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Debunking C++ Myths

Debunking C++ Myths

By : Alexandru Bolboacă, Ferenc-Lajos Deák
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Debunking C++ Myths

Debunking C++ Myths

By: Alexandru Bolboacă, Ferenc-Lajos Deák

Overview of this book

Think you know C++? Think again. For decades, C++ has been clouded by myths and misunderstandings—from its early design decisions to misconceptions that still linger today. Claims like "C++ is too hard to learn" or "C++ is obsolete" are often rooted in some truth, but they are outdated and fail to capture the language’s ongoing evolution and modern capabilities. Written by industry veterans with over 40 years of combined experience, this book uncovers the myths, exploring their origins and relevance in the context of today’s C++ landscape. It equips you with a deeper understanding of advanced features and best practices to elevate your projects. Each chapter tackles a specific misconception, shedding light on C++'s modern features, such as smart pointers, lambdas, and concurrency. You’ll learn practical strategies to navigate common challenges like code portability and compiler compatibility, as well as how to incorporate modern best practices into your C++ codebase to optimize performance and future-proof your projects. By the end of this book, you’ll have a comprehensive understanding of C++'s evolution, equipping you to make informed decisions and harness its powerful features to enhance your skills, coding practices, and projects.
Table of Contents (15 chapters)
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One instruction to rule them all

Dear reader. In our previous section of this chapter, unfortunately, we exhausted the only pompous introduction we could borrow from various cultural sources concerning technical interviews, career and life choices, and whether should we take the red pill or the blue one, so let’s focus our attention on more technical questions that our candidates might face at a technical interview (the word technical appears four times in this short introductory paragraph).

One of these questions, served to the author of these lines a few years ago, was to write a short code snippet that will count the number of 1 bits (the on bits) in a 32-bit integer. Let’s draft up a quick application to do this:

int countOneBits(uint32_t n) {
    int count = 0;
    while (n) {
        count += n & 1;
        n >>= 1;
  ...

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