Getting Started with Embedded Systems
Board Setup & Configuration
Programming Tutorials (C, Python, Rust)
Debugging & Performance Optimization
Hello everyone! Today we will learn an interesting programming project—implementing an animation of a bouncing ball using C++. This project not only has an intuitive visual effect but also includes core concepts of animation programming and physics simulation.First, let’s look at the final effect: in the center of a black window, a small ball falls … Read more
For the GESP Level 2 Exam: C++ 202312 Level 3 Unit ConversionThis problem is relatively simple, but there is a major difficulty: it is hard to understand, with nearly 700 words in total, reading the question is quite exhausting, it feels like a reading comprehension exercise.Look at the question: Problem-solving approach: First: we can understand … Read more
How to Learn C++? A Comprehensive Guide from Beginner to Practical Application, Helping Newbies Avoid 99% of Pitfalls!Introduction As a “timeless classic” in the programming world, C++ remains a core language in fields such as backend development, game engines, embedded systems, and operating systems due to its efficient performance and wide range of applications. However, … Read more
Last week, our automation pipeline suddenly failed, and the error message was simply: Connection refused The developer said: “The service is down, go check the server.” I logged into the test machine and resolved it with three commands: ps -ef | grep order-service # Check processesnetstat -tunlp | grep 8080 # Check porttail -f /var/log/order.log … Read more
In the process of digital transformation in enterprises, EDI (Electronic Data Interchange) systems have become the core hub for connecting supply chains and automating business processes. Typically, we recommend equipping separate servers for testing and production environments to ensure maximum stability and performance. However, in reality, IT teams often face the challenge of how to … Read more
Last week, I encountered a strange issue. I modified a YAML file locally, and it worked fine in the simulated environment. I planned to deploy it to the integration environment for formal testing. However, I wanted to conduct a small-scale test myself before the formal testing to minimize the chances of bugs being discovered and … Read more
1. System Requirements CentOS 7/8 or Ubuntu 18.04+ At least 2GB of RAM 10GB of available disk space 2. Install Dependencies CentOS/RHEL: yum update -y yum install -y epel-release yum install -y gcc gcc-c++ make pcre-devel libxml2-devel \ net-snmp-devel libevent-devel openssl-devel \ sqlite-devel openldap-devel libssh2-devel \ mysql-devel postgresql-devel curl wget Ubuntu/Debian: apt update apt install … Read more
Say Goodbye to WiFi Dead Zones A Step-by-Step Guide to Setting Up Two Routers Read Now Friends ask me, I have a router installed in the living room, and the network speed is great there, but it slows down in the bedroom and balcony. Is there any solution? Have you also encountered these frustrating moments? … Read more
Learn how to use sockets, buffers, TCP, and the poll() multiplexing technique in C language to develop real network applications: enhance your network programming skills through practical projects and hands-on exercises. You Will Learn How to write a simple TCP client program that can connect to an actively running server Understanding how sockets, file descriptors, … Read more
1First, determine the dimensions of the board in the PCB file, as shown in the figure below, with a frame length of 100 mm and a width of 75 mm. 2Open the color display dialog, turn off all unrelated displays, and leave only the board frame. 3Right-click to select the board frame, then select the … Read more