NodeJS API Server Built with Test-Driven Development (TDD)

From HTTP basics to data requests, real-time communication, security, and performance optimization, learn the network knowledge web developers must know.

Now React truly starts to 'make sense'. Advanced concepts and Hooks, learn easily and accurately.

I can understand pre-existing development environments. I can create a development environment from scratch.

Master React now. Easiest course to grasp React's features & roles, comparing to pure JS!

You can learn intermediate Vuejs techniques (Vuex, Vue-Router, Http) through the process of implementing other web applications with your own hands. This is a lecture where you can also experience how to collaborate, as publishing results, API servers, and documentation are pre-configured.

Even if you create the same function, the code of a junior developer who has just learned JavaScript syntax and that of an experienced senior developer will be quite different. Of course, even if the results are the same. The reason the latter's code is recognized is because of its well-designed structure and scalability to respond to changes. This lecture will learn about how to create such good code.

We will learn VueJS development by creating a shopping mall search page using pure JavaScript and a UI library called VueJS. You can learn the differences between each development and the differences between MVC and MVVM design patterns by developing with pure JavaScript and VueJS respectively.

By developing a simple ReactNative app using the TDD methodology, you will learn the concepts of TDD and practice applying them to ReactNative mobile app development.

Learn how to build web applications with TDD using Spring Boot. You will learn how to maintain developer productivity and build reliable web applications with TDD.

We provide CodeTree past questions, as well as algorithms and tips for solving them. We use C++, but since we don't use libraries, those who use other languages can also take the course. (Python code provided)

Software quality is a habit! This course will teach you how to become the best programmer that companies want.

This lecture explains unit testing, UI testing, and integration testing methods in Flutter based on the official documentation.

You will understand the present and future of AI technology, experience the testing process of AI models such as machine learning, and learn the role of a tester. You will comprehensively learn everything from establishing AI-based system test strategies to designing and executing test cases, and even methods for utilizing AI to support testing. This course is conducted based on ISTQB's AI Testing syllabus and provides an opportunity to perfectly prepare for the ISTQB AI Testing certification exam.

Master the complexities of React development, including custom hooks, TDD, the context API, refactoring, and complex state management.

Learn how to use Cypress to auto-login and auto-purchase features

Since the front-end is where the user comes into contact, it is very important to test from the user's perspective, not the developer's perspective. Through E2E testing, verify that the user scenarios work normally and experience the transition from fear to confidence in your code!

This course is for anyone who is curious about developing test automation on Android and iOS devices. This course will enable you to perform automated testing on mobile devices.

In this lecture, we will show you when testing is necessary and the advantages of testing using the Jest framework. We will apply unit testing and integration testing to React, Express, etc.

This course covers the overall content of web servers required for game development using the latest ASP.NET Core (Blazor, WebAPI).

Learn the process of converting an existing legacy monolithic system to a microservice architecture through hands-on training. You will also receive code reviews from knowledge sharers up to two times!

Practice REST API and GraphQL while creating a simple SNS service based on React. We introduce how to easily and simply create a backend environment for frontend development.

If you are a student or developer who is using or studying the Java programming language, you will learn various methods of testing your applications that you must know.

Ladies A to Z for a solid start to Ladies! Everything about Ladies that is easy and fun to understand, even for high school students.

Building React User Registration, Login + Board with Vibe Coding (React + FastAPI) is a hands-on course where you directly complete a full-stack web application using AI prompts. OpenAI Codex and Claude Code In this course, you'll connect a React (TypeScript) frontend with a FastAPI backend to implement: User registration & login functionality Board CRUD (create, read, update, delete) JWT authentication and authorization handling all within a single project. Particularly, rather than just stopping at writing code, 👉 AI prompt code generation → execution and modification → testing → expansion Through this "Vibe Coding" learning approach, you can experience a new development flow of working together with AI. After completing the course, you'll be able to directly finish your own "member-only board service," and additionally challenge yourself with extended features like comments, likes, and image uploads.

Did you give up while studying Spring? Even complete beginners new to coding and non-majors can make it from JSP to Spring Boot without giving up - we'll open the path to Spring Boot for you.