Understanding the Differences Between Linux Commands ‘su’ and ‘sudo’ Previously, I was confused about the two commands su and sudo. Recently, I specifically searched for information on this topic and finally clarified the relationship and usage of both commands. This article aims to systematically summarize the findings. 1 Preparation Since this blog involves user switching, … Read more
In 1969, Ken Thompson developed the UNIX system at Bell Labs in just three weeks, with the editor ed completed in only one week. However, this command-line editor was originally designed to accommodate teleprinters rather than display terminals. As a result, ed does not allow you to directly modify a line of text in an … Read more
The following video is provided by Tree Information Technology. 【Copyright Statement】 Authorized by Tree Technology for reprint, this account aims to disseminate quality resources to better meet the needs of Raspberry Pi enthusiasts. This work is publicly reprinted, source Bilibili, open from the original text. The course is Python programming for Raspberry Pi, recommended for … Read more
Source: Automotive Maintenance Technology and Knowledge 1. Engine Electronic Control System The Engine Electronic Control System (EECS) electronically controls the ignition, fuel injection, air-fuel ratio, and exhaust emissions of the engine, allowing it to operate under optimal conditions to improve overall vehicle performance, save energy, and reduce exhaust emissions. 01 Electronic Ignition System (ESA) The … Read more
Overview The surround view system utilizes four wide-angle fisheye cameras around the vehicle, typically installed at the front, rear, and below the side mirrors, to create a 360-degree blind spot-free coverage around the vehicle. The surround view system provides a panoramic parking video assistance and integrates multiple warning functions, becoming an important component in the … Read more
Introduction With the continuous development of technology, visualization and intelligence have become the future development direction of modern vehicles.360-degree surround view is an important feature of smart vehicles and has been widely used in passenger vehicles. Recently, with the increasing demand for reliability and safety of commercial and special vehicles, related enterprises have also begun … Read more