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 Claims like "C++ is too hard to learn" or "C++ is obsolete" are often rooted in some truth, but they are outdated and fail to capture the language’s ongoing evolution and modern capabilities.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

A few years ago, I led a team that built a few web applications in a language called Groovy with a framework named Grails. Groovy is an optionally typed and dynamic language, meaning that it assigns types at runtime, but you can provide type hints for the compiler. It can also be compiled statically, and since it’s built on JVM, the code ends up in a Java unit.

I had noticed in previous web projects that types were useful at the edges of the system, for checking request parameters, interacting with databases, and other I/O operations. But types in the core of a web application tended to make things more difficult. We often had to change code or write extra code to accommodate new ways of using the already-implemented behaviors, since users of web apps often notice a scenario that is useful and want it to work in other contexts or for other types of data. So, I decided from the very beginning that we would use types for request validation, to ensure...

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