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#!/bin/bash

convert() {
  file=$1

  target=${file//.sass/.scss}

  paths_with_file=$(echo $file | tr '/' "\n" | wc -l | tr -d ' ')
  paths_number=$(($paths_with_file - 4)) # app assets stylesheets ... filename.sass

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gem install mysql2 -- --with-mysql-lib=$(brew --prefix)/Cellar/mysql/5.7.35/lib/ --with-mysql-dir=$(brew --prefix)/Cellar/mysql/5.7.35/ --with-mysql-config=$(brew --prefix)/Cellar/mysql/5.7.35/bin/mysql_config --with-mysql-include=$(brew --prefix)/Cellar/mysql/5.7.35/include/

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def country_code_to_flag(country_code)
  code = country_code.to_s.upcase

  return unless code =~ /\A[A-Z]{2}\z/

  code.codepoints.map { |codepoint| (codepoint + 127_397).chr(Encoding::UTF_8) }.join
end

country_code_to_flag("BR")
# => "🇧🇷"

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# frozen_string_literal: true

Rails.application.routes.draw do
  if Rails.env.test?
    namespace :test do
      resource :session, only: :create
    end
  end
end

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sudo chown -R $USER ~/.gnupg
sudo chmod 700 ~/.gnupg
sudo chmod 600 ~/.gnupg/*

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awk -F, 'NR > 1{ print "SET", $0, "true" }' large_data.csv | redis-cli -h redis.amazonaws.com -n 7 --pipe

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Migration

add_column :table_name, :column_name, :decimal, default: 0, precision: 15, scale: 10
add_column :table_name, :column_name, :jsonb, default: {}, null: false
add_column :table_name, :column_name, :string, array: true, default: []

add_foreign_key :table_name, :table_name
add_foreign_key :table_name, :table_name, column: :column_name, name: :index_table_name_on_column_name

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knife cookbook site share 'chef-unicorn' 'Web Servers'

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total_count    = "SELECT COUNT(DISTINCT resource_id) FROM reviews WHERE resource_type = 'Article' AND scopeable_type is NULL"
distinct_count = "SELECT COUNT(1) FROM reviews WHERE resource_type = 'Article' AND scopeable_type is NULL"

Review.find_by_sql("#{distinct_count}").as_json
Review.find_by_sql("#{total_count}").as_json

Review.find_by_sql("SELECT (CAST(0 AS DECIMAL(17, 14)) / 0) count_avg").as_json

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Local

atom /usr/local/etc/varnish/default.vcl
ln -s /usr/local/sbin/varnishd /usr/local/bin/varnishd

Runs