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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 Claims like "C++ is too hard to learn" or "C++ is obsolete" are often rooted in some truth, but they are outdated and fail to capture the language’s ongoing evolution and modern capabilities.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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The penguin farm

When Linux loads and executes an application (say we want to execute an application, not a shell script or something else), usually a fork()/execve() pair of system calls are initiated to start the execution of the application.

These system calls are responsible for duplicating the current process (fork()) and replacing the current process image with a new process image (the application to be executed – that is, execve()).

These API calls are presented in great detail in Advanced Linux Programming, by Mark Mitchell, Jeffrey Oldham, and Alex Samuel, but there are countless online resources dedicated to this subject. So, if you’re interested in this subject, you might find good sources of information there.

But let’s continue loading the executable. The execve() system call, after several iterations where it leaves the confines of userspace, will end up in the Linux kernel and create a linux_binprm structure2.

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