Understanding Cypress through the Resellbot Principle

Let's systematically design the backend using the domain-driven development (DDD) method and apply it to microservices!

Take advantage of TypeScript's features!

Have you ever wondered why we use these techniques while watching the Clone Coding lecture? Let me give you a big picture of backend development!

Master React rendering principles and optimization to apply them in real-world situations and prepare for interviews!

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

A must-take testing course if you want to become a competent frontend developer. Master testing from beginner to advanced all in one go 👊

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 will help you gain more confidence in the code you develop by learning the basics of testing.

This course clearly conveys the actual roles, value, and realistic employment strategies of the QA position for non-IT majors and job seekers. You will gain the confidence to jumpstart your IT career through QA.

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.

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.

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.

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 course, you will learn NodeJS, which allows you to develop backends using the Javascript language, and develop API servers using NodeJS using the test-driven development (TDD) method. You will also understand the basic principles of ExpressJS, a representative web framework for NodeJS, and learn how to develop REST APIs used in mobile and web services.

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

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)

Are you hesitant about writing test code? Experience the A to Z of Spring environment testing through this lecture!

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

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.

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.

Learn various design principles needed to write object-oriented code, focusing on working code.

Covers the basics of using Playwright, an end-to-end testing framework, and its core principles.