Namespaces were introduced to the C++ Standard in 1995 and usually, they are defined like this: A namespace defines a new scope. They provide a way to avoid name collisions. Although namespaces are used extensively in recent C++ code, most older code does not use this facility. After exploring the…

Like many other compiler designs, Clang compiler has three phases: The front end that parses source code, checking it for errors, and builds a language-specific Abstract Syntax Tree (AST) to represent the input code. The optimizer: its goal is to do some optimization on the AST generated by the front…

To let your code easy to understand and maintain, it’s better to enforce its code quality by following best practices. He is some best practices to design and implement a java class: 1- Modularize your code using Package-by-feature approach Package-by-feature uses packages to reflect the feature set. It places all items related to a single feature (and…

1- Try using new C++ standards as possible By 2011, C++ had been in use for more than 30 years. It was not easy to convince developers that the new C++ standards actually simplified many frustrating facets of C++ usage and that there was a new modern way to improve the C++ Code. Let’s take memory management as…

The Unified Modeling Language (UML) is a general-purpose, developmental, modeling language in the field of software engineering that is intended to provide a standard way to visualize the design of a system. According to Wikipedia: UML has been evolving since the second half of the 1990s and has its roots…

Robert C.Martin wrote an interesting article about a set of metrics that can be used to measure the quality of object-oriented design in terms of the interdependence between the subsystems of that design. Here’s from the article what he said about the interdependence between modules: What is it that makes…

The Unreal Engine is a game engine developed by Epic Games, first showcased in the 1998 first-person shooter game Unreal. Although primarily developed for first-person shooters, it has been successfully used in a variety of other genres, including stealth, MMORPGs, and other RPGs. Its code is written in C++ and…

C++11/C++14/C++17 includes several additions to the core language and extends the C++ standard library. Some of these new features are very easy to use and bring a big added value to your C++ projects. It’s interesting to detect automatically places where we can use some C++11 new features. For such…

Five years ago Facebook released their C++ library named Folly , it’s a large collection of reusable C++ library components that internally at Facebook are used extensively. But many mature C++ open source libraries exist, why introduce another one ? Here’s the motivations from their website behind its utility: Folly…