CppCon 2019 Poster Submission

by CppCon

CppCon is pleased to announce its fourth Poster Session, with the objective of fostering conversation around the many exciting projects, approaches, design patterns, and creative work in which the C++ community is engaged.

CppCast Episode 205: CMake and VTK with Robert Maynard

by Rob Irving and Jason Turner

Robert Maynard is a principal engineer at Kitware and spends most of his time as a primary developer of VTK-m. VTK-m is a HPC toolkit of scientific visualization algorithms for highly concurrent processor and accelerator architectures. It uses a fine-grained concurrency model for data analysis and visualization algorithms allowing for seamless execution on GPU's or many-core CPUs.

When not working on VTK-m, Robert is either; writing CMake code, teaching CMake, or working to improve CMake.

Use constexpr for faster, smaller, and safer code

by Trail of Bits

With the release of C++14, the standards committee strengthened one of the coolest modern features of C++: constexpr. Now, C++ developers can write constant expressions and force their evaluation at compile-time, rather than at every invocation by users. This results in faster execution, smaller executables and, surprisingly, safer code...

Simplify Your Code With Rocket Science: C++20’s Spaceship Operator

by Cameron DaCamara

C++20 adds a new operator, affectionately dubbed the “spaceship” operator: <=>. There was a post awhile back by our very own Simon Brand detailing some information regarding this new operator along with some conceptual information about what it is and does.  The goal of this post is to explore some concrete applications of this strange new operator and its associated counterpart, the operator== (yes it has been changed, for the better!), all while providing some guidelines for its use in everyday code.

PVS-Studio in the Clouds - Running the Analysis on Travis CI

by Oleg Andreev

Travis CI is a service for building and testing software that uses GitHub as a storage. Travis CI doesn't require changing of programming code for using the service. All settings are made in the file .travis.yml located in the root of the repository. We'll take LXC (Linux Containers) as a test project for PVS-Studio. It is a virtualization system at the operation system level for launching several instances of the Linux OS at one node. The project is small, but more than enough for demonstration.

CppCast Episode 204: Functional Programming in C++ with Ivan Čukić

by Rob Irving and Jason Turner

Ivan Čukić is the author of "Functional Programming in C++" published by Manning.

He is one of the core developers of KDE, the largest free/libre open source C++ project.

He is also teaching modern C++ techniques and functional programming at the Faculty of Mathematics in Belgrade and has been using C++ for more than 20 years. He has been researching functional programming in C++ before and during his PhD studies, and uses the techniques in real-world projects.

The Power of Hidden Friends in C++

by Anthony Williams

"Friendship" in C++ is commonly thought of as a means of allowing non-member functions and other classes to access the private data of a class. This might be done to allow symmetric conversions on non-member comparison operators, or allow a factory class exclusive access to the constructor of a class, or any number of things.

However, this is not the only use of friendship in C++, as there is an additional property to declaring a function or function template a friend: the friend function is now available to be found via Argument-Dependent Lookup (ADL). This is what makes operator overloading work with classes in different namespaces...

C++ Core Guidelines: Iostreams

by Rainer Grimm

When you interact with the outside world, the iostream library is the way to go in C++. As always you have to keep a few rules in mind. Let me show, which rules...

“The STL From Scratch” is back!

by Arthur O’Dwyer

Registrations for CppCon 2019 are open, and so are registrations for my two-day pre-conference class, “The STL from Scratch.”...

C++ 2019 - The state of Developer Ecosystem in 2019 Infographic

by Jet Brains

People continue to adopt the new C++ standards. The usage of C++17 has grown by 10 percentage points since last year...