Modern Databases

I finally understood the point of the so-called NoSQL databases. I have for a long time put them down as a buzzword hype thing, but it turns out there are good technical reasons for them. The hype part is that they’re supposed to replace relational databases. That’s wrong. But they have a purpose.

Let me explain.

Waiting for multiple queues in Python

It is impossible to correctly wait for multiple queues in Python and only consume the first element of any of them.

This came as a big surprise to me. Both because it seems like an operation that should be supported, but also because this never had been a problem in practice.