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• Ruby

• The 14 most important Ruby Resources

• Basic data structures in Ruby (Scalar, Array, Hash)

• Convert String to Number in Ruby

• How to convert a string to UPPERCASE or lowercase in Ruby?

• How to write to file in Ruby

• Open file and read content in Ruby

• Ruby ENV - access the environment variables

• Run only one instance of a Ruby program at the same time - self locking

• Solution: rectangle in Ruby (CLI and STDIN = Standard IO)

• CMOS #8: Lynn 'Cyrin' Conway on Bundler, RubyGems and Ruby Together

• Solution: Number guessing game in Ruby

• Variables and Variable Interpolation in Ruby

• Getting started with Ruby

• Arrays in Ruby

• Analyze Apache log file - count localhost in Ruby

• Count web server hits using Ruby

• Count digits in Ruby

• Iterate over characters of a string in Ruby

• split in Ruby