lucascaton

if ARGV.count > 2
  puts 'ERROR - Wrong arguments'
  puts 'Usage: `ruby grid.rb <size> <grid_padding>`'
  exit
end

size         = (ARGV[0] || 10).to_i
grid_padding = (ARGV[1] || 2).to_i

grid = Array.new(size) { Array.new(size) { ['o', ' '].sample } }

lucascaton

#! /bin/bash

mkdir ~/Desktop/nova_pasta
touch ~/Desktop/nova_pasta/primeiro_arquivo.txt
cd ~/Desktop/nova_pasta/
ls -lh
rm primeiro_arquivo.txt
cd ..
rm -rf nova_pasta

lucascaton

#! /bin/bash

# ┌──────────────────────────────────────┐
# │  PostgreSQL database dump generator  |
# | Created by Lucas Caton on 2010-08-14 |
# | Updated by Lucas Caton on 2014-07-25 |
# └──────────────────────────────────────┘

usage() {
  echo "usage: $0 <project_name> <db_name>"

lucascaton

# ...

# Loads custom tasks from `lib/capistrano/tasks' if you have any defined.
Dir.glob('lib/capistrano/tasks/*.rake').each { |r| import r }

lucascaton

# Docs: http://developers.vision6.com.au/

require 'httparty'

url = 'http://www.vision6.com.au/api/jsonrpcserver.php?version=3.0'
api_key = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'

JSON.parse(HTTParty.post(url, headers: { 'Content-Type' => 'application/json' }, body: JSON.dump({
  'method' => 'getSessionInfo', 'params' => [api_key]
})))

lucascaton

a = [1, 2, 3, 4]

a.each_with_index.map do |element, index|
  a.dup.delete_if { |e| e == a[index] }.inject(:*)
end

#=> [24, 12, 8, 6]

lucascaton

def print_line(n, growning:)
  sleep 0.02
  puts '>>' * n

  if growning
    n += 1
    print_line(n, growning: n < 30)
  else
    n -= 1
    print_line(n, growning: n <= 0)

lucascaton

lucascaton

require 'rdoc'
converter = RDoc::Markup::ToMarkdown.new
rdoc = File.read(ARGV[0] || 'README.rdoc')
puts converter.convert(rdoc)

# ruby rdoc2md.rb > README.md
# ruby rdoc2md.rb ABC.rdoc > abc.md

lucascaton

Rails::Generator::Commands::Create.class_eval do
  def template(relative_source, relative_destination, template_options = {})
    file(relative_source, relative_destination, template_options) do |file|
      # Evaluate any assignments in a temporary, throwaway binding.
      vars = template_options[:assigns] || {}
      b    = template_options[:binding] || binding
      # this no longer works, eval throws "undefined local variable or method `vars'" 
      # vars.each { |k, v| eval "#{k} = vars[:#{k}] || vars['#{k}']", b }
      vars.each { |k, v| b.local_variable_set(:"#{k}", v) }