agile development

Basic Framework of Linux Kernel Modules

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The writing of Linux kernel modules intimidates many people, but it is actually not that difficult or complicated. Here’s a basic framework to help those with a little knowledge get started quickly. 1. Basic Framework (Before Kernel 2.3.13) #include<linux/kernel.h> #include<linux/module.h> int init_module(void){ pr_info("hello module.\n"); return 0; } void cleanup_module(void){ pr_info("hello end.\n"); } MODULE_LICENSE("GPL"); #include<linux/module.h> int … Read more

Debugging Information with DEBUG Print in IAR

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Debugging Information with DEBUG Print in IAR

#include “stdafx.h” #include<stdio.h> #include<stdlib.h> #include<string.h> // Whether to enable DEBUG mode //#define _DEBUG_ 0 // Not enabled #define _DEBUG_ 1 // Enabled #if _DEBUG_ #define PRINTF(…) printf(__VA_ARGS__) #else #define PRINTF(…) #endif int main() { int a, b, c; b = 1; c = 2; a = b + c; PRINTF(“a = %d\n”, a); getchar(); return … Read more

Switching from C++ to Rust: A Significant Improvement in Work Experience!

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Switching from C++ to Rust: A Significant Improvement in Work Experience!

Follow us丨Book giveaway at the end of the article I have been working professionally in C++ programming for over four years, but three months ago I found a new job that requires using Rust. I want to share my personal experiences and thoughts on switching between the two languages in this article. Disclaimer: This article … Read more

A Senior Developer’s Year-Long Journey Learning Rust

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A Senior Developer's Year-Long Journey Learning Rust

Pine from Aofeisi Quantum Bit | WeChat Official Account QbitAI How to learn Rust? An article on Hacker News has gone viral. Unlike similar crash courses available online, this one points out a path to learning Rust through personal experiences. After the tutorial was published, users on Hacker News also shared their learning experiences. Finding … Read more

Python Notes: Chapter One

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Python Notes: Chapter One

Introduction to Python 1. The Origin and Versions of Python 1.1 Origin of Python The founder of Python is Guido van Rossum. During Christmas in 1989, Guido van Rossum (Chinese name: Turtle Uncle) decided to develop a new scripting interpreter to pass the time in Amsterdam, as a successor to the ABC language. 1.2 Python … Read more

Python Basics Syntax Tutorial

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Python Basics Syntax Tutorial

Follow 👆 the official account and reply with 'python' to receive a beginner's tutorial! Source from the internet, please delete if infringing. 1. Identifiers An identifier is a name given to variables, constants, functions, classes, and other objects. First, it must be stated that Python strictly distinguishes between uppercase and lowercase letters in any context! … Read more

18 Efficient Python Programming Tips

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18 Efficient Python Programming Tips

Click the "Little White Learns Vision" above, select "Star" or "Top" Heavy content, delivered first time Initially getting to know Python, I felt that Python met all my requirements for a programming language during school. The efficient programming techniques of Python make us, who suffered through four years of C or C++, extremely excited, finally … Read more

Comprehensive Python Beginner’s Guide from Zero to Mastery

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Comprehensive Python Beginner's Guide from Zero to Mastery

Follow 👆 the public account and reply with 'python' to get the beginner's tutorial! Source from the internet, please delete if infringing. Python literally means “snake” in English. It wasn’t until 1989 when a Dutchman named Guido van Rossum (abbreviated as Guido) invented an object-oriented interpreted programming language (which will be introduced later) and named … Read more

90 Simple and Practical Python Programming Tips

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90 Simple and Practical Python Programming Tips

Source丨Internet Coding Principles Tip 1: Understand the concept of Pythonic—see Zen of Python in Python for details. Tip 2: Write Pythonic code (1) Avoid non-standard code, such as using case to differentiate variables, using confusing variable names, or being afraid of long variable names. Sometimes long variable names can make the code more readable. (2) … Read more

Comprehensive Python Key Concepts You Need to Know

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Comprehensive Python Key Concepts You Need to Know

Click the above “Visual Learning for Beginners” to choose to add a Star or “Top” Important content delivered promptly Since I summarized too much content, the length is a bit long, and this is also something I have been “patching together” for a long time. Py2 VS Py3 print became a function; in Python 2 … Read more