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A Ruby on Rails project will most likely contain large amounts of third party software. Software written by other people can fluctuate greatly in terms of documentation. Even very well documented software might have pieces that are more shrouded than others. When these opaque pieces of code start to cause issue or incite curiosity, spelunking through these libraries is easier with simple patterns and the right tools. 0. Get the Right Tools An important piece of technology when reading code is a ...