The Cost of a Dream Train Trip 20 days

In September 2017, I spent 30 days traveling by train, ferry, and bus from Dublin, Ireland to Shanghai, China. During this trip, I traveled across 13 countries.

Making sense with Ruby's 6 months

Maybe I am missing the point, but is 'IF !' or 'IF NOT' really so hard to read that it deserves another keyword? This seems like the very definition of 'syntactic sugar'. I am not sure if meaningless variation between programming languag...