C++ Language

In C++, virtual functions are a fundamental part of object-oriented programming that enable runtime polymorphism. This dynamic dispatch mechanism makes virtual functions essential for building flexible, extensible, and modular systems especially in large-scale or hardware-abstracted software architectures. In this article you will learn what is virtual function in C++ and when to use it.  I

In today’s fast-changing world of development, it is important to write code that is understable, maintainable, scalable, and stable. That means your code should be easy to understand, maintain, and grow over time.   In C++, one useful feature that helps us achieve this is the pure virtual function. This feature allows us to create

I have designed a wide range of embedded systems devices, from precise energy meters to ultra-low-power IoT devices. One important lesson I have learned over the years is that code maintainability matters a lot. A maintainable code matters far more in the long run than clever performance tricks. In fact, clean, well-structured and maintainable code

When writing efficient and bug-free code in C++, especially in embedded or systems programming, understanding deep copy vs shallow copy is critical. Misunderstanding these concepts can lead to memory corruption, crashes, or data inconsistencies – issues no firmware engineer wants in a production device. This blog post will walk you through the fundamental difference between

When developing firmware, performance, memory footprint, and safety are critical. That is where keywords like const and constexpr come into play. At first glance, both seem to make variables immutable, but they differ significantly in when and how they achieve this. In this post, I will explain the technical depth behind const and constexpr, their

If you have worked with the C++ STL library, you have definitely encountered the error “Vector subscript out of range.” This occurs when attempting to access an element in a std::vector using an invalid index. This often leads to undefined behavior, crashes, or runtime errors. In this article, we will discuss the causes of this

In this blog post, you will learn how to Print a 2D Vector in C++ with the help of C++ programs. I have already written an article “how to initialize a vector in C++“, you can check. Now comes the topic of how we can print a 2D vector in C++. So, let’s get started,