I'm looking for a functional library with persistent data structures. I only need nested arrays and dictionaries. There are some functional javascript libraries, but they are not geared towar...

I'm having troubles with the following problem Given N x S grid and m segments parallel to the horizontal axis (all of them are tuples (x', x'', y)), answer Q online queries of form (x', x''). T...

I want to create a web application with a model that persists between HTTP requests. From what I understand languages like PHP treat each HTTP request as a brand new connection except for some glob...