{"id":8465,"date":"2016-06-20T10:17:06","date_gmt":"2016-06-20T10:17:06","guid":{"rendered":"https:\/\/dev.railscarma.com\/essential-and-useful-ruby-gems-for-rails\/"},"modified":"2021-06-06T12:05:57","modified_gmt":"2021-06-06T12:05:57","slug":"essential-and-useful-ruby-gems-for-rails","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e6%8a%80%e8%a1%93%e8%ab%96%e6%96%87\/essential-and-useful-ruby-gems-for-rails\/","title":{"rendered":"Rails 4 \u5411\u3051\u306e\u5fc5\u9808\u304a\u3088\u3073\u6709\u7528\u306a Ruby Gems"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"8465\" class=\"elementor elementor-8465\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7f19eaf2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7f19eaf2\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-48a02a84\" data-id=\"48a02a84\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2849acaf elementor-widget elementor-widget-text-editor\" data-id=\"2849acaf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p align=\"justify\">Ruby on Rails \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u7fd2\u5f97\u304c\u7c21\u5358\u3067\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30ea\u30ec\u30fc\u30b7\u30e7\u30f3 \u30de\u30c3\u30d1\u30fc\u3084\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306a\u3069\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u3092\u9ad8\u901f\u5316\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u304c\u8c4a\u5bcc\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002 Ruby on Rails \u306f\u3001MVC \u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u7de8\u6210\u3057\u307e\u3059\u3002 Ruby gem \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u958b\u767a\u304c\u306f\u308b\u304b\u306b\u7c21\u5358\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001Ruby \u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4f5c\u6210\u3068\u914d\u5e03\u3092\u5bb9\u6613\u306b\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002<\/p>\nRails 4 \u5411\u3051\u306e\u6700\u9ad8\u306e Ruby on Rails gem \u3092\u3044\u304f\u3064\u304b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002\n\n<strong>\u30ad\u30e3\u30ea\u30a2\u30a6\u30a7\u30fc\u30d6<\/strong>\n<p align=\"justify\">\u3053\u306e gem \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002\u305d\u308c\u3089\u306f\u5225\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002\u3055\u307e\u3056\u307e\u306a ORM\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3001ImageMagick \u3084 GraphicsMagick \u306a\u3069\u306e\u753b\u50cf\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002 CarrierWave \u306f\u30b3\u30fc\u30c9\u3092\u30af\u30ea\u30fc\u30f3\u3067\u518d\u5229\u7528\u53ef\u80fd\u306a\u72b6\u614b\u306b\u4fdd\u3061\u3001\u30c6\u30b9\u30c8\u304c\u7c21\u5358\u3067\u3059\u3002<\/p>\n<strong>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u306b\u306f:<\/strong>\n<blockquote>$ gem \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30ad\u30e3\u30ea\u30a2\u30a6\u30a7\u30fc\u30d6<\/blockquote>\n<strong>Gemfile \u306b\u8ffd\u52a0\u3059\u308b\u306b\u306f:<\/strong>\n<blockquote>\u5b9d\u77f3\u300c\u30ad\u30e3\u30ea\u30a2\u30a6\u30a7\u30fc\u30d6\u300d<\/blockquote>\n<strong>\u30a2\u30c3\u30d7\u30ed\u30fc\u30c0\u30fc\u3092\u751f\u6210\u3059\u308b\u306b\u306f:<\/strong>\n<blockquote>class AvatarUploader &lt; CarrierWave::Uploader::Base storage :file end<\/blockquote>\nabout \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001app\/uploaders\/image_uploader.rb \u306b\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\n\n<strong>\u30b5\u30a4\u30c9\u30ad\u30c3\u30af<\/strong>\n<p align=\"justify\">\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u51e6\u7406\u7528\u306e gem \u306f\u6570\u591a\u304f\u3042\u308a\u307e\u3059\u304c\u3001Sidekiq \u306f\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u3082\u306e\u306e 1 \u3064\u3067\u3001\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u540c\u3058\u30d7\u30ed\u30bb\u30b9\u3067\u540c\u6642\u306b\u30b8\u30e7\u30d6\u3092\u5b9f\u884c\u3057\u3001Resque \u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u3002 Sidekiq \u306f\u3001\u3059\u3050\u306b\u4f7f\u3048\u308b Action Mailer \u306b\u3088\u308b\u30e1\u30fc\u30eb\u306e\u975e\u540c\u671f\u9001\u4fe1\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u4eba\u6c17\u306e\u7406\u7531\u306f API \u306e\u30b7\u30f3\u30d7\u30eb\u3055\u3067\u3059\u3002<\/p>\n\n<blockquote>Gem \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb : gem install sidekiq<\/blockquote>\n<strong>\u5f3e\u4e38<\/strong>\n<p align=\"justify\">Bullet gem \u306f\u3001\u30af\u30a8\u30ea\u306e\u6570\u3092\u6e1b\u3089\u3059\u3053\u3068\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u4e2d\u306b\u30af\u30a8\u30ea\u3092\u76e3\u8996\u3057\u3001\u71b1\u5fc3\u306a\u8aad\u307f\u8fbc\u307f\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u6642\u671f\u3001\u4e0d\u5fc5\u8981\u306a\u71b1\u5fc3\u306a\u8aad\u307f\u8fbc\u307f\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u304a\u3088\u3073\u30ab\u30a6\u30f3\u30bf \u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3092\u901a\u77e5\u3057\u307e\u3059\u3002\u30d9\u30b9\u30c8 \u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306f\u3001\u958b\u767a\u30e2\u30fc\u30c9\u307e\u305f\u306f\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0 \u30e2\u30fc\u30c9\u3067 Bullet \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002 \u3002<\/p>\n<strong>\u30c9\u30ec\u30a4\u30d1\u30fc<\/strong>\n<p align=\"justify\">Draper gem \u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306e\u65b9\u6cd5\u3067\u30d3\u30e5\u30fc \u30ed\u30b8\u30c3\u30af\u3092\u30d0\u30f3\u30c9\u30eb\u3059\u308b\u30c7\u30b3\u30ec\u30fc\u30bf\u30fc\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d3\u30e5\u30fc\u304c\u3088\u308a\u30af\u30ea\u30fc\u30f3\u306b\u306a\u308a\u3001\u30d8\u30eb\u30d1\u30fc\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002 Draper gem \u3092 Gemfile \u306e\u6b21\u306e\u884c\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n<blockquote>\u30b8\u30a7\u30e0\u300c\u30c9\u30ec\u30a4\u30d1\u30fc\u300d\u3001\u300c~&gt; 1.3\u300d<\/blockquote>\n<strong>\u30da\u30fc\u30d1\u30fc\u30c8\u30ec\u30a4\u30eb<\/strong>\n<p align=\"justify\">Paper_trial gem \u306f\u3001\u76e3\u67fb\u306e\u305f\u3081\u306b\u30e2\u30c7\u30eb\u306e\u5909\u66f4\u3092\u8ffd\u8de1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u30e2\u30c7\u30eb\u306e\u5909\u66f4\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u73fe\u5728\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4fdd\u5b58\u3059\u308b\u30b9\u30da\u30fc\u30b9\u3092\u7121\u99c4\u306b\u305b\u305a\u3001PaperTrail \u306f\u5024\u3092 Model Before \u5217\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002\u4ed6\u306e\u76e3\u67fb\u30d7\u30e9\u30b0\u30a4\u30f3\u306f after \u5217\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002 PaperTrail \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u7c21\u5358\u306b\u623b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002PaperTrail \u306f\u3001has_many_through\u3001has_many\u3001\u304a\u3088\u3073 has_one \u306e 3 \u7a2e\u985e\u306e\u95a2\u9023\u4ed8\u3051\u3092\u5fa9\u5143\u3067\u304d\u307e\u3059\u3002<\/p>\nPaper Trial gem \u3092 Gemfile \u306e\u6b21\u306e\u884c\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u306b\u306f:\n<blockquote>\u5b9d\u77f3\u300cpaper_trail\u300d<\/blockquote>\n<strong>\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u7ba1\u7406\u8005<\/strong>\n<p align=\"justify\">\u30a2\u30af\u30c6\u30a3\u30d6\u7ba1\u7406\u8005\u306f Ruby On Rails \u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u3059\u3002\u3053\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u3053\u306e gem \u306f\u9ad8\u5ea6\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u3067\u3059\u3002 <a href=\"https:\/\/www.railscarma.com\/ja\/ruby-on-rails-%e9%96%8b%e7%99%ba%e8%80%85%e3%82%92%e9%9b%87%e3%81%86\/\">\u958b\u767a\u8005<\/a> \u975e\u5e38\u306b\u5c11\u306a\u3044\u52b4\u529b\u3067\u7f8e\u3057\u304f\u30a8\u30ec\u30ac\u30f3\u30c8\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002\u3053\u306e gem \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u306b\u306f\u3001gem \u30d5\u30a1\u30a4\u30eb\u306b\u884c\u3092\u8ffd\u52a0\u3057\u3066 buldle install \u3092\u5b9f\u884c\u3057\u307e\u3059\u3002gem \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u5f8c\u3001\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u3053\u306e gem \u306f Devise \u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u3001\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc\u306f AdminUser \u30e2\u30c7\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n<blockquote>gem &quot;activeadmin&quot; # gem \u30ec\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b g active_admin:install # \u306f AdminUser \u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059<\/blockquote>\n<strong>\u5f37\u529b\u306a\u30d1\u30e9\u30e1\u30fc\u30bf<\/strong>\n<p align=\"justify\">Rails 4 \u3067\u306f\u3001\u30a2\u30d7\u30ea\u306e\u5165\u529b\u5024\u3092\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u306f\u5f37\u529b\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6709\u5bb3\u306a\u60c5\u5831\u3084\u4e0d\u8981\u306a\u60c5\u5831\u3092\u6295\u7a3f\u3059\u308b\u306e\u3092\u9632\u3050\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c64\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\nStrong Parameters gem \u3092 Gemfile \u306e\u6b21\u306e\u884c\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u306b\u306f:\n<blockquote>gem\u300cstrong_parameters\u300d<\/blockquote>\n<strong>\u30a2\u30af\u30bb\u30eb\u00d7\u30ec\u30fc\u30eb<\/strong>\n<p align=\"justify\">axlsx_rails \u306f\u30ec\u30f3\u30c0\u30e9\u30fc\u3068\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 xlsx \u5f62\u5f0f\u3092\u8ffd\u52a0\u3057\u3001.xlsx.axlsx \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u89e3\u6790\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3059\u3079\u3066\u306e Axlsx \u30b3\u30fc\u30c9\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u307e\u305f\u306f\u30e2\u30c7\u30eb\u304b\u3089\u53d6\u308a\u51fa\u3057\u3066\u3001\u30d3\u30e5\u30fc \u30b3\u30fc\u30c9\u304c\u5c5e\u3059\u308b\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u5185\u306b\u914d\u7f6e\u3067\u304d\u307e\u3059\u3002axlsx \u3067\u306f\u3001\u30b9\u30d7\u30ec\u30c3\u30c9\u30b7\u30fc\u30c8\u3092\u521d\u671f\u5316\u3059\u308b\u305f\u3081\u306e 3 \u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n<blockquote>1. xlsx_author (\u6587\u5b57\u5217) \u2013 \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u4f5c\u6210\u8005 2. xlsx_created_at (\u6642\u523b) \u2013 \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7 (\u30c7\u30d5\u30a9\u30eb\u30c8\u306f\u73fe\u5728\u6642\u523b) 3. xlsx_use_shared_strings (\u30d6\u30fc\u30eb\u5024) \u2013 \u3053\u308c\u306f\u3001\u5171\u6709\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u30ef\u30fc\u30af\u30d6\u30c3\u30af\u306b\u6e21\u3055\u308c\u307e\u3059\u3002\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30b7\u30ea\u30a2\u30eb\u5316\u3059\u308b\u3068\u304d\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/blockquote>\n\u601d\u3063\u305f\u3089 <a href=\"https:\/\/www.railscarma.com\/ja\/ruby-on-rails-%e9%96%8b%e7%99%ba%e8%80%85%e3%82%92%e9%9b%87%e3%81%86\/\">RoR<\/a> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u512a\u308c\u305f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002 <a href=\"\/ja\/%e3%81%8a%e5%95%8f%e3%81%84%e5%90%88%e3%82%8f%e3%81%9b\/\">\u79c1\u305f\u3061\u306b\u9023\u7d61\u3057\u3066\u304f\u3060\u3055\u3044<\/a> \u79c1\u305f\u3061\u304c\u3069\u306e\u3088\u3046\u306b\u304a\u624b\u4f1d\u3044\u3067\u304d\u308b\u304b\u3092\u77e5\u308a\u305f\u3044\u306e\u3067\u3059!\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1033bdb4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1033bdb4\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f6b4488\" data-id=\"f6b4488\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5be5689b elementor-widget elementor-widget-heading\" data-id=\"5be5689b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u6700\u65b0\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u8cfc\u8aad\u3059\u308b<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25d02618 elementor-widget elementor-widget-shortcode\" data-id=\"25d02618\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\t\tvar gCaptchaSibWidget;\n                        var onloadSibCallbackInvisible = function () {\n\n                            var element = document.getElementsByClassName('sib-default-btn');\n                            var countInvisible = 0;\n                            var indexArray = [];\n                            jQuery('.sib-default-btn').each(function (index, el) {\n                                if ((jQuery(el).attr('id') == \"invisible\")) {\n                                    indexArray[countInvisible] = index;\n                                    countInvisible++\n                                }\n                            });\n\n                            jQuery('.invi-recaptcha').each(function (index, el) {\n                                grecaptcha.render(element[indexArray[index]], {\n                                    'sitekey': jQuery(el).attr('data-sitekey'),\n                                    'callback': sibVerifyCallback,\n                                });\n                            });\n                        };\n\t\t\t\t\t<\/script>\n\t\t\t\t\t                <script src=\"https:\/\/www.google.com\/recaptcha\/api.js?onload=onloadSibCallbackInvisible&render=explicit\" async defer><\/script>\n\t\t\t\t\n\t\t\t<form id=\"sib_signup_form_1\" method=\"post\" class=\"sib_signup_form\" action=\"\">\n\t\t\t\t<div class=\"sib_loader\" style=\"display:none;\"><img\n\t\t\t\t\t\t\tsrc=\"https:\/\/www.railscarma.com\/wp-includes\/images\/spinner.gif\" alt=\"\u30ed\u30fc\u30c0\"><\/div>\n\t\t\t\t<input type=\"hidden\" name=\"sib_form_action\" value=\"subscribe_form_submit\">\n\t\t\t\t<input type=\"hidden\" name=\"sib_form_id\" value=\"1\">\n                <input type=\"hidden\" name=\"sib_form_alert_notice\" value=\"Please fill out this field\">\n                <input type=\"hidden\" name=\"sib_form_invalid_email_notice\" value=\"Your email address is invalid\">\n                <input type=\"hidden\" name=\"sib_security\" value=\"297ab9f1f5\">\n\t\t\t\t<div class=\"sib_signup_box_inside_1\">\n\t\t\t\t\t<div style=\"\/*display:none*\/\" class=\"sib_msg_disp\">\n\t\t\t\t\t<\/div>\n                                            <div id=\"sib_captcha_invisible\" class=\"invi-recaptcha\" data-sitekey=\"6LdikOAaAAAAAJ6SWrrKVQrtw7TQpQAEnv0HS0G3\"><\/div>\n                    \t\t\t\t\t<p class=\"sib-email-area\">\r\n    <label class=\"sib-email-area\"><\/label>\r\n    <input type=\"email\" class=\"sib-email-area\" name=\"email\" required=\"required\" placeholder=\"\u96fb\u5b50\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\">\r\n<\/p>\r\n<p class=\"sib-NAME-area\">\r\n    <label class=\"sib-NAME-area\"><\/label>\r\n    <input type=\"text\" class=\"sib-NAME-area\" name=\"NAME\" placeholder=\"\u540d\u524d\">\r\n<\/p>\r\n<p>\r\n    <input type=\"submit\" id=\"invisible\" class=\"sib-default-btn\" value=\"\u8cfc\u8aad\u3059\u308b\">\r\n<\/p>\t\t\t\t<\/div>\n\t\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"ja\"\/><\/form>\n\t\t\t<style>\n\t\t\t\tform#sib_signup_form_1 p.sib-alert-message {\n    padding: 6px 12px;\n    margin-bottom: 20px;\n    border: 1px solid transparent;\n    border-radius: 4px;\n    -webkit-box-sizing: border-box;\n    -moz-box-sizing: border-box;\n    box-sizing: border-box;\n}\nform#sib_signup_form_1 p.sib-alert-message-error {\n    background-color: #f2dede;\n    border-color: #ebccd1;\n    color: #a94442;\n}\nform#sib_signup_form_1 p.sib-alert-message-success {\n    background-color: #dff0d8;\n    border-color: #d6e9c6;\n    color: #3c763d;\n}\nform#sib_signup_form_1 p.sib-alert-message-warning {\n    background-color: #fcf8e3;\n    border-color: #faebcc;\n    color: #8a6d3b;\n}\n\t\t\t<\/style>\n\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t  <div class=\"related-post slider\">\r\n        <div class=\"headline\">\u95a2\u9023\u8a18\u4e8b<\/div>\r\n    <div class=\"post-list owl-carousel\">\r\n\r\n            <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"\u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e6%8a%80%e8%a1%93%e8%ab%96%e6%96%87\/%e3%82%ab%e3%83%9f%e3%83%8a%e3%83%aa%e3%82%b8%e3%82%a7%e3%83%a0\/?related_post_from=37277\">\r\n\r\n      <img decoding=\"async\" width=\"800\" height=\"300\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"\u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0\" srcset=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem.jpg 800w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem-300x113.jpg 300w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2023\/04\/kaminari-gem-768x288.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\r\n\r\n    <\/a>\r\n  <\/div>\r\n\r\n  <a class=\"title post_title\"  title=\"\u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e6%8a%80%e8%a1%93%e8%ab%96%e6%96%87\/%e3%82%ab%e3%83%9f%e3%83%8a%e3%83%aa%e3%82%b8%e3%82%a7%e3%83%a0\/?related_post_from=37277\">\r\n        \u30ab\u30df\u30ca\u30ea\u30b8\u30a7\u30e0  <\/a>\r\n\r\n        <\/div>\r\n              <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"\u306a\u305c2026\u5e74\u306bRuby on Rails\u958b\u767a\u8005\u3092\u96c7\u3046\u306e\u304b\uff1f\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%ad%e3%83%bc\/why-to-hire-ruby-on-rails-developers\/?related_post_from=30627\">\r\n\r\n      <img decoding=\"async\" width=\"800\" height=\"300\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2019\/01\/why-to-hire-ruby-on-rails-developers-in-2022.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"2022 \u5e74\u306b Ruby on Rails \u958b\u767a\u8005\u3092\u96c7\u7528\u3059\u308b\u7406\u7531\" srcset=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2019\/01\/why-to-hire-ruby-on-rails-developers-in-2022.jpg 800w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2019\/01\/why-to-hire-ruby-on-rails-developers-in-2022-300x113.jpg 300w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2019\/01\/why-to-hire-ruby-on-rails-developers-in-2022-768x288.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\r\n\r\n    <\/a>\r\n  <\/div>\r\n\r\n  <a class=\"title post_title\"  title=\"\u306a\u305c2026\u5e74\u306bRuby on Rails\u958b\u767a\u8005\u3092\u96c7\u3046\u306e\u304b\uff1f\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%ad%e3%83%bc\/why-to-hire-ruby-on-rails-developers\/?related_post_from=30627\">\r\n        \u306a\u305c2026\u5e74\u306bRuby on Rails\u958b\u767a\u8005\u3092\u96c7\u3046\u306e\u304b\uff1f  <\/a>\r\n\r\n        <\/div>\r\n              <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3051\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u91cd\u8981\u6027\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%ad%e3%83%bc\/%e3%82%a8%e3%83%b3%e3%82%bf%e3%83%bc%e3%83%97%e3%83%a9%e3%82%a4%e3%82%ba%e3%83%bb%e3%82%bd%e3%83%95%e3%83%88%e3%82%a6%e3%82%a7%e3%82%a2%e9%96%8b%e7%99%ba%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e3%82%bd\/?related_post_from=36250\">\r\n\r\n      <img decoding=\"async\" width=\"800\" height=\"300\" src=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/06\/Importance-of-Software-Architecture-in-enterprise-software-development.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3051\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u91cd\u8981\u6027\" srcset=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/06\/Importance-of-Software-Architecture-in-enterprise-software-development.jpg 800w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/06\/Importance-of-Software-Architecture-in-enterprise-software-development-300x113.jpg 300w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2022\/06\/Importance-of-Software-Architecture-in-enterprise-software-development-768x288.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\r\n\r\n    <\/a>\r\n  <\/div>\r\n\r\n  <a class=\"title post_title\"  title=\"\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3051\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u91cd\u8981\u6027\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%ad%e3%83%bc\/%e3%82%a8%e3%83%b3%e3%82%bf%e3%83%bc%e3%83%97%e3%83%a9%e3%82%a4%e3%82%ba%e3%83%bb%e3%82%bd%e3%83%95%e3%83%88%e3%82%a6%e3%82%a7%e3%82%a2%e9%96%8b%e7%99%ba%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e3%82%bd\/?related_post_from=36250\">\r\n        \u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3051\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u91cd\u8981\u6027  <\/a>\r\n\r\n        <\/div>\r\n              <div class=\"item\">\r\n            <div class=\"thumb post_thumb\">\r\n    <a  title=\"Ruby IDE: Ruby on Rails \u958b\u767a\u306b\u6700\u9069\u306a IDE\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%83%ad%e3%83%bc\/ruby-ide-ruby-on-rails-%e9%96%8b%e7%99%ba%e3%81%ab%e6%9c%80%e9%81%a9%e3%81%aa%e3%82%a2%e3%82%a4%e3%83%87%e3%82%a2\/?related_post_from=36125\">\r\n\r\n     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\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u3092\u9ad8\u901f\u5316\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u304c\u8c4a\u5bcc\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002 Ruby on Rails \u306f\u3001MVC \u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u7de8\u6210\u3057\u307e\u3059\u3002 Ruby gem \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u958b\u767a\u304c\u306f\u308b\u304b\u306b\u7c21\u5358\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001Ruby \u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4f5c\u6210\u3068\u914d\u5e03\u3092\u5bb9\u6613\u306b\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002 Rails 4 \u7528\u306e\u6700\u9ad8\u306e Ruby on Rails gem \u3092\u3044\u304f\u3064\u304b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002 CarrierWave \u3053\u306e gem \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002\u305d\u308c\u3089\u306f\u5225\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002\u305d\u308c\u306f\u2026\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/ruby-regex-match-guide-with-examples\/\"> <span class=\"screen-reader-text\">Ruby\u6b63\u898f\u8868\u73fe\u30de\u30c3\u30c1\u30ac\u30a4\u30c9\uff082026\uff09\u4f8b\u4ed8\u304d<\/span> \u3082\u3063\u3068\u8aad\u3080 \"<\/a><\/p>","protected":false},"author":1,"featured_media":31898,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[384],"tags":[],"class_list":["post-8465","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Essential &amp; Useful Ruby Gems for Rails 4<\/title>\n<meta name=\"description\" content=\"Check out some of the best Ruby gems for Rails 4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.railscarma.com\/ja\/\u30d6\u30ed\u30b0\/\u6280\u8853\u8ad6\u6587\/essential-and-useful-ruby-gems-for-rails\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta 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