Understand and gain insight into backend multithreading

In this lecture, we will learn how to use ERC20 (Coin), ERC721 (NFT) and create a simple NFT Presale service. We will learn how to use Opensea and Metamask and share development know-how and theory.

Creating an application on Linux (Ubuntu OS). (Cross-platform application development)

We have gathered Apache Kafka application programming knowledge used in real environments! We will take a look at and practice various functions of Apache Kafka that are key to building data pipelines.

In this course, rather than covering the theory directly, you will learn how to use Redis effectively in your code through hands-on practice.

This course provides an in-depth study of multithreading and concurrency, from basic principles to practical applications.

No more toy projects! We're revealing all the secrets to building a secure authentication system with JWT and Redis, actually used by developers in the field.

This course covers the essential knowledge that every 0.5 to 3-year C# application developer should have.

Through in-depth theoretical explanations of Kafka Connect and detailed practical training that can be used immediately in the field, we will help you grow into an expert in building data linkage and data pipelines based on Kafka Connect that are needed in the field.

Learn SAGA transaction management techniques for maintaining data consistency in distributed environments through hands-on practice. Configure 3 microservices using Spring Boot and Docker, and implement both Orchestration and Choreography patterns with Kafka and MySQL. Through this course, you can master core concepts that are immediately applicable in practice, including distributed transaction operation principles, compensating transaction design, and failure recovery handling.

In this lesson, you will learn how to create an .EXE file. You will also learn how to install an MSSQL database and request data in C#.

This is a WPF lecture that will be helpful to developers who are considering introducing WPF in WinForms, application developers who are hoping to get a job in the US, and those who are hoping to get a job as a developer. It is not a lecture focused on theory and design, but covers content that can be used in practice.

Kotlin mastery via virtual payment server course.

This course is an intermediate-level program for developers who want to understand C# .NET one step deeper. It goes beyond simple syntax explanations and digs into the internal workings of the compiler and runtime. It will be particularly helpful for developers who want to gain a deeper understanding of the internals of the C# language.

This covers effective Redis usage, including precautions and applications, illustrated with examples from real-world practice or renowned historical cases.

I've created a 'Redis Introduction/Practical (Query Performance Optimization)' course that non-majors can easily understand and immediately apply in practice!

Learn C# for developing applications like ASP.NET, Winform, WPF, and MAUI that run on the .NET Platform.

This is a course where you study core computer science knowledge such as networking/multithreading/operating systems and learn MMORPG technology by building a game server from scratch.

This course is designed to help you learn the use of ksqlDB and its core mechanisms through various hands-on exercises. After completing the course, you will be able to easily and quickly build a real-time streaming data analysis system based on Kafka.

This is a full-stack restaurant map tutorial that allows you to learn everything from front-end, back-end, Kakao Map API usage, and deployment all at once while creating a restaurant map of your favorite YouTuber.

This is a class diagram lecture in UML. This is a design lecture.

This course proceeds in stages, similar to the actual work, by learning and applying the necessary knowledge while configuring the infrastructure.