Introduction 【Preface】 Long time no see! I have been busy with the launch of a new project for the past six months, and I haven’t written an article in a while (please be gentle 😅). During this time, while troubleshooting online issues, I found that many colleagues still understand HTTP status codes as just “200=Success, … Read more
Error handling is an important topic in the C language. Since C does not support an exception handling mechanism, we typically use return values to indicate the result of a function’s execution, including success and failure. This article will detail how to handle errors in C, primarily through return values and some common practices. 1. … Read more
In today’s embedded system development, fast and secure character input and output are among the primary concerns for many developers. The EMIO (Embedded I/O) library, with its compact binary footprint and efficient functionality, has become an ideal choice for character input and output operations in embedded systems and real-time operating systems (RTOS). This article will … Read more
Intermediate PLC Programming: Custom Library Function Development for Easier Reuse of General Functions! 🔥 Pain Points of Traditional PLC Programming: The Vicious Cycle of Duplicate Code Does your PLC program frequently contain duplicate code? Does modifying one function cause a ripple effect throughout the entire program? Is it like searching for a needle in a … Read more
▼ Click the card below to follow me ▲ Click the card above to follow me Httpx: Making Asynchronous HTTP Requests Smooth as Silk! In the realm of network programming, HTTP requests are like messengers, responsible for transmitting messages between applications and the network world. However, traditional synchronous requests often feel like waiting in line … Read more
In the internet age, network requests are like the daily “breath” of programmers. Whether it’s web scraping, API calls, or data interaction, we always need to deal with HTTP. Today, I want to introduce you to a super cool Python library—Httpx, which makes network requests so simple that you’ll scream! Getting to Know Httpx: A … Read more
In modern application development, HTTP requests are one of the core ways to interact with servers.<span><span>HttpClient</span></span> is the core class in the .NET framework for handling HTTP requests, and the <span><span>PostAsync</span></span> method is an important tool for implementing asynchronous POST requests. This article will delve into the basic concepts, advantages, use cases, code examples, error … Read more
1. Introduction In embedded system development, safety and reliability are crucial. When faced with input validation, boundary condition checks, and other scenarios, developers often need to choose between <span>if</span> condition checks and <span>assert</span> assertions. This article will analyze the applicable scenarios and best practices for both from a technical perspective. 2. Basic Differences Between if … Read more
📌 Problem Description Write a number guessing game with the following rules:: The program randomly generates an integer between 1~100. The user has a maximum of 10 attempts, with hints provided as “too high” or “too low” after each guess. Upon guessing correctly, a congratulatory message is displayed; if unsuccessful, the correct answer is revealed. … Read more
Essential Guide for Python Beginners: 5 Common Debugging Mistakes to Avoid! Introduction: As a Python developer, do you often find yourself overwhelmed by various error messages? This article will reveal the top 5 common pitfalls that beginners encounter, along with practical debugging techniques to help you quickly improve your code quality! At the end of … Read more