The relational databases that many software engineers are most familiar with, e.g. Postgres or MySQL, are row-oriented: they store data row-by-row. For a given row, its columns are stored next to each other on disk. This means that fetching all the data from a row is fast.
Read more →Bloom filters are a data structure that can quickly answer whether an element is a member of a set. Because they are probabilistic, they tell you whether an element is maybe in a set, or definitely not in a set.
Read more →In Django models, it’s easy to customize the queryset that’s returned by a model manager. Say that you’re working on a blog, and you have a model that looks something like this:
Read more →I’ve been thinking a lot about engineering values and principles lately, and one that keeps popping up is “use the right tool for the job”. I don’t think it’s a very good principle.
Read more →Today, GitHub published a write-up on a number of CVEs1 in the npm packages tar and @npmcli/arborist. In their own words,