Angular is an open-source web application framework created by Google for building dynamic and responsive web applications. It uses a combination of HTML, CSS, and TypeScript, and is popular among developers due to its efficiency, flexibility, and ease of use.

One of the key features of Angular is its use of components, which are modular pieces of code that can be reused throughout an application. Components allow developers to separate the logic and presentation of an application, making it easier to maintain and update over time.

Another important feature of Angular is its use of a reactive programming model, which enables the creation of complex user interfaces that respond quickly to user actions. This model is achieved through the use of Observables and the RxJS library, which allow developers to write code that reacts to changes in data and events in real-time.

Angular also includes a number of built-in tools and libraries that simplify the development process. These include the Angular CLI, which provides a set of command-line tools for generating code and managing dependencies, and the Angular Material library, which provides a collection of pre-built UI components for common design patterns.

When it comes to coding hacks in Angular, there are many techniques and best practices that developers can use to streamline their workflow and improve the performance of their applications.

Some of these include:

Using lazy loading: This technique involves loading only the parts of an application that are needed at a particular time, rather than loading the entire application at once. This can significantly improve the performance of an application, especially for larger projects.

Optimizing change detection: Angular uses a mechanism called change detection to detect changes in data and update the view accordingly. However, this process can be resource-intensive, especially for complex applications. Developers can optimize change detection by using techniques like OnPush change detection, which reduces the frequency of change detection checks.

Using AOT compilation: Ahead-of-Time (AOT) compilation is a technique that compiles an Angular application during the build process, rather than at runtime. This can improve the performance of an application, as it reduces the amount of code that needs to be processed by the browser. Using Angular Universal: Angular Universal is a server-side rendering engine for Angular applications. By rendering an application on the server, rather than in the browser, Angular Universal can improve the performance and SEO of an application.

Overall, Angular is a powerful and flexible framework that provides developers with a wide range of tools and techniques for building dynamic and responsive web applications. By following best practices and using coding hacks like those listed above, developers can improve the performance and maintainability of their applications, while also making the development process more efficient and enjoyable.