eternal44

# prints line numbers before each line & aligns the ":"

class ListGenerator
  def column_alignment(lines)
    lines.map.with_index(1) do |output, line_number|
      "Line #{number_spacing(lines, line_number)}#{line_number}:"\ # rewrite method calls
      "#{line_spacing(output, lines)}#{output}"                    # rewrite method calls 
    end
  end

eternal44

# doctest: get ternary equivalent when true
# >> ternary(3 > 1,"hello",3)
# => "hello"
# doctest: get ternary equivalent when false
# >> ternary(3 < 1,"hello",3)
# => 3

def ternary(statement, true_result, false_result)
  (true_result if statement == true) ||
  (false_result if statement == false)

eternal44

def addstring(x,y)
  z = x + y 
  return z
end

def putstring(x,y)
  z = x + y 
  puts z
end

eternal44

# doctest: correct output
# >> split_message("Welcome to the forum.\nHere you can learn Ruby.\n"\
#    "Along with other members.\n")
# => ["Line 1: Welcome to the forum.", "Line 2: Here you can learn Ruby.", "Line 3: Along with other members."]

def split_message(message)
  message.split("\n").collect.with_index { |i, j| "Line #{j + 1}: " + i }
end

split_message("Welcome to the forum.\nHere you can learn Ruby.\n"\

eternal44

  def kelvin_to_rankine(value)
    value * 1.8
  end

  def rankine_to_kelvin(value)
    value / 1.8
  end

  def rankine_to_celcius(value)
    value_holder = rankine_to_kelvin(value)

eternal44

# This method generates a multiplication table.
class Table
  def generate_table(x, y='y', z='y')
    # set up parameters for table
    arr2 = arr1 = (1..x).to_a 
    col_size = (arr2[-1] * arr2[-1]).to_s.size

    table = ""
    border = 0
    length = ""

eternal44

# This method generates a multiplication table.

class Table
  def generate_table(
    table_size,
    title = '',
    decoration = ''
  )
    result = ''
    heading = "Times table to #{table_size}\n"

eternal44

def query_leap_year(year)
  year % 400 == 0 || year % 100 != 0 && year % 4 == 0
end

def year_in_minutes(year)
  60 * 24 * (query_leap_year(year) ? 366 : 365)
end

##########
# VERSUS #

eternal44

# doctest: correct century leap year
# >> query_leap_year[400]
# => true
# doctest: false century leap year
# >> query_leap_year[300]
# => false
# doctest: correct normal leap year
# >> query_leap_year[304]
# => true
# doctest: normal year tests false

eternal44

app/models/group.rb
app/group/archive.rb
app/group/membership.rb
...