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In the past few days I have been doing maintenance on a pet project of mine: a URL shortener. I initially built “4pres” in 2013 as a way of experimenting with the Go programming language. It is a URL shortener, it does one simple thing: it generates a random short URL (prefixed with the domain 4pr.es) for a longer one. Despite its “dumbness”, it served the greater purpose of exposing me to some software engineering problems I had never faced before. [Read More]