Today I learned / realized / released.

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Extracting submatrices in Eigen (C++). 23 Jun 2021

Whenever I needed to copy a submatrix in Eigen (the matrix library in C++), I would just walk through it with two for loops like it was 1998. BUT recent ex...

Size limits for Twitter card images 14 Jun 2021

I relearned today that if you’re using an image for a Twitter card, the largest that image size can be is 2 MB. (I have some posts from 2018 on Twitter cards...

std::filesystem in c++17 14 Jun 2021

I was thinking that maybe C++ had some support for paths by now … something like Python. And it does, std::filesystem! It is in C++17, and a little funky to...