John LhotaBuilding a Ruby CalculatorLast week I explained how to write a “hello world” program in Ruby, and today we’ll be using the language to build a calculator. A…Mar 17, 2022Mar 17, 2022
John LhotaSome notes on blockchainA few years ago, I was a big proponent of blockchain technology. Things have changed a lot since then.Mar 11, 2022Mar 11, 2022
John Lhota“Hello, World” in RubyRuby is an interpreted programming language developed in the 1990s by Yukihiro Matsumato (or “Matz”). I’ve had to use Ruby for work in the…Mar 10, 2022Mar 10, 2022