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Node.js Crash Course: Build a REST API in a Weekend

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4.7727275(3.1K students)

Self-paced

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About this course

Node. js is one of the most popular backend runtimes because it makes building fast and scalable server-side applications simple. Start your journey with Node.

js—the essential runtime for JavaScript developers. This course covers the basics: Environment Setup, Event Loop, Async/Await, Modules, HTTP Core Module, REST APIs, and Routing. Step by step, you will build a complete REST API and understand how to handle requests, responses, environment variables to create production-ready backend apps.

If you plan to start your career as a Backend Developer or want to expand your programming skills beyond the frontend, this course is right for you. What's in this course? Learn what Node.

js is, why it’s popular, and how to set up your first projectInitialize a project with NPM and understand the difference between Node. js and the BrowserExplore the Event Loop, work with Promises, and use Async/Await for asynchronous codeUnderstand ES and CommonJS modules with practical code examplesWork with the HTTP core module, REST APIs, URLs, Query Strings, and Environment VariablesBuild complete REST API routes with GET, POST, PUT, DELETE, and filtering by queryThis Course includesTheory and Practice: Lectures with many practical examples (3-10 min lessons duration). Source Code Examples: Full access to source code for all projects and exercises (practice on your own).

Udemy Certificate: which you will receive after completing the course. Support: If you have any questions, we will always be willing to answer them. Meet your instructor!

Dmytro Vasyliev - Senior Front-end Engineer with more than 10 years of professional experience in developing complex Web Applications. I have extensive experience with React and other frameworks, having used it in various projects to build dynamic and efficient user interfaces. Do you need to be concerned?

This course comes with a 30-day money-back guarantee. Join our course today to learn how to build your first application in React!

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Duration: Self-paced

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Are you a complete beginner who wants to learn Python but feels overwhelmed by confusing tutorials?This course is your clear, fast, and practical path into the world of programming.No prior experience needed.Just your curiosity, a computer, and the desire to build something real.You’ll learn by doing — writing code from the very first lesson, completing hands-on tasks, and building projects like a password checker, a simple notebook, and even a live web app.By the end, you’ll have the confidence and skills to automate tasks, analyze data, or continue into web development and data science.What You’ll Learn- Write and run Python programs from scratch- Use variables, data types, and control structures- Work with lists, dictionaries, and files- Create functions and use built-in modules- Build and deploy a simple web app with Flask- Debug errors and write clean, readable code- Complete real practice tasks in every sectionWho This Course Is For- Absolute beginners with no coding experience- Students and career changers entering tech- Professionals who want to automate tasks- Anyone curious about programming, AI, or dataCourse Structure — Section DescriptionsSection 01: Course IntroductionGet started fast with Python: learn why it’s beginner-friendly, see the course roadmap, and set up your coding environment.Section 02: Getting Started: Syntax BasicsWrite your first program and master variables, data types, input/output, and error handling.Section 03: Control StructuresUse if/else and for/while loops to make decisions and automate tasks in your code.Section 04: Data StructuresStore and manage data efficiently using lists, tuples, sets, and dictionaries.Section 05: Functions and Modules BasicsCreate reusable functions and use Python’s built-in modules to write cleaner, smarter code.Section 06: Working with FilesRead from and write to files—essential for handling real-world data like logs and reports.Section 07: Simple Python Web AppBuild and deploy a live web app using Flask—your first step into web development.Section 08: Course Summary and Next StepsReview your progress and discover how to keep learning, building projects, and growing as a developer.Requirements- A computer with Windows, Mac, or Linux- Internet connection (to download Python and VS Code)- No prior programming knowledge requiredReady to Start Your Coding Journey?Click "Enroll Now" and take your first step into the world of Python — today.Your future as a programmer begins with one line of code.

React Crash Course: From Zero to Hero

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Unlock the power of modern web development with our comprehensive React JS course! Perfect for beginners and those looking to enhance their skills, this course will take you from zero to creating dynamic, interactive web applications in no time.Each section is designed with detailed lectures and hands-on examples to reinforce your learning. By the end of this course, you’ll be equipped with the skills to build and deploy sophisticated React applications.Don't miss this opportunity to dive into the world of React JS and elevate your web development expertise!Enroll today to expand your knowledge!In this course, we’ll start with setting up a development environment, creating your first application in React and finishing up by managing component states! With our course, you will gain foundational knowledge of how to create React components, share data between components, style React components and more.Meet your instructor!Dmytro Vasyliev is a Senior Front-end Engineer with more than 9 years of professional experience in developing web applications. He has been working with various clients around the world and has gained extensive experience with React.Throughout the course, Dmytro will provide numerous examples; therefore, he prepared some additional materials and quizzes for you to help you learn React.JS easier and faster.Who is this course for?For everyone who is thrilled to learn about React.JS - the top JavaScript library for web application buildingThere are no special requirements for taking this course. But it would be helpful if you knew a little bit about JavaScript. But don't worry if you don't have this knowledge! Our instructor has prepared a bunch of materials for you to be ready for taking our course!Our React Crash Course includes:Theory and Practice: 2+ hours of lectures with many examples. Lessons range from 3 to 10 minutes and are easy to follow.Lifetime access to the course and any future updates.Support: If you have any questions, we will always be willing to answer them.Complete the course and receive an Udemy certificate.What will students discover throughout this course?The core knowledge of React.JSHow to set up a development environmentReact application creationHow to create and organize the first React componentHow to successfully write JSX markupStyling React componentsHow to manage component state using the useState hookAnd much more.Do you need to be concerned?This course comes with a 30-day money-back guarantee.Join our course today to learn how to build your first application in React!

React.js AI Chatbot built with ChatGPT and Gemini AI

Udemy Instructor

DescriptionUnlock the power of AI to create smart and interactive applications that engage users in real time and stand out in today's market.Hi, my name is Dmytro Vasyliev and welcome to my course: “React.js AI Chatbot built with ChatGPT and Gemini AI”! I'll show you how to build a real-time AI chatbot using React, ChatGPT and Google Gemini APIs.You'll learn how to build many chatbot features such as real-time message streaming, auto-resizable text field, auto-scrolling to the last message, markdown and dark mode support, and much more.This course is practical, so you can apply what you learn straight away. This course will help you build a functional AI chatbot, whether you're a developer with some React experience or someone who wants to dive deeper into AI integration with React.This course is easy to learn. I'll show you how to build features, integrate AI and improve the user experience using React best practices. You'll understand how to handle both the front-end and AI aspects, so you can build your own AI-powered applications.Who is this course for?Developers and students with basic React.js knowledge looking to explore and learn something newPeople who want to learn how to integrate Open AI (ChatGPT) and Google AI (Gemini) into frontend applicationsWhat's in this course?Getting Started: Learn the basics of setting up your development environment, including configuring your browser, code editor, and Node.js with npm. Understand the importance of preparing your workspace for a successful React project.Building Chatbot UI: Learn how to design and implement the core structure of the chatbot interface. This includes creating the app layout, displaying chat messages, adding a text input field, and handling message interactions within the chat component.Implementing Chat with AI: Discover how to connect your chatbot to Google AI (Gemini) and OpenAI (ChatGPT). Learn how to obtain and manage API keys, integrate the APIs for real-time chat functionality, and isolate logic for reusability.Streaming Messages with AI: Master the process of setting up real-time message streaming with both Google AI (Gemini) and OpenAI (ChatGPT). Understand how to handle delayed responses and provide a smooth experience for users interacting with the chatbot.Improving User Experience with Chat: Enhance the chatbot interface by adding features like loading states, Markdown message support, auto-resizable text fields, and auto-scrolling behavior. Implement dark mode support to make your app more versatile and user-friendly.Summary: Review key takeaways from the course and learn how to leave a review for feedback. Understand how to obtain your certificate of completion and apply your newfound skills to build real-world React applications with integrated AI.This Course includesTheory and Practice: About 2 hours of lectures with many practical examples. Lessons range from 3 to 10 minutes and are easy to follow.Source Code Examples: Full access to source code for all projects and exercises, helping you follow along and practice on your own.Lifetime access to the course and any future updates.Udemy Certificate: which you will receive after completing the course.Support: If you have any questions, we will always be willing to answer them.Meet your instructor!Dmytro Vasyliev is a Senior Front-end Engineer with more than 9 years of professional experience in developing web applications. I have extensive experience with React and other frameworks, having used it in various projects to build dynamic and efficient user interfaces.Throughout the course, Dmytro walks you through building a real-time AI chatbot with React.js, integrating both OpenAI (ChatGPT) and Google AI (Gemini). He provides practical examples, step-by-step lessons, and additional resources that help simplify complex topics, allowing you to easily apply your skills to real-world projects.Do you need to be concerned?This course comes with a 30-day money-back guarantee.Join our course today to learn how to build your first application in React!

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Node.js Crash Course: Build a REST API in a Weekend

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