Exploring how software engineers build web applications like Twitter, emphasizing languages and frameworks. Evolution of web development from basic HTML to advanced applications. Understanding HTTP requests, technical process of using Twitter, making requests to servers. Full-stack development, CRUD applications, and front-end complexity evolving to Node.js.
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Quick takeaways
Web applications offer flexibility and accessibility, reducing the need for physical software purchases and enabling swift issue resolution.
Understanding the front-end and back-end components of web applications, along with HTTP requests, is essential for successful web development.
Deep dives
Overview of Web App Development
Web applications are vital in the software engineering field, with most jobs revolving around web development. Unlike in the past where web development meant just basic HTML and CSS knowledge, the present-day web developer needs a much wider skill set. The prominence of web applications stems from their flexibility and accessibility, eliminating the need for physical software purchases, offering immediate updates, and ease of fixing issues swiftly. Understanding web app development is crucial for aspiring software engineers due to the prevalence of web-based work environments.
Front-End and Back-End Development
A web application comprises two main components: front-end and back-end. The front-end, which users interact with directly, involves HTML, CSS, and JavaScript. HTML structures the content, CSS styles the website, and JavaScript creates dynamic user interactions. On the other hand, the back-end manages data, typically through databases and APIs. The back-end handles requests from the front-end, stores and retrieves data, and communicates effectively between the database and user interface.
HTTP Requests and Responses
The interaction between front-end and back-end relies on HTTP requests and responses. Four common HTTP request types align with CRUD operations: GET for reading data, POST for creating new data, PUT for updating existing data, and DELETE for removing data. These requests and responses ensure seamless communication between the user interface and the back-end server, facilitating data transfer and application functionality.
Building a Full-Stack Application
Developing a full-stack application incorporates front-end technologies like React and back-end technologies like Node.js. Full-stack applications follow the CRUD pattern, enabling users to create, read, update, and delete data. Understanding the complexity and components of full-stack development, including UI intricacies and large-scale server capacity management, is crucial for building robust and functional web applications.
What do Software Engineers actually build, and how? Primarily, they build "web applications" (think, Twitter, Gmail, Coinbase, etc).
On this week's episode of Develop Yourself, we're going deep with a beginners step-by-step guide into how a web application is built.
We'll talk about the languages, tools and frameworks that it takes to build a web application, but more important, we'll give you the context necessary to learn your next skill that will eventually lead you to becoming a front-end, back-end or even full-stack developer.