Docker4c: portable C++ development environment
Installing everything we need to develop C++ applications can be a lengthy, even painful process. Docker makes it possible to build a development environment once and deploy it everywhere. The […]
Arne Mertz
Rebooting the blog
After several months, even years of not writing a post, I am back and motivated to blog again – and more. My history of blogging When I started blogging in […]
Constexpr FizzBuzz – An Exercise in Compile-Time Calculations
Recently, I have given a workshop about language features introduced in C++14 and C++17. Since a major part of those features includes constexpr things, I gave my trainees the task […]
algorithms and the KISS principle
You’ve probably heard about the rule to prefer standard algorithms over raw for loops. The major reason is that those algorithms say what is happening in the name and encapsulate […]
Cpp On Sea 2019 Trip Report
From February 3rd through February 6th I have been in Folkestone, UK, to visit the first C++ On Sea conference.
The pImpl Idiom
The pImpl idiom is a useful idiom in C++ to reduce compile-time dependencies. Here is a quick overview of what to keep in mind when we implement and use it.
Simple data structures
Keep simple data structures simple! There’s no need for artificial pseudo-encapsulation when all you have is a bunch of data.
std::string is not a Container for Raw Data
Sometimes we need unformatted data, simple byte sequences. At first glance, std::string might be a fitting data structure for that, but it is not.
C++ Quizzes and Trick Questions – Do we Have to Know the Answers?
If you follow some C++ social media accounts you will now and then encounter C++ quizzes and trick questions. Do we need to know the answers to be good C++ […]
Calling C Code from C++ With ‘extern “C”‘
Now and then we have the need to call functionality that was written in C from our C++ programs. For that, we need to use and understand extern “C”.