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

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

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 is a Chrome Developer Tools tutorial for front-end developers. It covers various features and tips that are useful when developing.

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

Learn the basic concepts of Three.js and apply them to carry out a mini project called 'Building My Own Island'. You can learn Three.js easily and lightly while carrying out the project.

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.

Let's make a game similar to the once popular vampire survival game using Phaser 3! The actual vampire survival game was also made with phaser. Once you make it, you can make the game you want! :)

An amazing lecture that will make you understand regular expressions just by listening! Don't give up! Don't put it off! Come on, let's do it now!

I hope that through this course you will gain a clearer understanding of grammar and gain confidence in solving problems.

Let's test your development type! Not MBTI, but MBIT! My Best IT personalities! You can look at the overall content about development and find out the development aptitude that best suits you.

You can review the basic concepts you need to know to prepare for the upcoming coding test and solve algorithm problems using Python and Javascript.

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.

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.

Anyone can learn data analysis with Chat GPT. You can learn how to apply it in practice through various analysis exercises. (Absolutely!! ChatGPT paid version is required!)

Let's dive into the world of Python GUI programming using PyQt! This is a course that teaches you how to create calculator-like programs using Python! We'll have fun solving problems such as translators using the Googletrans library, calculators, and image recognition programs that combine AI technology. :)

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!🎉

This lecture is for those who have no knowledge of artificial intelligence, machine learning, deep learning, or data analysis but would like to experience it. I will explain the entire process.

Learn how to use Notion, from the basics to creating templates, in just one course!

This is a basic course on Python Excel programming that you can learn with the xlsxwriter tutorial. You can analyze data and automate tasks using Python and Excel.

Solidify your foundation in Python/Django web service development. Learning Django takes time, but you can maximize your productivity through iterative development. Turn your imagination into reality.

In this 24-hour tutorial, you will learn how to build your own YouTube clone. We will cover advanced topics such as Next 15 and React 19 (including tRPC), prefetching in Server Components, utilizing Suspense in Client Components, video processing, background jobs, and AI features.

This course is a full-stack level frontend project course that focuses on implementing Notion from start to finish using Vanilla JavaScript, going beyond simple UI cloning to deeply understand the internal operating principles. You'll implement all the core features of a real note-taking app using vanilla JS, including sidebar tree, nested document creation, auto-save, routing, trash, favorites, search modal, settings modal, theme switching, Export/Import, keyboard shortcuts, responsive layout, drag resize, and more. The goal is to solidly learn browser standard behaviors (event bubbling, DOM tree, local storage, Blob, FileReader, hash routing, etc.) that you must know before frameworks like React and Vue, so you can completely understand "why it works this way" and build the skills to debug effectively.

Test code! For those who are at a loss as to where to start, here it is. From writing tests to deploying through automation, all in one place!

How to Use Storybooks A to Z. We show you everything about storybooks.

Web developers (especially React developers) can now truly easily launch apps. With Expo, you can launch both Android and iOS apps even faster. Let's become a developer who can quickly launch apps with Expo.

This course will help you develop mobile apps that can be serviced on Android and iOS using web development.

In the era of swift execution and validation, execute faster than anyone with VIBE Coding! Achieve complete monetization, from ads to payments, all by yourself.

Throw away those simple services you can make with vibe coding in just 10 minutes! You can learn 'real' practical vibe coding. Let's create advanced services at the level of actual services according to planning and design with Cursor AI NCOP. No Code, Only Prompt

A portfolio-focused course on directly deploying React frontend and SpringBoot backend to AWS cloud! This course is helpful for those who want to quickly deploy frontend and backend projects to their portfolio! You'll be able to practice step-by-step in a short period the knowledge needed for deployment, from server setup to Docker, Domain connection, Nginx, and HTTPS implementation!

Let's replace the server that continues from Android Brainwashing Classroom with Firebase.

The new 2021 course, "Who builds paid web services these days? Everything about Firebase - JavaScript"! It will be a bible for beginner developers who dream of starting their own business.

A full course of hands-on Next.js! Complete a real-world project with the latest technologies such as GraphQL, Redis, RabbitMQ, Prisma, TailwindCSS, Docker Compose, Cypress, Prometheus, and Grafana, and experience both the App Router and Page Router.

This course is about cloning Netflix UI with Flutter and Firebase! Start with Flutter, the fastest way to learn app development :)

Building React User Registration, Login + Board with Vibe Coding (React + FastAPI) is a hands-on course where you directly complete a full-stack web application using AI prompts. OpenAI Codex and Claude Code In this course, you'll connect a React (TypeScript) frontend with a FastAPI backend to implement: User registration & login functionality Board CRUD (create, read, update, delete) JWT authentication and authorization handling all within a single project. Particularly, rather than just stopping at writing code, 👉 AI prompt code generation → execution and modification → testing → expansion Through this "Vibe Coding" learning approach, you can experience a new development flow of working together with AI. After completing the course, you'll be able to directly finish your own "member-only board service," and additionally challenge yourself with extended features like comments, likes, and image uploads.

In this lecture, we will implement various server systems such as chat, party, trade, guild, ranking, and auction house step-by-step using Photon and Firestore.

This is a practical course where you will directly create a timer app using React, Electron, and Zustand, and even deploy it to cross-platforms (Windows, macOS, Linux). Starting with familiar React web development, you can learn the entire flow of desktop app development, including global state management via Zustand and final GUI deployment!

This course is about TypeScript and React.