The purpose of this post is to show and explain a bit more about practical usage of C++ “lambda power”. This time in developing a light, fully functional, fast, and hopefully not that often seen, matrix creation utility. Functional programming style.
GitHub gist is here. The previous post with another very interesting matrix variation is here.
std::apply is used to Invoke a Callable object with a tuple of arguments.
Somehow that statement left me wanting for more. That is one very corralling definition. Continue reading
In case you want to know why is Universally unique identifier incredibly useful for you click on that link. UUID and GUID mean the same “thing”.
In case you need little resilient modern C++ compile-time GUID read on.
Continue readingUTF-8 as we know it today started with (now defunct) OS called “Plan 9“. All is behind that link. UTF-8 is one of the offsprings of that OS. Here is the fascinating PDF from 1992 January: UTF-8-Plan9-paper
With “the other one” , std::array is probably the most useful C++ std lib type. So, let’s use it all the time and everywhere? No can do.
The other day, a C++ student approached me on-line, while he researched some tiny framework of mine. In his own words he”bumped into this problem”. For some reason, he still uses Visual Studio 2017 IDE. Annoyingly he had an image, not a source code, to prove the problem. Sigh.