The standard library type vector represents a collection of objects, all of the same type. Each object in the collection has a corresponding index, which is used to access the object. Because vector contains other objects, it is also referred to as a container. 1.<span>vector</span> Basics 1.1 <span>vector</span> Overview: Core Features <span>vector</span> (commonly translated as … Read more
“C++ Primer, Fifth Edition” is a classic textbook in the field of C++, comprehensively covering the core features of the C++11 standard, balancing syntax details with programming practices, making it suitable for both beginners and experienced developers looking to fill gaps in their knowledge.Below, we extract the core knowledge points of the book from four … Read more
Iterators are an important component of the STL. They act like a “navigator” for containers, allowing you to accurately traverse each element, whether you are dealing with a vector, list, or map. Learning STL requires mastering the basic usage of iterators, so let’s take a look. What exactly is an iterator? To illustrate, when you … Read more
First Interview 1. Interviewer Self-Introduction 2. Self-Introduction Reference Answer 30–60 seconds “four-part format”: Background → Tech Stack → Representative Projects → Quantified Results; 3. Memory Layout of Classes Reference Answer No virtual functions: Object = Order of data members + Alignment padding; when containing a base class, the “base class sub-object” is at the front. … Read more
Today we begin learning about the main feature of C++, the STL. In fact, some readers have previously asked me when I would write about STL. However, since I am learning C++ while writing for this public account, I am not a C++ veteran. I can only organize and document what I have learned to … Read more
First Interview 1. Self-Introduction Sample Answer Briefly introduce your personal background, technology stack, and project experience, highlighting the parts relevant to the position. For example: “I mainly use XXXXXX to develop XXXXX, familiar with XXXX, and have worked on XX projects, focusing on solving XXXXX problems.” Analysis Keep it around 1 minute. Emphasize skills that … Read more
Overview This article will answer the following related questions, covering basic C++ concepts: 1. What is the purpose of the const keyword? 2. What is the purpose of the static keyword? 3. What is the difference between new and malloc? 4. What is the purpose of volatile? 5. How is C++ memory partitioned? 6. What … Read more
Introduction to C++ Functors A functor is a special type of object that can be called like a regular function. However, it is more than just a function; it is an instance of a class or struct that implements function call behavior by overloading the operator(). We are all familiar with regular functions, such as … Read more
Click the blue text to follow the author 1. Introduction In the era of multi-core processors, to efficiently utilize computing resources, the thread pool has become an important concurrency model, suitable for server-side applications, high-performance computing, and various scenarios that need to handle a large number of concurrent tasks. By pre-creating and managing a set … Read more
C++ generic programming is a powerful programming paradigm that allows you to write code that is independent of specific data types, thereby enhancing code reusability and flexibility. What is Generic Programming? The core idea of generic programming is “write once, use many times”. It enables functions or classes to handle multiple data types without the … Read more