In our industrial town, there is a 25-year-old young man named Lin Yu, a skilled electrician. His daily work involves moving through various corners of the factory, inspecting and repairing electrical equipment, ensuring the smooth operation of the factory. This young man is usually cheerful, loves to talk and laugh, and everyone affectionately calls him … Read more
In the previous article about the project proposal for Project Code C, a reader asked: How is the project’s revenue estimated? What is the LTV? Why is the estimated revenue one hundred million? For revenue estimation methods during the project initiation phase, please refer to “Revenue Forecasting During Game Project Initiation (Part 1)” and “Revenue … Read more
Recently, various advanced military aircraft from the Chinese Air Force traveled to Egypt to participate in the “Civilization Eagle-2025” joint military exercise, attracting significant attention from the outside world. The lineup for this deployment is far more complex than it appears on the surface. ✅ Systematic Deployment, Not Just Showcasing Equipment The Chinese military aircraft … Read more
Spring has arrived, and a certain flower has quietly bloomed: the honeysuckle flower. Don’t be fooled by its ordinary appearance; it’s impressive! Its vitamin C content is ten times that of apples, making it particularly nutritious. The honeysuckle flower is fragrant and delicious to eat. However, its blooming period is quite short, so if you … Read more
Current Status: Prototyping and soldering completed, entering the final testing and optimization phase 1. Current Progress ✅ Completed Work Project Key Achievements Time/Cost PCB Prototyping – JLCPCB 5 Yuan special board (5 pieces)– Manual soldering: only a few components (CH224K/USB-C interface), but USB-C is really difficult to solder manually 1 week / ¥13.04 (including shipping) … Read more
1.Configuring QT in Buildroot 1.Open the configuration interface. ./build.sh buildroot-config 2.Use the arrow keys ↑↓ to navigate and select Target packages Press Enter to enter 3.Use the arrow keys ↑↓ to navigate and select Graphic libraries and applications (graphic/text) Press Enter to enter 4.After entering, use the arrow keys ↑↓ to find Qt5, press the … Read more
01 All test programs in this section require the development board to have a Qt environment to run. The provided file system is derived from a Yocto build. We will later organize a separate ported Qt system to facilitate users in porting third-party software. If the user’s file system is not our factory version, please … Read more
Hello everyone, I am Yaoshan, today I will discuss theMySQL startup issues Cause The server was rebooted, and after the server started, I found that the MySQL program did not start, the error message is as follows: 2025-04-19T12:46:47.648559Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.2025-04-19T12:46:55.913703Z 0 [Warning] [MY-000081] [Server] option 'max_allowed_packet': unsigned value 107374182400 … Read more
Click the business card below to follow the public account and star it to receive my latest shares.Reply in the background with Embedded Learning Materials to get a learning package👇👇👇 Introduction pkill stands for “process kill” and is used to terminate processes. It allows you to send signals to one or more processes by their … Read more
Let’s grow together every evening at 18:00! Recently, I discovered some interesting tools and couldn’t wait to share them with everyone. How do you usually check <span>Linux</span> logs? Personally, I often use <span>tail</span>, <span>head</span>, <span>cat</span>, <span>sed</span>, <span>more</span>, and <span>less</span>— these classic system commands, or tools like <span>awk</span> for data filtering, which work together efficiently. However, … Read more