Comments Comments are statements that explain the intent of the code. Adding comments in C++ code can help better understand what the program is doing. The compiler ignores everything in the comments, so this information will not appear in the output and will not be executed by the computer. Comments that start with two slashes … Read more
gdb is a commonly used debugging tool in the workplace. A friend suggested that I introduce the usage of gdb, and after some thought, I decided to organize my own experiences with gdb into a series. This serves both to reinforce my foundational knowledge and to share some of my experiences and techniques. References All … Read more
As a hardware engineer, have you ever experienced the scenario where outsiders enviously say, “Your job of designing boards is so cool,” and you can only respond with a wry smile? Or when a project is delayed, your software colleagues question, “Isn’t your hardware design already completed?” In fact, schematic and PCB design is just … Read more
There is an old saying:“A good memory is not as good as a bad pen.” This saying is equally true in the programming world. The code we write may be forgotten by ourselves months later, and to avoid future frustration, we need to learn to use a very important tool——comments。 01 What are comments? The“invisible … Read more
1. The Essence and Core Value of Comments Comments are non-executable text in source code meant for human reading, and their core value lies in enhancing code maintainability. In Linux kernel development, the principle of “comments should explain why, not how” is followed. For example, in the memory management module, developers might comment, “Using a … Read more
After completing the PCB design, to ensure smooth production and meet subsequent maintenance needs, the following key documents are typically required: 1. PCB Production Documentation • Gerber files • Drill files • IPC netlist (optional) • PCB fabrication instructions 2. SMT Placement Files (Assembly Documentation) • Coordinate files • BOM (Bill of Materials) • Assembly … Read more
There hasn’t been an update in the past two weeks as I have been trying to integrate Talebook capabilities into Anx-Reader. A friend asked about the ARM version image, which can be used with this image tag: v3.15.1-arm64. I also organized the API documentation, which is located in the project’s document directory. You can access … Read more
Scan to FollowLearn Embedded Together, learn and grow together When receiving a development board, the first thing to do is to understand it, find relevant materials, and familiarize oneself with its configurations. Then, set up the development environment. Thinking back to the past (here comes the show-off), the first development board I encountered while learning … Read more
The differences between single quotes, double quotes, and triple quotes in Python: 1. Single quotes (‘) and double quotes (” )： • Functionally identical：Both are used to define single-line strings and can be used interchangeably. • Selection criteria：Primarily based on the type of quotes contained within the string to avoid using escape characters. • If … Read more
Introduction Hello everyone! Today, I want to share with you a seemingly simple yet extremely important topic — the standardized management of PLC program modification records. Don’t underestimate this “documentation work”; it can improve your version management efficiency by over 50%! Imagine this scenario: a sudden fault occurs on the production line, and you find … Read more