Click the blue “Most Programmer” to follow me! Add a “star“, every day at 18:03 to learn technology together The commands include: 1. The free command, which displays the system memory status, including physical memory, swap memory, shared memory, and system cache usage; 2. The cat /proc/meminfo command, which reads the contents of the /proc/meminfo … Read more
Issue 1: The driver cannot load or reports an error after loading. Possible reasons: Incorrect compilation options, module information, dependencies, symbol exports, etc.; the driver is incompatible with the kernel version; the driver is incompatible with the hardware device; errors in the driver’s initialization or exit functions; issues with the driver’s permissions or path settings, … Read more
Introduction: Want to know the underlying secrets of Django ORM and Flask middleware? This article will guide you through building pluggable framework components using metaprogramming techniques, implementing core functionalities such as automated route registration and dynamic configuration loading step by step! At the end of the article, a Python full-stack development gift package is included, … Read more
Introduction: Still troubled by Python’s GIL limitations? This article will guide you through breaking performance bottlenecks using underlying principles + practical solutions, achieving a high-performance architecture evolution from single-machine to distributed! A Python full-stack development gift package is included at the end, claim it now >> 1. Analysis of Underlying Principles for Performance Optimization 1️⃣ … Read more
1. Memory Management: Python’s “Invisible Steward” Python memory management operates through automatic garbage collection and reference counting, silently handling: • Object creation and destruction • Memory leak prevention • Circular reference handling • Optimization of large memory objects Core Objective: To achieve a balance between development efficiency and runtime performance, allowing developers to avoid manual … Read more
Click the "Linux Tech Enthusiast" above and select "Set as Star" to receive high-quality articles promptly. ☞【Essentials】ChatGPT 4.0 is unlocked, no limit on questions!!! ☞【Essentials】Tsinghua University senior's self-study Linux notes, top-level quality! ☞【Essentials】Comprehensive guide to commonly used Linux commands, all in one article. ☞【Essentials】Collection! Linux basic to advanced learning roadmap. Link: https://mp.weixin.qq.com/s/Rey0gSnnj-zoAEwE6J-Gjw The performance of … Read more
Inline Functions in C: Enhancing Performance In C, functions are an important way for us to encapsulate code and achieve reuse. However, in certain cases, calling a function may incur some performance overhead. To address this issue, C provides a very useful feature—Inline Functions. This article will explain in detail what inline functions are, how … Read more
Using serial ports to print debugging information is a common debugging method, known for its simplicity and ease of use, but it also has significant limitations:– It does not support advanced features such as breakpoints, single-step tracing, and memory read/write.– Excessive printed debugging information can impact performance, while too little information may be insufficient to … Read more
PLC Hardware Monitoring: Online Monitoring Module Configuration for Real-Time Parameter Management! Introduction Hello everyone! Today, I want to share a technology that will help PLC maintenance engineers sleep better—online hardware monitoring! [Red Code]Imagine being able to detect potential issues before the device alarms, just like giving your PLC a “health bracelet”! [Blue Code] By keeping … Read more
▼ Click the card below to follow me ▲ Click the card above to follow me Optimizing web application performance has always been a top priority for programmers. As Python backend developers, we are often on the lookout for tools that can make our applications run faster and more reliably. Today, we will discuss Gunicorn, … Read more