Backend 멀티쓰레드 이해하고 통찰력 키우기

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.

Learn about Race Condition, a representative concurrency problem. Practice by comparing single server environments and distributed environments that cause concurrency issues. Understand transaction boundaries and isolation levels. Learn the differences between optimistic locking, pessimistic locking, and distributed locking.

This course is a master class that systematically covers the fundamental principles and practical applications of MongoDB. Starting with core MongoDB concepts, you will systematically learn essential topics for practical work, such as database design, CRUD operations, indexing, aggregation pipelines, performance optimization, transactions, and security. It explains topics step-by-step so even beginners can understand, and you can deeply learn the working principles of MongoDB through exercises and examples. This is the best introductory and practical course for developers who want to build strong MongoDB skills for practical work.

Learn how to design and process large-scale data architecture that handles hundreds of billions of data records using only pure SQL and MySQL's core features, together with a Toss developer who handles hundreds of billions of financial traffic transactions and a developer who started as a non-major and is now developing platforms in Pangyo.

I've created the 'MySQL Performance Optimization Intro/Practical (SQL Tuning Edition)' course, easy for non-majors to understand and immediately applicable in practice!

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

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

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.

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

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

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

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

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

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.

A practical course on easily building a super simple bulletin board with Spring Boot and React.js! This course focuses less on theory and more on hands-on practice, covering the web application development process for quick completion.

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.

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.

From the core of Kafka to in-depth content on internal mechanisms, the course is structured so that even beginners can quickly reach the expert level through detailed theoretical explanations, hands-on practice, and practical Kafka application development practice.

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.