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.

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

Run effective advertising with Google AdWords

This is a free Unity basics course by Unity Hub root owner Dong-geun Joo.

"This is a course for learning the overall usage of Notion, an all-in-one productivity tool that enables efficient management of work and life in a Mac environment. You can learn step-by-step from Notion's basic functions to databases, automation, AI utilization, and practical template creation, acquiring work and self-management methods optimized for Mac users. Through a hands-on curriculum, you can increase productivity in both daily life and work."

This is an official Unity tutorial video translated by Jemin_Dev.

This is an assembler course provided by Smoothie TV.

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 course to learn and utilize the OBS Studio program.

This is an Arduino lecture by Park Sung-jun on YouTube.

You can build a database, create tables, and manipulate or change data within the database using various SQL queries.

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, learners can acquire the ability to obtain a computer proficiency certificate. This course is designed to meet the examination criteria for obtaining a computer proficiency certificate. You can learn and utilize basic knowledge of the computer proficiency subject to prepare for obtaining the certificate.

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

This is a course where you can study data structures and algorithms along with the object-oriented language C++.

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.

I help ordinary people who know nothing to create a homepage by just following my instructions!

Let's create a shopping mall with WordPress

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

You can start creating games without difficult programming with Unreal Engine 4's Blueprint.

An e-book on formula management that can be updated continuously! It is essential if you want to create your own indicators.

For those who want to host a home party! Instead of soju, learn how to make cocktails and enjoy a subtle buzz^^

This book presents interpretations of <The King and the Clown>, <Oldboy>, and <Parasite>—all considered masterpieces in Korean cinematic history—based on the author's unique and professional perspective. It explores their meanings in depth by crossing over with various genres related to each film, such as theater and comics. Furthermore, it offers reinterpretations from a psychologist's point of view across various aspects through lecture-style presentations.

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

It includes methods for organizing various living spaces, decluttering unnecessary items, and efficient storage solutions. The lectures combine theory and practice, maximizing learning effectiveness through real-life examples.

Excel 2021 Practical Super-fast Master Class covers 6 key tips and features to help practitioners maximize their work efficiency and get off work early. Quickly acquire all the essential skills of Excel, from data processing, editing, formatting, calculation, analysis, and visual effects through this course.

This lecture is designed to make personal information protection education interesting and ‘social engineering-based.’ Rather than covering the revisions to the Personal Information Protection Act, it focuses on real-life information protection threat cases and responses.

Mental coaching that e-sports players need too! Mental coaching secrets from a current e-sports mental coach🔍

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!

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

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).

A lecture for those of you who don't know Movavi and can't even start YouTube! If you use Movavi, you can upload videos to YouTube starting tomorrow.

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.

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

A connection that starts with a single word opens the door to global communication. This course focuses on English vocabulary and expressions while covering cultural backgrounds, global phenomena, and business etiquette to enhance communication skills. It is suitable for business professionals who want to develop global awareness and cross-cultural adaptability.

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.

Everything about professional etiquette that companies don't teach you! From tone of voice and emails to dress code — we'll show you how to act like a pro from your very first day without feeling flustered. Featuring a practical curriculum based on CEO Oh Hana's experience of 1,200 corporate lectures at Confidence Recharge Station, this is an essential course for new employees, job seekers, and current professionals alike.

This is a basic financial management course that covers realistic asset management and investment methodologies for working professionals. It covers how to build a portfolio tailored to your own investment style through various financial products including ETFs, and how to build assets safely and steadily.

Go, which once felt so difficult Start step-by-step from the basics

By taking this class, you will be able to give presentations without memorizing or feeling nervous. You will no longer fear public speaking; instead, you will achieve your goals by engaging in a dialogue with your audience.