Sam's visual tutorials are as good as ever (doggos are very important, by the way).

And if you want to try some code, I've prepared three toy Bloom filter implementations to accompany the article:

JavaScript: https://codapi.org/embed/?engine=browser&sandbox=javascript&...

Python: https://codapi.org/embed/?sandbox=python&src=gist:e7bde93f98...

Go: https://codapi.org/embed/?sandbox=go&src=gist:e7bde93f98c5e4...