muhammadyana

# handling exception

#======save page into html=======
require 'open-uri'
# web_page = open("http://indoexchanger.co.id/home")
# output = File.open("index.html", "w")
# while line = web_page.gets
#   output.puts line
# end
# output.close

muhammadyana

#thursday-08-2017
#@41studio
#Muhammad Yana Mulyana
#regex in ruby


#Operator =~ membandingkan string yg sama dan menghitung jumlah regex
# p  /cat/ =~ "Dog and cat"
# p /cat/ =~ " ! # cat"
puts /aa/.class

muhammadyana

def cool_dude(arg1="Miles", arg2="Coltrane", arg3="Roach")
  "#{arg1}, #{arg2}, #{arg3}."
end
p cool_dude
p cool_dude("Bart")
p cool_dude("Bart", "Elwood")
p cool_dude("Bart", "Elwood", "Linus")

file = File.size("regex.rb")
p File.size("regex.rb")

muhammadyana

#thursday-08-2017
#@41studio
#Muhammad Yana Mulyana
#mixins in ruby
puts "Enter count of loop "
lp = gets.chomp.to_i
puts "Enter value to calculate "
val = gets.chomp.to_i
num = val
lp.times do

muhammadyana

#thursday-08-2017
#@41studio
#Muhammad Yana Mulyana
#mixins in ruby

puts "Enter Name 1 "
name1 = gets.chomp.to_s
puts "Enter name 2 "
name2 = gets.chomp.to_s
puts "Enyer Name 3 "

muhammadyana

#thursday-08-2017
#@41studio
#Muhammad Yana Mulyana
#inheritance in ruby

class Parent
  def say_hello
    puts "Hello From #{self}"
  end
end

muhammadyana

#
# require_relative 'words_from_string'
# require 'test/unit'
#
# class TestWordsFromString < Test::unit::Testcase
#   def test_empty_string
#     assert_equal(
#     [], words_from_string("")
#     )
#     assert_equal(

muhammadyana

print "Enter parameter = "
var = gets()

class ProcExample
  def pass_in_block(&action)
    @stored_proc = action
  end
  def use_proc(parameter)
    @stored_proc.call(parameter) #call the parameter
  end

muhammadyana

print "Enter value Integer = "
int = gets.chomp.to_i
print "Enter value string = "
string = gets.chomp.to_s

def n_times(thing)
  lambda {
    |n|
    thing * n
  }

muhammadyana

a = [1, 3, "cat"]
b = {
  dog: "ben",
  cat: "tom"
}
enum_a = a.to_enum #untuk
enum_b = b.to_enum

enum_a1 = a.each