C# TCP/IP Socket Programming

No more WPF courses where you just copy code without knowing why! A WPF philosophy and bible course that covers everything from design intent to core concepts.

This course is an intermediate-level program for developers who want to understand C# .NET one step deeper. It goes beyond simple syntax explanations and digs into the internal workings of the compiler and runtime. It will be particularly helpful for developers who want to gain a deeper understanding of the internals of the C# language.

This lecture comprehensively organizes the content that would be good for those who want to get a job as a new Spring Java backend developer, especially those who are about to have an interview.

This course covers the core aspects of TCP/IP network programming essential for online game development with a practical focus. You'll learn step by step from the basic principles of sockets to client-server architecture design, and implementation of game frameworks using custom-built network libraries. Topics covered: Basic network concepts and TCP/IP operation principles TCP programming using Socket API Packet protocol design and transmission structure implementation Client/server-based game framework development Optimization and practical tips needed for actual online game development Important notes: The course is conducted on Windows using Visual Studio. While it uses standard BSD socket API, there are slight differences from Unix-based operating systems. IOCP and Overlapped I/O are not covered.

This is a basic course on web development using Blazor WebAssembly. Learn how to easily do DB CRUD using EntityFrameworkCore. We will teach you the "basics" of Razor Page UI Design. We will also provide the source code used in the course :)

Creating a simple Gomoku game using Unity and a C# server.

★.NET 8.0★ This is a basic course on web development using Blazor Server. Learn how to easily do DB CRUD using EntityFrameworkCore. We will teach you the "basics" of Razor Page UI Design. We will also provide the source code used in the course :)

This course is for those who want to develop packet analysis programs like Wireshark and various network solutions using the Npcap library.

This course focuses on the essential content required to configure an ASP.NET CORE (.NET 5) project. It is also recommended for those who want to handle relational databases through SQL Server.

After covering the C# language, this is a lecture on networks that can connect computers or various devices using C#.

This is a course where you study core computer science knowledge such as networking/multithreading/operating systems and learn MMORPG technology by building a game server from scratch.

In this course, you will build a system that directly parses DWG drawings in Unity and automatically converts them into actual 3D walls based on lines and polylines. After completing the DWG → 3D map automatic generation pipeline, you will also implement map editor functionality that allows you to freely place various objects on the generated space and save/load them in JSON/DB format. Finally, by integrating essential features used in real-world digital twins such as heatmaps, status displays, and real-time data reflection, you will complete a digital twin project from start to finish that can be immediately applied in industrial settings.

This is a WPF lecture that will be helpful to developers who are considering introducing WPF in WinForms, application developers who are hoping to get a job in the US, and those who are hoping to get a job as a developer. It is not a lecture focused on theory and design, but covers content that can be used in practice.

For those aiming to pass the "Network Specialist Examination": This course is a learning program that condenses only the key points of the IPA Network Specialist Examination. It focuses on themes directly connected to passing the exam and is designed to help you acquire knowledge efficiently. Rather than emphasizing volume, we carefully select and explain "the essential parts you must master to pass"! Let's work hard together toward passing the Network Specialist exam!

This lecture is written from the perspective of a non-major, so it may be lacking. However, as a non-major, I may know better what is difficult to understand.

This course covers the essential knowledge that every 0.5 to 3-year C# application developer should have.

Understand multithreaded programming and see how this knowledge can help you analyze other projects.

Learn C# for developing applications like ASP.NET, Winform, WPF, and MAUI that run on the .NET Platform.

Free lecture by the author of the best-selling book, “Network Study Alone.” A summary of a network textbook that developers must know.

Let's learn the C# language. You can learn it even if you don't know the C language. The development tools are also installed from the beginning.

Starting with java.io, you can learn how to develop high-performance input/output systems based on NIO and NIO.2. Most importantly, the moment you master file I/O, we'll enable you to master high-performance server development as a bonus!