily used for web apps, Angular can also be used to build mobile apps with frameworks like NativeScript or Ionic.
10. Community and Ecosystem: With a strong community and a rich ecosystem of libraries and tools, developers have access to a plethora of resources and support.

When developing applications with Angular, one of the most prevalent issues developers face is improper component management. Common Angular mistakes include failing to effectively manage component lifecycles, leading to performance bottlenecks and memory leaks. To avoid this, ensure that you properly utilize Angular hooks such as ngOnInit and ngOnDestroy. Additionally, be cautious when using services; injecting them into too many components can result in unnecessary complexity and decreased performance.

Another frequent mistake is neglecting adherence to the Angular style guide. This guide provides best practices that enhance readability and maintainability, which are critical for any scalable application. Developers often overlook the importance of modular architecture and lazy loading, which can improve your app's load time significantly. To avoid falling into this trap, always strive to keep your application structure organized and follow the guidelines established in the Angular community.