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.

How to Build an Efficient Startup Workflow System with Just Notion 🧑🏻‍💻 (Practical Workflow Templates Provided by Practitioners)

Say goodbye to complicated collaboration tools! 👋 From Markdown to databases, the essential skills of a workaholic can be done with Notion 🚀

Learn the fundamentals of the web, networks, and HTTP that every developer should know, in a code-based, real-world, data-driven way.

We believe that you need to know HTML and CSS well to become a solid front-end developer.✍ From the types of HTML and CSS to practical applications, this course will teach you how to use the language correctly. We prepared it with great care, so please enjoy it :)

Know! Well! Just! Neatly! Sensefully! This is a free lecture on the GitHub core concept book. You can download the book and Notion link for free. It is a non-profit project, so using the textbook is allowed without permission.

This course systematically teaches from JavaScript synchronous/asynchronous concepts, asynchronous processing methods incorporating the latest syntax such as Promise and async/await, and practical HTTP communication.

Essential for web development! Learn JavaScript, a popular language widely used in various fields, with fundamental concepts and practical examples!

Would you like to experience web server development? We will help both non-majors and front-end developers take their first step into server development. Let's efficiently explore servers and databases using familiar JavaScript syntax all at once, and understand servers!

Jeju Coding Base Camp's free lecture is back!! Let's create a 10,000-hour rule service together and distribute it to Github!! :) You don't know anything? That's okay. Everything is prepared in this lecture!

Generative AI for Designers🧙‍♂️ We reveal practical know-how to maximize design work efficiency with generative AI like Canva and Midjourney.

A basic textbook and practical guide covering principles and practical uses of various generative AIs like ChatGPT and Claude, and for their effective introduction and utilization.

Can you answer the question, "Why do we need classes? 🤔" This covers everything Python developers should know about Python classes!

New to both Blender 3D and 3D in general? A 3D KakaoTalk emoticon creator will directly teach you in this beginner-friendly 3D introductory course.

You can easily create your own blog with just GitHub Fork! This is a service that allows you to manage a learning blog (TIL) and GitHub lawn together.

If you want to create a web page, learn HTML/CSS. You can implement various contents and designs with HTML, which defines the structure of the web page, and CSS, which defines the style of the web page.

Django Base Camp is a course where you can systematically learn the core of the Django web framework from beginner to intermediate level. You can quickly develop the ability to build web applications through project-oriented, practical classes.

Python Basecamp is a course for beginners who want to learn the basic concepts of Python. Improve your skills through basic concepts and practical examples.

Python made easy! Learn Python like a game with various stories in 'Winib World'!

This is a tutorial lecture where you can learn simple usage of PyScript.

This lecture is expected to help students build a foundation in computer architecture.

If you study this lecture consistently, you will internalize the ‘argumentation’ and ‘problem solving principles’, and you will be able to logically come up with the best answer to any given question, thereby transforming yourself into a “student who passes”!!

“Why aren’t there any usable photos even though I take so many?” There is a secret to turning everyday life into a pictorial with just a smartphone. From shooting to editing, check out the detailed know-how of Korea’s first smartphone photography instructor, and leave each photo you take as a work of art!

Listening to the interview speech can help you pass the interview with flying colors.

This is a lecture on technical interview questions that will help you double your salary in just two years. I will share my experience from over 20 interviews.

This lecture explains the principles of computer architecture, which is the knowledge underlying programming, for non-majors. The goal of the lecture is to become familiar with the principles of program operation.

✅ This is an introductory lecture (0) that introduces the entire series of lectures (1) to (7). ✅ CS101 series lectures - From basic computer theory to the latest practical examples - Provides a wide range of basic knowledge

You can make music with just 20,000 won using your phone! I hope that those who know nothing about music will become familiar with making music through this lecture.

This lecture is the [starting point] for entering the Nekaraku Cup. It will tell you where and how much effort you should put in to pass the Nekaraku Cup.

Starting from a single switch, by directly building devices that process calculations, memory, and commands one by one, you will gain a deep understanding of how the computers we use every day are constructed. Recommended for those who desire an integrated experience connecting core concepts of computer science. This lecture is the Korean version of the world-renowned Nand2Tetris course, structured with the original author's permission and request. Keywords: Nand, HDL, ALU, PC, RAM, CPU

We will teach you how to become the No. 1 unrivaled expert leading the era of super-large AI by obtaining a regular degree from a prestigious elementary, middle, and high school in Korea and without having to spend a lot of money studying abroad.

This is not some pie-in-the-sky, fraudulent content that promises to make you hundreds of millions or billions of dollars. I will share with you the most realistic financial investment methods that are actually helpful for each level (years of service) in your work life!

You can learn photography properly in an easy and fun way with a practical photography lecture that you can't find anywhere else in Korea. It's a lecture that has been taken by more than 30,000 people overseas and has a review score of 4.5 or higher, and has a funding satisfaction score of 9.5 or higher on WadiZ in Korea!

We provide basic theories for choosing a career in VR/AR/MR.

Using a smartphone is not something that comes naturally. Let's learn together how to operate a smartphone, which is actually not that difficult~?

The rules of every game are changing — a new dimension of business opened by quantum computing. Moving beyond simple technological advancement, quantum computing has already emerged as a key variable determining the future business landscape, poised to shift paradigms across all industries. This analysis provides insightful perspectives on the massive wave of technological change, covering everything from the basic principles of quantum computers to innovation cases in finance, pharmaceuticals, security, and the strategic moves of global Big Tech. It offers the most definitive roadmap for professionals who wish to gain quantum literacy without complex physics knowledge and transform into future-ready talent.

Repetitive pipeline management in Data Warehouses (DW), now free yourself from that painful cycle with dbt! Building on the efficiency provided by dbt, become a data analytics engineer who creates higher value through business-centric data modeling, effective data lifecycle management, and more.

A published author who has published more than 7 books will provide 1:1 mentoring to help you solidify your writing skills.

We introduce tech trends of the 4th industrial revolution era that we need to know, such as artificial intelligence, the Internet of Things, fintech, virtual reality, self-driving cars, blockchain, and 5G based on big data, and explain how they are being implemented in our daily lives.

This is a general computer theory course centered around the same content included in all certification books.