đ Problem Description Write a function str_replace that replaces the first occurrence of an old substring with a new substring in the given string, returning the modified new string. Requirements: Only a single replacement is required The returned new string must be dynamically allocated Example: Input: str="Hello World", old="World", new="C" Output: "Hello C" Difficulty: âď¸ … Read more
Understanding the if Statement: A Deep Dive into C Language Control Structures In programming, control flow refers to a series of statements that determine the order of execution of a program. The <span>if</span> statement is one of the most fundamental and commonly used control structures in C language. It allows us to execute different blocks … Read more
Graphical User Interface: Basics of C Language GUI Programming A graphical user interface (GUI) is the standard interaction method for modern applications, allowing users to interact with programs through images and visual indicators rather than relying solely on text commands. While many developers prefer to use higher-level languages for GUI programming, such as Python or … Read more
Applications and Examples of Signal Handling in C Language Signal handling is an important concept in operating systems and programming, especially in C language, as it allows programs to respond to asynchronous events such as user input, timer expirations, or signals from other external devices. In this article, we will explore the basic principles of … Read more
Real-Time Requirements in Embedded C Programming In embedded systems, real-time is a crucial concept. Whether it is controlling motors, collecting sensor data, or handling communication protocols, tasks must be executed within strict time constraints. This article will detail the real-time requirements in embedded C programming and provide relevant code demonstrations. What is Real-Time? Real-time refers … Read more
C Language For Loop: Efficient Iteration Programming Techniques In C language, <span>for</span> loop is a very commonly used control structure that allows us to repeatedly execute a block of code under a specific condition. Compared to other loop structures like <span>while</span> and <span>do…while</span>, the <span>for</span> loop is usually more concise and readable, making it particularly … Read more
Various Methods and Examples of File Read and Write Operations in C Language In C language, file read and write operations are one of the important basic operations. Through files, we can persistently store data on disk or read data from the disk. In this article, we will detail several main methods for performing file … Read more
Click the blue “One Click Linux” in the upper left corner, and select “Set as Favorite“ Get the latest technical articles first âăEssentialsăLearning Path for Embedded Driver Engineers âăEssentialsăLinux Embedded Knowledge Points – Mind Map – Free Access âăEmploymentăA Comprehensive IoT Project Based on Linux for Your Resume âăEmploymentăResume Template Dynamic memory management is a … Read more
This is a short document describing the preferred coding style for the Linux kernel. Coding style is very personal, and I won’t force my views on anybody, but this is what goes for anything that I have to be able to maintain, and I’d prefer it for most other things too. Please at least consider … Read more
(Click the blue text above to quickly follow us) Compiled by: Bole Online/PJing, English: Rob Pike If you have good articles to submit, please click â here for details [Bole Online Guide]: Rob Pike is one of the most renowned software engineers at Google, a former member of the Bell Labs Unix development team, and … Read more