Ruby Programming Examples

asdas

ruby

yellow
say yellow
say red

ssss

ruby

a=[1,2,3,4]
puts a

Execute Ruby Online

ruby

class Menu
    attr_accessor :name
    attr_accessor :price
    def initialize(name:, price:)
        self.name = name
        self.price = price
    end
    def info
        return "#{self.name} #{self.price}vnd"
    end
end

class Drink < Menu
    attr_accessor :size
    # initializeメソッドをオーバーライドする
    # nameと priceは superとする
    def initialize(name:, price:, size:)
        super(name: name, price: price)
        self.size = size
    end
    def info
        return "#{self.name} #{self.price}vnd (#{self.size}サイズ)"
    end
end

menu1 = Menu.new(name: "Phở", price: 30000)
menu2 = Menu.new(name: "Bún chả", price: 40000)
menu3 = Menu.new(name: "Bánh mì", price: 20000)

# Drinkの変数を定義してください
drink1 = Drink.new(name: "Coke", price: 20000, size: "M")
drink2 = Drink.new(name: "Pepsi", price: 15000, size: "L")

# 変数menusを定義して配列を代入してください
menus = [menu1, menu2, menu3, drink1, drink2]
index = 0
menus.each do |menu|
    puts "#{index}. #{menu.info}"
    index += 1
end

puts "--------------------------------"
puts "メニューの番号を選択してください"
order = gets.to_i
selected_menu = menus[order]
puts "選択されたメニュー: #{selected_menu.name}" 
puts "お会計は #{selected_menu.price} です "

Total Dollars

ruby

# Hello World Program in Ruby
def total(one,five,ten,twenty, fifty, hundred)
    none = 1 * one
    nfive = 5 * five
    nten = 10 * ten
    ntwenty = 20 * twenty
    nfifty = 50 * fifty
    nhundred = 100 * hundred
    puts none + nfive + nten + ntwenty + nfifty + nhundred
end

total(0, 20, 11, 22, 1, 12)

Test fib

ruby

# Hello World Program in Ruby
# fib(5) = 0,1,1,2,3,5 fib(9) = 0,1,1,2,3,5,8 */  
def fib(num) 
    acc=[]
    (1..num).each do |i|
      acc << 0 if i==1 
      acc << 1 if i==2 
      acc << acc[i-3] + acc[i-2] if i > 2
    end
    acc
end
puts fib(5).join(', ')
puts fib(9).join(', ')

Execute Ruby Online

ruby

4)	Can you vote?

print "Let's check your age: "
age = Integer(gets)

def can_you_vote?(age)
   if age >= 18
    puts "True"  
     else
      puts "False"
   end
end

can_you_vote?(age)
-----------------------------------------------------------------------------
5)	EvenNumber 

print "Choose a number: "
num = gets

def even_number(num)
 for num in 50..90 
  if num.even?   
   puts num
    else ()
  end
end

even_number(num)
-----------------------------------------------------------------------------
6)	Age next year

print "What's your age today ?"
age = gets

def next_year(age)
  puts "Next year I'll be #{age + 1} years old"
end

next_year(age)
-----------------------------------------------------------------------------
7)	Playlist Array

my_array = ["Hotel California", "Bohemian Rhapsody", "Stairway To Heaven"]

print "Your favorite song?"
song = String(gets)

def add_song_to_playlist(song)
    my_array = ["Hotel California", "Bohemian Rhapsody", "Stairway To 
    Heaven"] << song  
    puts my_array
end

add_song_to_playlist(song)

#my_array << song was not working, the other method i put was quicker, there are others possibilities but lack of time.
-----------------------------------------------------------------------------
8) Odd or event ?

print "Choose a number"
num = Integer(gets)

def odd_or_even(num)
    puts "even" if num.even?
    puts "odd" if num.odd?
end

odd_or_even(num)
-----------------------------------------------------------------------------
9) Palindrome Word

print "Write a single word please here : "
word = String(gets)

def palindrome?(word)
  word.downcase!
    unless !word.include? " "
      puts "Write a single word and run again the program !"
       else
        puts "True" if word == word.reverse
         puts "False" if word != word.reverse
    end
end

palindrome?(word)

-----------------------------------------------------------------------------

Execute Ruby Online

ruby

4)	Can you vote?

print "Let's check your age: "
age = Integer(gets)

def can_you_vote?(age)
   if age >= 18
    puts "True"  
     else
      puts "False"
   end
end

can_you_vote?(age)
-----------------------------------------------------------------------------
5)	EvenNumber 

print "Choose a number: "
num = gets

def even_number(num)
 for num in 50..90 
  if num.even?   
   puts num
    else ()
  end
end

even_number(num)
-----------------------------------------------------------------------------
6)	Age next year

print "What's your age today ?"
age = gets

def next_year(age)
  puts "Next year I'll be #{age + 1} years old"
end

next_year(age)
-----------------------------------------------------------------------------
7)	Playlist Array

my_array = ["Hotel California", "Bohemian Rhapsody", "Stairway To Heaven"]

print "Your favorite song?"
song = String(gets.chomp!)

def add_song_to_playlist(song)
    my_array = ["Hotel California", "Bohemian Rhapsody", "Stairway To 
    Heaven"] << song  
    puts my_array
end

add_song_to_playlist(song)

#my_array << song was not working, the other method i put was quicker, there are others possibilities but lack of time.
-----------------------------------------------------------------------------
8) Odd or event ?

print "Choose a number"
num = Integer(gets)

def odd_or_even(num)
    puts "even" if num.even?
    puts "odd" if num.odd?
end

odd_or_even(num)
-----------------------------------------------------------------------------
9) Palindrome Word

print "Write a single word please here : "
word = String(gets)

def palindrome?(word)
  word.downcase!
    unless !word.include? " "
      puts "Write a single word and run again the program !"
       else
        puts "True" if word == word.reverse
         puts "False" if word != word.reverse
    end
end

palindrome?(word)

---------------------------------------------------------------------------------

kurs

ruby

# Hello World Program in Ruby
puts "Hello World!";

DATA.each_line do  |line|
   puts line 
end

__END__
prvni radek
druhy radek

Squash

ruby

hotfix_branch = "hotfix/2.34.1"
release_branch = "release/2.35.0"
master_branch = "master"
feature_branch = "1923-core-something"

def check_branch(source_branch, squash)
    is_release_branch = (/^(release\/)(\d+).(\d+).(\d+)$/.match(source_branch))
    is_hotfix_branch = (/^(hotfix\/)(\d+).(\d+).(\d+)$/.match(source_branch))
    is_master_branch = source_branch == "master"
    
    unless squash || is_release_branch || is_hotfix_branch || is_master_branch 
       puts "failed" 
    else
       puts "passed"
    end
end

puts "Hotfix, squash = true => passed"
check_branch(hotfix_branch, true)

puts "Hotfix, squash = false => passed"
check_branch(hotfix_branch, false)

puts "Release, squash = true => passed"
check_branch(release_branch, true)

puts "Release, squash = true => passed"
check_branch(release_branch, false)

puts "Master, squash = true => passed"
check_branch(master_branch, true)

puts "Master, squash = false => passed"
check_branch(master_branch, false)

puts "Feature, squash = true => passed"
check_branch(feature_branch, true)

puts "Feature, squash = false => failed"
check_branch(feature_branch, false)

Squash

ruby

hotfix_branch = "hotfix/asf"
release_branch = "release/asf"
master_branch = "master"
feature_branch = "1923_core_something"

def check_branch(source_branch, squash)
    is_release_branch = (/^(release\/).*$/.match(source_branch))
    is_hotfix_branch = (/^(hotfix\/).*$/.match(source_branch))
    is_master_branch = source_branch == "master"
   
   
    
    #puts "🏸 Please check the squash option in the merge request settings. Think about our nice changelog 🙏" unless is_release_branch || is_hotfix_branch || is_master_branch || squash
    
    unless squash || is_release_branch || is_hotfix_branch || is_master_branch 
       puts "🏸 Please check the squash option in the merge request settings. Think about our nice changelog 🙏" 
    else
       puts "MR ok!"
    end
end

puts "* Checking hotfix branch with squash"
check_branch(hotfix_branch, true)
puts "* Checking hotfix branch without squash"
check_branch(hotfix_branch, false)

puts "* Checking release branch with squash"
check_branch(release_branch, true)
puts "* Checking release branch without squash"
check_branch(release_branch, false)

puts "* Checking master branch with squash"
check_branch(master_branch, true)
puts "* Checking master branch without squash"
check_branch(master_branch, false)

puts "* Checking feature branch with squash"
check_branch(feature_branch, true)
puts "* Checking feature branch without squash"
check_branch(feature_branch, false)

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