TED – Self-improvement

This course teaches you how to write safe and reliable code in the software development process. Rather than simply stopping at feature implementation, you'll learn programming principles and techniques that can prevent security vulnerabilities and ensure stability. Through hands-on practice and case studies, you can understand security threats that may occur in real development environments and acquire safe coding techniques such as coding rules, input validation, exception handling, and memory management to prevent them. By taking this course, developers will enhance the completeness of their code while gaining practical capabilities to develop software with security and reliability.

This course is designed to teach the entire process of 'AI Training Data Construction,' which is essential for successfully executing AI modeling projects. Learners will not simply remain at the theoretical knowledge level, but will experience step-by-step the data construction processes required in actual practice. Specifically, the course covers the entire process from AI training data planning → acquisition → storage → preprocessing → labeling → pseudonymization and transformation through hands-on practice, structured to develop practical skills that can be immediately applied in the field. Additionally, learners will systematically study the most important data management capabilities in AI projects, such as data quality management and security issues, personal information de-identification processing, and dataset optimization. Through this, learners can grow from simple data collectors into data specialists who can proactively plan and execute AI projects. 👉 Through this course, learners will understand how to construct high-quality training data that determines AI model performance and acquire practical capabilities to effectively apply this in real work environments.

This is a hands-on course where you'll build an AI-based autonomous driving car using Raspberry Pi and various sensors.

This course is designed to prepare you for the Information Security Engineer written exam by concisely summarizing core theories and strengthening practical skills through problem-solving. Take a step closer to obtaining your Information Security Engineer certification with past exam analysis and practical preparation strategies.

This course is a basic introductory program for learning how to utilize the Raspberry Pi Pico and various sensors. Learners will understand the fundamental functions of the Raspberry Pi Pico and acquire the ability to control various sensors using it. Based on a foundational understanding of the Raspberry Pi Pico, this course is structured to step-by-step improve your skills in utilizing sensors.

Learn the fundamentals of Onshape and learn the basics of 3D modeling and CAD.

This course is designed to learn the JavaScript programming language along with the latest ES6 grammar.

This course is a hands-on lecture that covers the basic usage of the Cursor AI tool and how to apply it to actual website creation. Learners will understand the AI-based development environment and experience code writing and automation features using Cursor. The curriculum is designed not just to teach the tool's functions, but to help students develop practical skills through an actual website production project. Furthermore, it covers essential elements frequently used in website development—such as HTML, CSS, and JavaScript—along with efficient development methods using AI assistance, making it easy for beginners to follow along. By taking this course, learners will gain the ability to quickly implement ideas and complete websites using Cursor AI, which will serve as an excellent first step in adapting to the latest development environments.

The Computerized Accounting Level 1 certification is a nationally recognized qualification that evaluates the ability to practically utilize accounting information. This course is supervised by the Korean Tax Accountants Association and is designed to achieve exam success using the KcLep program. The Computerized Accounting Level 1 exam is an intermediate-level qualification test that covers overall tax and accounting processing based on manufacturing companies, including practical problems across all areas of financial accounting, value-added tax, and cost accounting. In this course, you will systematically learn how to handle core accounting tasks such as financial statement preparation, VAT reporting, and cost calculation under conditions similar to actual work environments through the KcLep program. Through this, you can simultaneously improve both practical accounting skills and the competency to obtain computerized accounting certification.

This is a lecture where you can learn JavaScript through theory and practice. We explain step by step so that even those who are new to coding can easily understand. Part 1 covers an overview of JavaScript, variables, data types, operators, control statements, and the basics of jQuery.

This is a basic machine learning course that briefly covers the basic machine learning theory for those who are new to machine learning.

In this tutorial, you will learn how to create motion effects using the Fractal, Glow, Advanced Lightning, and Expression effects in After Effects.

1. Learn the main functions of Excel so you can create documents easily and quickly. 2. Learn tips commonly used in practice.

Notion's powerful and convenient database features allow even beginners to easily build a DB. In this course, you will learn about database concepts and related terms (tables, rows, columns, etc.), as well as the basic usage of the Notion database.

You can obtain the certification by learning and applying basic knowledge of Subject 5, Information System Construction Management, among the subjects of the Engineer Information Processing written exam.

You can obtain the certification by learning and applying basic knowledge of Subject 3, Database Construction, among the Information Processing Engineer written exam subjects.

You can obtain the certification by learning and applying basic knowledge of Subject 4, Programming Language Utilization, among the written subjects of the Engineer Information Processing exam.

This is how to use Photoshop, taught in [Photoshop Revolution Broadcast].

This course focuses on developing practical visualization skills that can be immediately applied in the workplace by utilizing Seaborn, a core tool for data visualization, and plotly/Dash for building interactive dashboards. Through various hands-on exercises, you can enhance both your ability to create insight-driven visual materials and implement web-based dashboards.

Learn the core techniques of 'Prompt Engineering' to get exactly the answers you want from AI. From a complete beginner's first steps to expert practical applications, maximize your AI utilization skills!

Understand the history of art and the changes in the contemporary art market, the roles of art fairs, auctions, galleries, and art dealers, and the impact of cryptocurrencies and NFTs on the art market. Predict the future of the art market, examine the development of art tech, and develop innovative strategies based on the convergence of art and technology.

This course provides a concrete and practical understanding of the platform. And you will be equipped with the basic skills to adapt to a platform company.

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.

Quickly pass the Comhwal Level 1 written exam with Wang Dumo Saem, who has 20 years of experience. Only study the Dumo keywords that frequently appear on the exam! Wang Dumo Comhwal

This is a course that explains 615 MOOCs from 131 prestigious universities in 28 countries around the world, compiled by Professor Kim Hyung-ryul through his own experience and Wakelet. Students who dream of studying abroad at prestigious universities around the world can experience the classes at those universities in advance.

Do you know ZEP? ZEP is a communication-based metaverse platform. It can be seen as a Korean version of Gather.town. With ZEP, a metaverse platform that inherits the strengths of Gather.town and complements its shortcomings, you can experience a powerful communication-based metaverse for free.

"Achieving 'Better Performance' and 'Growth in Relationships' through Kim Chang-ok's Know-how" Just because someone speaks Korean doesn't mean they are good at communicating. Whether it's sports, cooking, or any other field, learning from a great coach allows you to grow faster, deeper, and more professionally. This class is not just a simple speech lesson. Together with the top communication coach, Kim Chang-ok, it will be an experience that completely transforms the way you speak and build relationships.

You can use your paycheck effectively to build wealth and lay the foundation for proactive financial management for your future.

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

We will provide you with the knowledge necessary for the planning that the people above want. It is not a theory book, but rather comes from practical experience, and it is an opportunity to upgrade your planning skills as told by a current CTO.

**"AI Philosophy - Ethics and Challenges in the Age of Artificial Intelligence"** is a topic that deals with the ethical and philosophical exploration of the development of artificial intelligence (AI) and its impact on human society and culture. This topic goes beyond simple technological development and delves into how AI affects human life and what ethical decisions we should make accordingly.

We introduce the main features and usage methods of Hangul 2022. We will explain through various examples from the basics to advanced document writing.

[Creating Your Own Book in One Month] is a compact course that allows you to learn the entire process of independent publishing, from planning to production, printing, and marketing in a short period of time. The curriculum is designed so that you can create an actual book while following the course.

Digital literacy: the competitive edge for surviving in the rapidly changing digital era! Based on an understanding of the technical structures of the digital environment, make the information that fills your daily life your own.

After completing this course, you will be able to create your own online class with your own know-how.

Case-based information on asset management strategies through real estate tax saving, including tax knowledge for real estate investment activities and detailed real estate tax information (timing, calculation, payment methods).

For those who frequently forget how far they've thought and organized, here is how to create and utilize mind maps through Freeplane!

With the recent development of IT, the need for IT knowledge is being emphasized for general business people who are not IT majors, along with the term DT (Digital Transformation). This lecture is for those who are not related to IT development, but want to learn IT knowledge and create ideas that can be used and applied in their own work field.

Recommended for dan-level players ranging from 1-dan to 7-dan! Yeongeumpaduk provides an in-depth analysis of the masterful games by Lee Changho 9-dan, who was called the God of Go!! We've carefully covered even the aspects that amateur strong players miss.~ Invest just 20 minutes a day to boost your stagnant Go skills again~

Through this course, students can improve their Go reading skills and apply them when playing actual Go games.