Become an Amazon Global Seller

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.

We will explain the overall concept and method of working with 3D graphics using Blender.

This course is a practical-focused program that covers the comprehensive utilization of **Google Sheets, the most widely used spreadsheet program in the world**. Starting with basic functions such as fundamental input, formatting, and cell management that even first-time users can easily follow, the course progressively advances to professional features including advanced function utilization, data analysis and visualization, conditional formatting, and pivot tables through step-by-step learning. Additionally, by focusing intensively on Google Sheets' unique strengths of real-time collaboration tools and cloud-based sharing features, learners can experience an efficient work environment where multiple people can simultaneously create, edit, and review documents. Through this course, learners can go beyond simple spreadsheet usage to simultaneously strengthen their data-driven decision-making abilities and collaboration capabilities, significantly improving work productivity.

This is an introductory course that teaches the most basic video editing, focusing on the basic editing functions of Davinci Resolve. (Part 2/3)

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

Through this course, you can study short answer and descriptive questions from past practical exams for the Information Security Engineer.

This is a basic C++ course for those who are new to C++ programming. You will learn and practice how to utilize C++ along with an overview of programming and the basic grammar of C++.

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

Learn how to use office programs (Excel) required by business practitioners and acquire work processing skills suitable for the work environment.

When you want to try using Figma, a UI design authoring tool, or when you want to create something with Figma, you'll practice the most basic usage methods.

This tutorial will show you how to use Bootstrap to create responsive web pages that change layout depending on the device.

This is an Adobe Lightroom course for photography and digital image processing.

This course will teach you how to create an EPUB format e-book using Sigil and learn various techniques required for creating e-books.

We will learn the basics of animation and motion production features of Cinema 4D R23 software.

The Information Processing Industrial Engineer written exam course is a learning program designed to help test-takers prepare for the exam more systematically. This course focuses on developing logical thinking skills and problem-solving abilities so that even learners who are new to the accounting and IT fields can easily follow along. Through a systematic curriculum, we have organized the core theories frequently tested in exams and structured the content to enable deep understanding of related concepts. Additionally, through learning that reflects actual exam formats, we help test-takers efficiently prepare for the exam. Through this course, learners can build their skills step by step toward obtaining the Information Processing Industrial Engineer certification and acquire foundational knowledge that can be utilized in practical work settings.

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 lecture to prepare for the Information Processing Engineer practical subject certification, and you can acquire basic knowledge to understand the development requirements of information systems, etc. (Second Part)

This is a series of video lectures for AWS beginners and college students enrolled in AWS Educate. We will briefly introduce the AWS registration process and free tier services.

Do you want to succeed in the restaurant business in China? I'm revealing all the practical know-how of 'emotional management' that I've learned from directly operating restaurants in China for 15 years. In this course, you'll learn not just simple sales techniques, but management philosophy that captures customers' hearts and practical operational strategies for building regular customers without advertising costs. Atmosphere that's more important than the menu, staff management, regular customer systems, and localization points you must know in the Chinese market — With this one course, you can master the core of restaurant business success in China (overseas). ⸻ ✅ Recommended for: • Those preparing to start a restaurant business in China or overseas • Those who want to learn management methods that captivate customers through emotion • Those who want to know efficient store operation methods without kitchen staff, advertising costs, and labor costs

This is a lecture that teaches you how to use Coupang Partners. In Part 2, you will learn about Coupang Partners, which you can start without being a business owner, and how to find the latest product trends and use the image/video creation tool "Tile" when posting.

The power of AI, completed with PPT. This course goes beyond simple presentation creation, It's an all-in-one course that uses AI to finish everything from planning to design and content creation at once. Complex design? Now AI suggests everything from the initial draft Product detail pages, video production, carousels, GIF banners, e-books, etc. all created with just PPT AI prompt-based content generation followed by content creation with PPT, etc. Complete disclosure of AI+PPT's unique workflow! Even if you're not a designer, even if you don't know the tools well A practical course where anyone can create professional-level results. 💡 "You provide the ideas, AI and PPT handle the rest!" Right now, your content creation method will completely change.

Let's build an ad revenue website with React. Learn how to optimize ads, reduce server costs, and tips for operating the site at scale.

It contains all the 7-year journey and know-how that led to earning 2 to 7 times my monthly salary through 350 apps. Now, it's your turn to be the protagonist.

We will teach you everything from A to Z about setting up a Naver Cafe. If you have opened a Naver Cafe but don't know where to start, try this lecture to find out. #Finish setting up a Naver Cafe #Design your own cool building

This course teaches you the know-how of the entire process, starting from a single idea, through planning, design, development, and up to app release on each platform. Start developing your own monetization app right now.

We will share the practical know-how of how an ordinary office worker dad, a non-major, achieved cumulative earnings of 10 million KRW with AI images, creating a salary-level side income by investing 20 minutes a day. With a curriculum customized for office workers and homemakers, anyone can easily follow along.