Hometask 1

Task 3

@@ -0,0 +1,3 @@
+array1 = ["apple", "onion", "orange"]
+  array2 = ["apple", "onion", "orange", "Sugar"]
+  array1 & array2

Task 8

@@ -0,0 +1,3 @@
+numbers = [45, 3123, 2141, 387, 15463, 6]
+numbers.sort! {|x, y| y <=> x}
+puts numbers

Task5

@@ -0,0 +1,6 @@
+class Home
+     def initialize(color)
+         @color = color
+         end
+     end
+p Home.new(1).method(:initialize).source_location

ruby/Dockerfile

@@ -0,0 +1,15 @@
+FROM ruby:2.6.5
+
+RUN apt-get update && apt-get install -qq -y build-essential git nodejs libpq-dev cmake libgit2-dev pkg-config nano htop wget tar
+
+RUN mkdir /app
+WORKDIR /app
+
+ENV GEM_HOME /bundle
+ENV BUNDLE_PATH /bundle
+RUN gem install bundler --no-document
+RUN bundle config git.allow_insecure true
+COPY Gemfile ./
+COPY Gemfile.lock ./
+
+RUN bundle install

ruby/docker-compose.yml

@@ -0,0 +1,9 @@
+version: '3'
+services:
+  ruby:
+    container_name: ruby
+    build: .
+    volumes:
+      - .:/app:rw
+    tty: true
+    stdin_open: true

task 6

@@ -0,0 +1,22 @@
+class Numbers
+  def sum(number, other)
+    number + other
+  end
+
+  def difference(number, other)
+    number - other
+  end
+
+  def multiplication(number, other)
+    number * other
+  end
+
+  def division(number, other)
+    number / other
+  end
+end
+calculator = Numbers.new
+puts calculator.sum(5, 10)
+puts calculator.difference(5, 10)
+puts calculator.multiplication(5, 10)
+puts calculator.division(5, 10)

n_ew.rb → task 7

@@ -2,5 +2,8 @@ class New
   def task
     myArray = ["stuff", "widget", "ruby", "goodies", "java", "emerald", "etc" ]
     item = myArray[rand(myArray.length)]
+    puts item
   end
-end
+  a = New.new
+  a.task
+end