In the field of programming, exploring solutions to mathematical problems is both an interesting and challenging task. Today, we will implement a specific mathematical problem using C language: determining whether a given positive integer can be expressed as the sum of two prime numbers. This problem is known in mathematics as “Goldbach’s conjecture”. Although this … Read more
Introduction EMQX is an open-source MQTT message server developed on the Erlang/OTP platform, widely used in the Internet of Things (IoT) field for message transmission and control between devices and servers. This document is based on the NXP i.MX8M Plus ARM processor platform, deploying and testing EMQX by integrating a Docker environment into the Yocto … Read more
BitBake is a powerful build tool primarily used for building embedded Linux systems, playing a core role in the Yocto Project. It is not just a simple build tool but a complete task execution engine capable of handling complex dependencies and build processes. Basic Concepts BitBake uses specific configuration files (.bb files) to describe how … Read more
According to reports from Electronic Enthusiasts (by Huang Jingjing), AMD has announced the launch of the fifth generation AMD EPYC Embedded processor, expanding its x86 embedded processor product line.The AMD EPYC Embedded 9005 series CPUs are optimized for the embedded market, achieving a balance between computing power and specially designed embedded features, enhancing product lifespan, … Read more
Continuing from the last time, the principle of device cloud control. Today, I found something good on CoolAPK, shared by the expert Da Nuo Nuo, which is just right as the device in hand has adb available for us to take a look.The so-called Yocto is not pronounced as “yang le duo” but as “yao … Read more
(Click the public account above to quickly follow) Author: Cheng Mo, www.cnblogs.com/chengmo/archive/2010/10/14/1851434.html If you have good articles to submit, please click → here for details The Linux shell has its own set of control statements, including conditional statements (if), loop statements (for, while), and selection statements (case). Below, I will introduce the usage of each … Read more
The popularity of CentOS needs no further elaboration, as it is the most widely installed free version of Linux Server. However, CentOS 8 will “completely” end support by the end of the year. Are you worried?! There will no longer be such a user-friendly Linux to “free ride” on, are you anxious? Today, let’s take … Read more
Windows and Linux are two of the most common operating systems. Windows has essentially dominated the PC market and has achieved significant commercial success, but it is not open source, so to access the source code, one must join the Windows development team. Most server operating systems are based on Linux, and the kernel source … Read more
Click/the blue text above/to follow me🚀 Reply 【Evangelist】 in the public account to view the latest AI technology learning path 🚀🔥 From Auto Parts City to Geek Circle: Unveiling the ‘Rice’ Customization Philosophy of Arch Linux🌟 【Introduction】 When Car Culture Collides with the World of CodeHave you ever seen a scene like this?• A modified … Read more
The replacement function of sed is very powerful and is also the most common use of sed. By default, sed does not actually modify the file. If you want to write the modified content back to the file, you need to add the -i option. Command syntax: sed ‘[address range|pattern range] s#[keyword to be replaced]#[replacement … Read more