1likeAPIs are explained with restaurant metaphors far too often and with useful detail far too rarely. Here is what an API really is, how a request works, and what makes one good.
Readable code is not a style preference — it is the difference between a change taking ten minutes and taking a day. Here are the habits that make the biggest difference.
A query that ran in 12 milliseconds on your laptop takes 9 seconds in production. Indexes and query plans explain why — and reading a plan is a skill you can learn in an afternoon.
Cloud bills rarely grow because of one bad decision. They grow through forgotten resources, oversized defaults and data transfer nobody modelled. Here is where to look, in order.
Most breaches are not sophisticated. They come from a short list of well-understood mistakes with well-understood fixes. This is that list, and what to do about each one.
Forced rotation, mandatory symbols and SMS codes were all reasonable once and are now actively counterproductive. Here is what current guidance recommends, and why passkeys change the picture.