Just for kicks I thought I would take another shot at some Haskell programming. To get all of the common libraries and the automated package installer, cabal, I set up the Haskell Platform. Here is how I did it. …

CouchDB is a document-oriented database. It has no rows or tables. Instead CouchDB is a collection of JSON documents. It uses a map-reduce pattern to index data. Queries in CouchDB pull data from what are essentially stored procedures called views. A view is made up of a map function and optionally a reduce function. Ninety percent of the time all you need is the map function, so I will focus on map-only views here. …