1. Exception Handling Practices When writing C++ code, unexpected errors and exceptions may occur. To make our code more robust and reliable, we need to use the exception handling mechanism to handle these situations. 1. Writing Exception Handling in High-Quality Code When writing high-quality code, we should follow some guidelines to design and write exception … Read more
(Zero) On the afternoon of March 9, 2025, it was the day of the STEMA exam. This exam is separate from the Lanqiao Cup. That day, because Zhuangzhuang’s parents were quite busy, his mother set up the tablet for him to monitor and then went to work. Later, when the exam was over, his mother … Read more
June 2024:Rest Time 01 Source of the question Luogu NetworkB4000 , Xin’ao Open Class Problem Solving Approach 02 1. Time Conversion: Convert the start time’s hours, minutes, and seconds into total seconds. Then add the study seconds <span><span>k</span></span>, resulting in the total seconds for the rest time. 2. Time Restoration: Convert the total seconds back … Read more
In this article, I will guide you through the content of GESP Level 1, helping you to successfully pass the exam.” 01 — Level 1 Knowledge Points “The above image is from the GESP official website gesp.ccf.org.cn” Looking ahead, you will see the first two knowledge points, which are secondary focuses. A dedicated article will … Read more
1. Detailed Explanation of Core Topics for C++ GESP Level 5 According to the official GESP syllabus and analysis of past exam questions, the Level 5 exam mainly covers the following knowledge points: 1. Elementary Number Theory Core Content: Prime number determination (Sieve of Eratosthenes, linear sieve), greatest common divisor (Euclidean algorithm), congruences and modular … Read more
Gazebo is a powerful simulation library based on C++, primarily used for the development and testing of robotics. It acts like a virtual laboratory, allowing developers to build various scenarios and test robot behaviors without worrying about damaging actual hardware. Gazebo offers a rich set of features, such as model generation, physics simulation, and sensor … Read more
1. Introduction 1.1 Importance of Memory Management In computer science, memory management is a crucial part of operating systems. It is responsible for managing the main memory (primary storage) of the computer, which is the storage space directly accessible by the CPU, including physical memory and all available virtual memory. The main tasks of memory … Read more
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Click the topPublic Account to follow us~ In software development, design patterns are tools that help make code structure clearer, more maintainable, and extensible. The MVC (Model-View-Controller) pattern is one of the classic design patterns widely used in graphical user interface (GUI) applications. Qt, as a powerful cross-platform development framework, also adopts the MVC pattern … Read more
01 Use Structures to Store Common Variables in AdvanceWhen writing preprocessing and postprocessing functions, certain variables, such as the shape of the model input tensor and count, are often used multiple times. If these values are recalculated in each processing function, it will increase the computational load during deployment. In such cases, consider using a … Read more
In C++ programming, a macro is a text replacement tool processed by the preprocessor, implemented through the <span>#define</span> directive. While macros can be very useful in certain scenarios, they are also controversial due to their potential side effects. This article will cover the basic syntax, common uses, drawbacks, and modern alternatives to help developers use … Read more