Practical Automation in Operations: Managing Thousands of Servers with Ansible and Python

Practical Automation in Operations: Managing Thousands of Servers with Ansible and Python

At three o’clock that morning, I was dealing with an unexpected online failure with my colleagues, where dozens of service nodes needed urgent configuration updates. Manual operation? Not realistic. Writing a temporary script? Too slow. At that moment, I remembered the Ansible + Python automation framework I had configured earlier. Within three minutes, all node … Read more

Achieve These Six Points for Rapid Improvement in Dance

Achieve These Six Points for Rapid Improvement in Dance

Fundamentals are the Foundation of Dance   Throughout the process of learning dance, instructors repeatedly emphasize the importance of fundamentals. In fact, many technical movements in dance rely heavily on solid fundamentals. For dance, fundamentals are like the foundation of a building; only when the foundation is strong can the building be sturdy, and only then … Read more

Standardization of PLC Programming: Norms and Best Practices for Ladder Diagrams

Standardization of PLC Programming: Norms and Best Practices for Ladder Diagrams

I remember when I first started in the industry, I took over a PLC program left by a former colleague, and it was a complete mess! There were no comments, variable names were arbitrary, and the program structure was chaotic. It took me three whole days to understand this program. This is why today I … Read more

Python Indentation Rules: Writing Standards for Improved Code Readability

Python Indentation Rules: Writing Standards for Improved Code Readability

Python Indentation Rules: Writing Standards for Improved Code Readability In Python programming, indentation is an important concept. Unlike many other programming languages that use braces or keywords to define code blocks, Python uses indentation to distinguish the hierarchy and structure of the code. Therefore, understanding and correctly using indentation rules is crucial for writing clear … Read more

108 Python Projects for Graduation Practice (Source Code Included)

108 Python Projects for Graduation Practice (Source Code Included)

🔥 Good afternoon, everyone! I have compiled 108 Python graduation projects for you to practice and test your skills. In just two hours, you can create something of your own and master Python through practice. (Source code + documentation included) Feel free to use it!1、[Python Image to ASCII Art]2、[2048 Game Implemented in 200 Lines of … Read more

Finding the Balance in Code Comments for Embedded Programming

Finding the Balance in Code Comments for Embedded Programming

In the vast field of embedded software development, code comments have always been a controversial topic. Some teams adhere to the belief that “code is documentation,” arguing that excellent code should be self-explanatory; while others advocate for detailed code comments, believing that comments can help other developers understand the logic and intent of the code … Read more

Basic Applications of I/O Mapping in PLC Control Systems

Basic Applications of I/O Mapping in PLC Control Systems

Recently, I have been frequently asked by newcomers about I/O mapping, which is quite annoying. After working in this field for over ten years, I have seen too many people who can’t even understand such basic concepts, constantly complicating simple issues. So today, I will discuss I/O mapping in PLCs, so please stop asking about … Read more

Preventing Multimeter Explosions: Best Practices for Electricians

Preventing Multimeter Explosions: Best Practices for Electricians

First, it is essential to develop good habits by carefully checking the multimeter for any abnormalities before use. This does not take much time but has a significant impact. For example, check for any damage to the meter, and whether the digits or needle are functioning correctly, especially when measuring high voltages. Always inspect the … Read more

Advanced CMake Practices and Common Issues

Advanced CMake Practices and Common Issues

Today, we will delve into two heavyweight topics: package management installation configuration and best practices along with common issues. Have you also encountered these situations: Wrote a fantastic library but don’t know how to let others use it elegantly; After sharing the project, others always complain about “missing dependencies”; Clearly configured CMakeLists.txt, yet still falls … Read more

C++ Best Practices for Safety

C++ Best Practices for Safety

Click the blue text Follow us Due to changes in the public account’s push rules, please click “Looking” and add “Star Mark” to get exciting technical shares at the first time Source from the internet, please delete if infringed C++ Best Practices: 1. Tools 2. Code Style 3. Safety (This Article) 4. Maintainability 5. Portability … Read more