“From today on, study hard and make progress every day.” Repetition is the best method for memory; spend one minute each day to remember the basics of C language. “C Language Beginner’s Essential Knowledge Notes Series of 100 Articles”“ 25. if Statement: The Most Common Conditional Judgment 1. Basic Structure of if Statement The if … Read more
In modern software development, efficiently handling I/O operations, compute-intensive tasks, or event-driven logic is crucial. Traditional asynchronous programming models, such as callback functions, often lead to the notorious “Callback Hell,” making the code difficult to read, maintain, and debug. C++11/14 introduced <span>std::future</span> and <span>std::promise</span>, providing basic support for asynchronous operations, but their chained calls are … Read more
Rust Web Practical: Building Elegant Unified Error Handling in Actix Web Error handling is an essential core aspect when building any robust web service. A good service should not only run stably under normal conditions but also provide clear, unified, and safe responses when encountering issues such as database connection failures, invalid user input, or … Read more
Hello everyone, I am Programmer Wan Feng, and my learning website is:www.python-office.com, focusing on AI and Python automation for office tasks.[1] 1. Concepts and Principles In Python programming, the correct use of indentation and punctuation is key to writing readable and functional code. Python is a language that is very sensitive to indentation; it not … Read more
1. Overview of Exceptions 1.1 Definition and Purpose of Exceptions An exception is an abnormal condition that occurs during the execution of a program, interrupting the normal flow of execution. Python uses exceptions to handle errors and other exceptional events that occur during program execution. Main Purposes of Exceptions: • Error handling: Gracefully handle runtime … Read more
Clara: A Powerful Command Line Parsing Library for C++ Clara is a simple, composable command line parsing library suitable for C++11 and later. It is a single-header library with no external dependencies (other than the standard library), making it very lightweight and easy to integrate into projects. Easy to Use The design goal of Clara … Read more
How to Read Files First, we create a file that contains our daily to-do list: example.txt Daily To-Do List ============ 【Today's Tasks】 1. Submit last week's work summary by 8:30 AM 2. Attend the departmental meeting at 10:00 AM, take notes on key points 3. Meet with the client to revise requirements at 2:00 PM, … Read more
I am Lao Wen, an embedded engineer who loves learning.Follow me to become even better together! Introduction This article mainly summarizes the main error handling methods in embedded C programming. The code execution environment involved in this article is as follows: 1. Error Concepts 1.1 Error Classification In terms of severity, program errors can be … Read more
Recommended Reading C Language Learning Guide: Have You Mastered These Core Concepts? Understanding Typical Scenarios of Dangling Pointers in C and Defensive Programming Strategies C Language Functions: From Beginner to Proficiency, A Complete Guide C Language Pointers: From Beginner to Proficiency, A Complete Guide C Language Structures: From Beginner to Proficiency, A Complete Guide C … Read more
Introduction 🤔 Can a robust protocol like the CAN bus still encounter errors? What is the structure of a CAN protocol error frame? What types of CAN errors exist? Let’s understand it all at once. 1 CAN Errors The CAN bus[1] serves as the foundation and standard for automotive industrial automation systems, boasting remarkable robustness … Read more
