RailsTutorial学習#2 第2章 Toyアプリケーション
第2章 Toyアプリケーション 第2章Toyアプリケーション 2.1 アプリケーションの計画 $ cd ~/environment $ rails _5.1.6_ new toy_app $ c...
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RailsTutorial学習#1 第１章 ゼロからデプロイまで
Railsの学習記録をQiitaに残し、備忘録とする。 第1章ゼロからデプロイまで 第2章Toyアプリケーション 第3章ほぼ静的なページの作成 第4章Rails風味のRuby 第5章レイアウトを...
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Windows10 でUSBブートする方法
●参考記事 https://freesoft.tvbok.com/win10/access_uefi_bios_setup.html Win10スタートボタン→設定→更新とセキュリティ 回復→今...
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Ruby学習#35 Interactive Ruby (irb)
irb def sayhi puts "hello" end sayhi num = 123 puts 123
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Ruby学習#34 Modules
useful_tools.rb module Tools def sayhi(name) puts "hello #{name}" end def saybye(name) puts "bye ...
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Ruby学習#33 Inheritance
class Chef def make_chicken puts "The chef makes chicken" end def make_salad puts "The chef makes...
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Ruby学習#32 Building a Quiz
class Question attr_acessor :prompt, :answer def initialize(prompt, answer) @prompt = prompt @ans...
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Ruby学習#31 Object Methods
class student attr_accessor :name, :major, :gpa def initalize(name,major,gpa) @name = name @major...
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Ruby学習#30 Initialize Method
class Book attr_accessor :title, :author, :pages def initialize(title, author, pages) @title = ti...
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Ruby学習#29 Classes & Objects
class Book attr_accessor :title, :author, :pages end book1 Book.new() book1.title = "Harry Potter...
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Ruby学習#28 Handling Errors
lucky_nums = [4,8,15,16,23.42] lucky_nums["dog"] into Integer(Typeerror) begin num = 10 / 0 rescu...
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Ruby学習#27 Writing Files
Jim, Sales Andy, Sales Kelly, Customer Service Creed, Quality Assurance Michaes, Manager stack ov...
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Ruby学習#26 Reading Files
employees.txt Jim, Sales Andy, Sales Kelly, Customer Service Creed, Quality Assurance Michaes, Ma...
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Ruby学習#25 Comments
シャープで書いた後ろがコメントになる。 sadsadadsdadada puts "Comments are fun" =begin afdafsfs asfsdfsf =end
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Ruby学習#24 Exponent Method
def pow(base_num, pow_num) result = 1 pow_num.times do |index| result = result * base_num end ret...
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Ruby学習#23 For Loops
friends =["Kevin","Karen","Oscar","Angela","Andy"] for friend in friends puts friend end Kevin Ka...
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Ruby学習#22 Building a Guessing Game
secret_word = "giraffe" guess ="" while guess != secret_word puts "Enter guess: " guess = gets.ch...
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Ruby学習#21 While Loops
index = 1 while index <= 5 puts index index += 1 end 1 2 3 4 5
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Ruby学習#20 Case Expressions
def get_day_name(day) day_name = "" case day when "mon" day_name = "Monday" when "tue" day_name =...
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Ruby学習#19 Building a Better Calculator
puts "Enter first number: " num1 = gets.chomp().to_f puts "Enter operator: " op = gets.chomp() pu...
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