gem install nokogiri -v '1.10.10' -- --use-system-libraries
brew install libpq
export PATH="/opt/homebrew/opt/libpq/bin:$PATH"
gem install pg
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ssh -L 5432:127.0.0.1:5432 user@machine.name.com
# GEMFILE
# gem 'descriptive_statistics', require: false
# Usage Example
require 'descriptive_statistics/safe'
data = []
data.extend(DescriptiveStatistics)
data.sum