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Sometimes, a programs output will depend on where it is sending that output.
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tmux does one thing and does it well as any unix tool should, but that doesn’t mean you should stop there.
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A journey into requiring files via $PATH and $LOAD_PATH.
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No more maintaining multiple versions of gems for your system Ruby!
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How to write well-behaved data-processing Unix utilities in Ruby.
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Delve deep into stdout, stderr, and pipes plus some neat tricks that you might not know.
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Use CSVKit to parse CSV at the command line.
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Fuzzy select anything.
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Slice and dice your JSON with jq.
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Develop a Rails app in Docker.