Essential Computer Science Knowledge for Job Preparation

Version control is now essential knowledge for developers. Let's learn Git and Github step by step, starting with basic git commands and signing up for Github :)

Free lecture by the author of the best-selling book, “Network Study Alone.” A summary of a network textbook that developers must know.

Bestseller 『Study Computer Architecture + Operating Systems on Your Own』 author's free lecture. A collection of computer architecture and operating systems books that developers must know.

This is a lecture on the book [Everyone's Git & GitHub] published by Gilbut Publishing. It contains only the essentials of version control using Git and GitHub. You will learn how to use Git, which can be considered a developer's essential knowledge, without commands and how to use GitHub proficiently.

In this lecture, you will learn the basic terms and principles of query tuning for MySQL/MariaDB, and then improve your tuning skills by analyzing dozens of malicious queries.

[Web Dev Beginners Only] Build a Spring Boot REST API easily, step-by-step, fully understanding JPA.

This is a course to learn MariaDB, a commercially available database. Even if you are learning about databases for the first time, you can learn it easily.

From building a database to creating tables, you can manipulate and change data within the database using various SQL queries.

Learn the core HTTP features essential for practical use and how to design proper HTTP APIs.

Learning about various communication techniques and understanding their differences helps you develop the ability to select and implement the most appropriate communication method.

This course focuses on building the real skills needed in actual development work. The goal is not simply to learn how to write code well, but to experience how to work well as a developer. The examples are based on the commerce domain, covering cases frequently encountered in real-world work environments, and are provided in SpringBoot & Kotlin. However, it's a course where anyone can contemplate and experience real-world development through thought-provoking content, without being dependent on any specific language or framework. Based on the practical perspective of a senior developer and former director at Toss Payments who led a large-scale payment service organization, the course is designed to help you learn the thought processes and design decisions used in actual work environments.

[Newbies to Web Development Only] Let's Build a Spring Boot REST API Step-by-Step, the Easy Way

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

Through this course, students will learn the overall concepts of data structures.

This is a lecture for all non-major beginners who want to become computer science majors by memorizing broadly and shallowly. You can quickly learn what you can learn in essential computer science major subjects such as computer architecture and operating systems. Above all, you can finish it by memorizing it!

Let's learn various data structures and algorithms and develop the ability to implement them through programming!

✅ Out of the entire series (1) ~ (7), (4) data structure, algorithm, object-oriented, programming language ✅ CS101 series lectures - From basic computer theory to the latest practical examples - Provides a wide range of basic knowledge

From TCP/IP to HTTP! This lecture is for those who lack basic network theory and want to understand major theories by memorizing them. You can do it!

Secrets of people who are good at their jobs! How should I start with SQL? It covers everything from SQL installation and basic environment configuration to simple practical exercises that can be used in real life! You can also learn basic commands step by step through practical exercises.

Introduction to SQL Data Analysis! Quick and easy to understand with practical problem solving!

This course teaches MS-SQL through baseball/company databases.

SQL data analysis! We will teach you how to solve practical problems that are applicable in the field, quickly and easily!

Build your coding skills by implementing data structures in Java from the ground up.

Analysis of CS major interview questions [Operating system/data structure/algorithm/database/network]!