Today, we will learn what a BSP engineer is. Embedded Systems To understand what an embedded software engineer is, we first need to discuss embedded systems (embedded devices). According to Wikipedia, an embedded system is defined as follows: An embedded system is a computer system that is embedded within a mechanical or electrical system, designed … Read more
Produced by Big Data Digest Source: JetBrains Compiled by: Jiang Baoshang As a high-level programming language, the popularity of Python has been on the rise in recent years. Every year, the official Python organization conducts an annual report on the developer community, summarizing the year’s developments and releasing a survey report. This year is no … Read more
Qtile is not just an ordinary window manager; it is a fully-featured and highly customizable tiling window manager written and configured in Python. It is not merely a tool but a platform that allows you to control your desktop environment through code, achieving a highly personalized window management experience. This article will take you deep … Read more
Most Linux distributions use KDE or GNOME as their default desktop environments. Both provide users with a raw and attractive desktop, along with a variety of multimedia software, system programs, games, utilities, web development tools, programming tools, and more. These two desktops aim to offer users a cutting-edge computing environment similar to the Windows operating … Read more
(Click the public account above to quickly follow) Source:ggjucheng Link: http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2856896.html Introduction grep (global search regular expression (RE) and print out the line) is a powerful text search tool that can search text using regular expressions and print out the matching lines. The grep family in Unix includes grep, egrep, and fgrep. The commands egrep … Read more
(Add to your favorites for Linux enthusiasts to enhance Linux skills) Source: Zifimu www.cnblogs.com/wangtao1993/p/6144183.html Today, I want to write a small program in Python to detect whether specific service ports are occupied. I suddenly realized that I didn’t know how to check port usage in Linux. Oh no, I need to learn this quickly. 😁 … Read more
(Click the public account above to quickly follow) From: cnblogs Link: http://www.cnblogs.com/me115/p/3427319.html This article will introduce the most commonly used tools for text processing in Shell under Linux: find, grep, xargs, sort, uniq, tr, cut, paste, wc, sed, awk; The examples and parameters provided are the most commonly used and practical; My principle for using … Read more
First, let’s start with a beautiful image 1 Introduction to zsh 1.1 Linux Shell Linux/Unix provides many types of shells. Why so many shells? Are they for cooking? Let me ask you, why do you have so many similar clothes? Different colors and textures. Writing programs is much more complex than buying clothes, and programmers … Read more
【Summary】 Sometimes you may want to analyze your program based on the following parameters: the time spent by the program in user mode, the time spent by the program in kernel mode, the average memory usage of the program, etc. On Linux, we have a utility specifically designed for this purpose called “time”. The “time” … Read more
Recently, I assembled a NAS system using an old laptop and needed to configure it so that the laptop does not enter sleep mode when the lid is closed. Here are the steps I followed: Edit the logind.conf file with the following command: vi /etc/systemd/logind.conf You will see the following content: #HandlePowerKey: Action when the … Read more