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.

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.

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 :)

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!

King Basic🐥, only for those who say they have no more words to describe me.👂 Concepts go to the universe🚀, King Basic practice day and night✍, learn SQL with your hands!✋ No installation required.🔥 Here is the lecture restaurant, Jecobe!🎉

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 course where you can understand the basic flow of HTML, CSS, and JS by creating your own MBTI-based psychological test site.

Do you have a foundation in HTML, CSS, and JavaScript (jQuery)? But are you unsure how to create an entire website? If so, try implementing a shopping mall's main page by referencing a design. We'll share know-how on implementing a website by referencing a completed design and understanding the planning intentions and detailed aspects of the design.

Select HTML elements using JavaScript and change element styles or implement animation effects based on various events. Implement style changes, event settings, and effects frequently used in webpage development based on the basic syntax of JavaScript.

Using the ChatGPT API, develop a full-stack multilingual translator web application in just 30 minutes, and even if you know nothing about AI, try incorporating the latest AI (ChatGPT API) into your product!

Learn Python web development A to Z while making it! Learn everything from web basics to blog development and deployment all at once.

The JS Core Theory and Practical Example Textbook and Completed Version for Web Publishers is a lecture textbook produced in PDF format. This textbook helps web publishers to fully acquire the basics of JavaScript and jQuery that they must know. A feature of this textbook is that it allows you to strengthen your theory through small missions connected to the theory. In particular, this textbook is also fully prepared with practical examples that utilize all the theories learned. The entire PDF page contains more than 320 pages of pure JavaScript (Vanilla JavaScript) and jQuery, with sufficient explanations added so that Coding Works can be easily understood. In particular, publishers can learn practical examples of jQuery interactions that are essential for creating websites.

This is a revised version of a lecture on how to use Bootstrap to create responsive web pages that change layout depending on the device.

Data can be processed and presented in tabular form, but the most important thing is to present the data in a way that humans can understand at a glance.

We will cover the concept of machine learning in a JavaScript environment. We will cover the form and code of implementing machine learning with JavaScript and TensorFlow.js.

Learning by Doing: 정보처리산업기사 I have prepared everything for passing the 정보처리산업기사 course-evaluation practical exam.

Coding No. 1 YouTuber Jo Coding's practical compression! Easy and fun web full-stack development lecture

This is a specialized practical exam course optimized for the Web Design Development Craftsman (formerly Web Design Craftsman) practical exam content, precisely aligned with the examination standards implemented from 2025.1.1 to 2027.12.31. The Codingworks Web Design Development Craftsman practical exam course, covering HTML+CSS+JQUERY publishing, is different. All instructional videos for perfectly creating all 2026 Web Design Development Craftsman exam types (A, B, C, D, E, F types) are included.

You will design web and app layouts for various devices using Photoshop and Adobe XD programs, and then learn simple coding techniques to implement them yourself.

A three-in-one class where you can create web games and learn front-end web development skills! This class has been created to teach you how to create games using JavaScript, CSS, and HTML with your own ideas!

📌 This course is a curriculum that starts with a strategic AI tic-tac-toe project and completes core object-oriented programming concepts through practical examples. You'll train logic design and AI strategic thinking through game implementation, then directly experience OOP design techniques like inheritance, composition, delegation, and encapsulation through code. This is recommended for those who want to grow beyond syntax into a 'developer who designs' through real projects.

A current startup CTO will share vibe coding knowledge gained through actual services and various outsourcing projects.

We create a project site to create and distribute a psychological test site using only HTML/JS/CSS.

If you want to build a solid web foundation, come here!

💡 Even non-developers can go from startup MVP to monetized service in just 10 hours with AI! 💰 Development that used to cost tens of millions in outsourcing fees now completely solved for 120,000 won 🎯 Complete 5 real business projects including business card recognition, sentiment analysis, and location analysis 🔥 If you're a planner, marketer, or aspiring entrepreneur, implement ideas without developers ⚡ Start now and acquire lifelong development independence skills!