{"id":37474,"date":"2023-12-11T10:20:40","date_gmt":"2023-12-11T10:20:40","guid":{"rendered":"https:\/\/www.railscarma.com\/?p=37474"},"modified":"2023-12-11T10:27:20","modified_gmt":"2023-12-11T10:27:20","slug":"ruby-on-rails%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e3%83%87%e3%83%aa%e3%82%b2%e3%83%bc%e3%83%88%e3%81%ae%e7%90%86%e8%a7%a3%e3%81%a8%e6%b4%bb%e7%94%a8-%e5%8c%85%e6%8b%ac%e7%9a%84%e3%81%aa%e3%82%ac","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/ruby-on-rails%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e3%83%87%e3%83%aa%e3%82%b2%e3%83%bc%e3%83%88%e3%81%ae%e7%90%86%e8%a7%a3%e3%81%a8%e6%b4%bb%e7%94%a8-%e5%8c%85%e6%8b%ac%e7%9a%84%e3%81%aa%e3%82%ac\/","title":{"rendered":"Ruby on Rails\u3067Delegate\u3092\u7406\u89e3\u3057\u3001\u6d3b\u7528\u3059\u308b\uff1a\u7dcf\u5408\u30ac\u30a4\u30c9"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"37474\" class=\"elementor elementor-37474\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-118d73e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"118d73e\" 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-2b12642\" data-id=\"2b12642\" 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-ce92bef elementor-widget elementor-widget-text-editor\" data-id=\"ce92bef\" 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><span style=\"font-weight: 400;\">\u30c7\u30ea\u30b2\u30fc\u30c8\u306fRuby on Rails\u958b\u767a\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3001\u52b9\u679c\u7684\u306a\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u53ef\u80fd\u306b\u3057\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u5185\u306e\u6a5f\u80fd\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u307e\u3059\u3002\u521d\u5fc3\u8005\u3067\u3082\u7d4c\u9a13\u8c4a\u5bcc\u306a\u958b\u767a\u8005\u3067\u3082\u3001\u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u7406\u89e3\u3057\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5805\u7262\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u80fd\u529b\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002\u3053\u306e\u5305\u62ec\u7684\u306a\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u6982\u5ff5\u3092\u6398\u308a\u4e0b\u3052\u3001\u305d\u306e\u5229\u70b9\u3092\u63a2\u308a\u3001\u52b9\u679c\u7684\u306a\u6d3b\u7528\u65b9\u6cd5\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><\/p>\n<h2><b>Ruby on Rails\u306eDelegate\u3068\u306f\uff1f<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Ruby on Rails\u3067\u306f\u3001\u30c7\u30ea\u30b2\u30fc\u30c8\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u3055\u307e\u3056\u307e\u306a\u90e8\u5206\u306b\u6a5f\u80fd\u3084\u8cac\u4efb\u3092\u5206\u6563\u3055\u305b\u308b\u306e\u306b\u5f79\u7acb\u3064\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002\u30c7\u30ea\u30b2\u30fc\u30c8\u306f\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u7279\u5b9a\u306e\u30bf\u30b9\u30af\u3092\u4ed6\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u30e1\u30bd\u30c3\u30c9\u306b\u59d4\u8b72\u3057\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30ea\u30b2\u30fc\u30c8\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u6027\u3001\u4fdd\u5b88\u6027\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u6027\u3092\u4fc3\u9032\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><\/p>\n<p><span style=\"font-weight: 400;\">\u30c7\u30ea\u30b2\u30fc\u30c8\u306f \"Don't Repeat Yourself\"\uff08DRY\uff09\u306e\u539f\u5247\u306b\u57fa\u3065\u3044\u3066\u52d5\u4f5c\u3057\u3001\u958b\u767a\u8005\u306f\u30b3\u30fc\u30c9\u3092\u96c6\u4e2d\u7684\u304b\u3064\u7c21\u6f54\u306b\u4fdd\u3064\u3053\u3068\u3067\u3001\u5358\u4e00\u8cac\u4efb\u306e\u539f\u5247\u306b\u5f93\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002Delegate\u306f\u61f8\u5ff5\u4e8b\u9805\u306e\u5206\u96e2\u3092\u53ef\u80fd\u306b\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u306e\u7ba1\u7406\u3068\u62e1\u5f35\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><\/p>\n<h2><b>\u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8<\/b><\/h2>\n<p><b>\u30b3\u30fc\u30c9\u7de8\u6210\uff1a<\/b><span style=\"font-weight: 400;\"> \u30c7\u30ea\u30b2\u30fc\u30c8\u306f\u3001\u95a2\u5fc3\u4e8b\u3092\u5206\u96e2\u3057\u3001\u6a5f\u80fd\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30ea\u30fc\u30f3\u306a\u30b3\u30fc\u30c9\u69cb\u6210\u3092\u4fc3\u9032\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u958b\u767a\u8005\u306f\u5404\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u30e1\u30bd\u30c3\u30c9\u306e\u672c\u8cea\u7684\u306a\u90e8\u5206\u306b\u96c6\u4e2d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3055\u308c\u305f\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><\/p>\n<p><b>\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\uff1a <\/b><span style=\"font-weight: 400;\">\u30bf\u30b9\u30af\u3092\u59d4\u8b72\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3092\u907f\u3051\u3001\u65e2\u5b58\u306e\u6a5f\u80fd\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c7\u30ea\u30b2\u30fc\u30c8\u306b\u3088\u3063\u3066\u3001\u8907\u6570\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u307e\u305f\u304c\u308b\u30b3\u30fc\u30c9\u3092\u518d\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u5197\u9577\u6027\u3092\u6e1b\u3089\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u306e\u52b9\u7387\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><\/p>\n<p><b>\u67d4\u8edf\u6027\u3068\u62e1\u5f35\u6027\uff1a <\/b><span style=\"font-weight: 400;\">\u8cac\u4efb\u3092\u59d4\u8b72\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u67d4\u8edf\u6027\u3001\u9069\u5fdc\u6027\u3001\u62e1\u5f35\u6027\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4ed6\u306e\u90e8\u5206\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u306a\u304f\u6a5f\u80fd\u3092\u5909\u66f4\u3057\u305f\u308a\u62e1\u5f35\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u5bb9\u6613\u306b\u306a\u308a\u3001Rails\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4fca\u654f\u6027\u3068\u4fdd\u5b88\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><\/p>\n<h2><b>Ruby on Rails\u3067Delegate\u3092\u5b9f\u88c5\u3059\u308b<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u30c7\u30ea\u30b2\u30fc\u30c8\u304c\u5b9f\u969b\u306b\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3092\u3088\u308a\u3088\u304f\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u5b9f\u969b\u306e\u4f8b\u3092\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002User\u30e2\u30c7\u30eb\u3068\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308bProfile\u30e2\u30c7\u30eb\u304c\u3042\u308b\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002User\u30e2\u30c7\u30eb\u306f\u30e6\u30fc\u30b6\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u683c\u7d0d\u3057\u3001Profile\u30e2\u30c7\u30eb\u306f\u30e6\u30fc\u30b6\u306e\u7d4c\u6b74\u3001\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u753b\u50cf\u3001\u30bd\u30fc\u30b7\u30e3\u30eb\u30e1\u30c7\u30a3\u30a2\u30cf\u30f3\u30c9\u30eb\u306a\u3069\u306e\u8ffd\u52a0\u60c5\u5831\u3092\u683c\u7d0d\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><\/p>\n<p><span style=\"font-weight: 400;\">\u30e6\u30fc\u30b6\u30fc\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u8a73\u7d30\u3092\u51e6\u7406\u3059\u308b\u8cac\u4efb\u3092Profile\u30e2\u30c7\u30eb\u306b\u59d4\u8b72\u3059\u308b\u306b\u306f\u3001\u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u4f7f\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u305d\u306e\u5b9f\u88c5\u65b9\u6cd5\u3067\u3059\uff1a<\/span><\/p>\n<p><\/p>\n<pre><span style=\"font-weight: 400;\">\u30af\u30e9\u30b9 User &lt; ApplicationRecord<br><\/span><span style=\"font-weight: 400;\">&nbsp;&nbsp;has_one :\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<br><\/span><span style=\"font-weight: 400;\">&nbsp;&nbsp;<br><\/span><span style=\"font-weight: 400;\">&nbsp;&nbsp;bio\u3001:profile_picture\u3092\u59d4\u8b72\u3059\u308b\uff1a\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb<br><\/span><span style=\"font-weight: 400;\">\u7d42\u308f\u308a<br><\/span><span style=\"font-weight: 400;\">\u30af\u30e9\u30b9 Profile &lt; ApplicationRecord<br><\/span><span style=\"font-weight: 400;\">&nbsp;&nbsp;\u6240\u5c5e :\u30e6\u30fc\u30b6\u30fc<br><\/span><span style=\"font-weight: 400;\">\u7d42\u308f\u308a<\/span><\/pre>\n<p><\/p>\n<p><span style=\"font-weight: 400;\">\u4e0a\u306e\u4f8b\u3067\u306f\u3001has_one\u3068belongs_to\u3092\u4f7f\u3063\u3066\u3001User\u30e2\u30c7\u30eb\u3068Profile\u30e2\u30c7\u30eb\u306e\u9593\u306b\u4e00\u5bfe\u4e00\u306e\u95a2\u9023\u4ed8\u3051\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001delegate\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3001bio\u5c5e\u6027\u3068profile_picture\u5c5e\u6027\u3092Profile\u30e2\u30c7\u30eb\u306b\u59d4\u8b72\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001user.profile.bio\u3084user.profile.profile_picture\u3092\u660e\u793a\u7684\u306b\u547c\u3073\u51fa\u3055\u306a\u304f\u3066\u3082\u3001User\u30e2\u30c7\u30eb\u4e0a\u3067\u76f4\u63a5\u3053\u308c\u3089\u306e\u5c5e\u6027\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><\/p>\n<p><span style=\"font-weight: 400;\">\u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306f\u3088\u308a\u8868\u73fe\u529b\u8c4a\u304b\u306b\u306a\u308a\u3001\u7c21\u6f54\u306b\u306a\u308a\u3001\u5404\u30e2\u30c7\u30eb\u306e\u7279\u5b9a\u306e\u8cac\u52d9\u306b\u96c6\u4e2d\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u95a2\u9023\u3059\u308b\u5c5e\u6027\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u5358\u7d14\u5316\u3057\u3001\u53ef\u8aad\u6027\u3092\u9ad8\u3081\u3001\u6f5c\u5728\u7684\u306a\u30a8\u30e9\u30fc\u3092\u6e1b\u3089\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><\/p>\n<h2><b>\u7d50\u8ad6<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u30c7\u30ea\u30b2\u30fc\u30c8\u306fRuby on Rails\u306b\u304a\u3051\u308b\u5f37\u529b\u306a\u62bd\u8c61\u5316\u30c4\u30fc\u30eb\u3067\u3042\u308a\u3001\u52b9\u679c\u7684\u306a\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30b3\u30fc\u30c9\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u6982\u5ff5\u3068\u5229\u70b9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u3042\u306a\u305f\u306eRuby on Rails\u3092\u6b21\u306e\u3088\u3046\u306b\u5909\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <a href=\"https:\/\/www.railscarma.com\/ja\/%e3%82%ab%e3%82%b9%e3%82%bf%e3%83%a0%e3%83%ac%e3%83%bc%e3%83%ab%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e9%96%8b%e7%99%ba\/\">Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/a> \u3092\u52b9\u7387\u7684\u3067\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3055\u308c\u305f\u4fdd\u5b88\u53ef\u80fd\u306a\u30b7\u30b9\u30c6\u30e0\u306b\u5909\u63db\u3059\u308b\u3002<\/span><\/p>\n<p><\/p>\n<p><span style=\"font-weight: 400;\">\u3053\u306e\u5305\u62ec\u7684\u306a\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30c7\u30ec\u30b2\u30fc\u30c8\u306e\u57fa\u672c\u7684\u306a\u8003\u3048\u65b9\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u306e\u6709\u7528\u6027\u3092\u63a2\u3063\u305f\u3002 <a href=\"https:\/\/www.railscarma.com\/ja\/\">Rails\u958b\u767a<\/a>.\u30b3\u30fc\u30c9\u306e\u6574\u7406\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u3001\u67d4\u8edf\u6027\u306a\u3069\u3001\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u5229\u70b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001User-Profile\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u306b\u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u5b9f\u88c5\u3059\u308b\u5b9f\u8df5\u7684\u306a\u4f8b\u3092\u63d0\u4f9b\u3057\u3001\u6a5f\u80fd\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u306b\u304a\u3051\u308b\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u6709\u52b9\u6027\u3092\u793a\u3057\u307e\u3057\u305f\u3002<\/span><\/p>\n<p><\/p>\n<p><span style=\"font-weight: 400;\">\u30c7\u30ec\u30b2\u30fc\u30c8\u3068\u305d\u306e\u5fdc\u7528\u3092\u3057\u3063\u304b\u308a\u3068\u628a\u63e1\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3057\u3001\u4ee5\u4e0b\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 <a href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%9d%e3%83%bc%e3%83%88%e3%83%95%e3%82%a9%e3%83%aa%e3%82%aa\/\">Ruby on Rails\u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/a> \u305d\u3057\u3066\u3001\u3042\u306a\u305f\u306e\u958b\u767a\u30b9\u30ad\u30eb\u3092\u9ad8\u3081\u3066\u304f\u3060\u3055\u3044\u3002\u30cf\u30c3\u30d4\u30fc\u30fb\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\uff01<\/span><\/p>\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<\/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            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alt=\"\u30eb\u30d3\u30fc\u6b63\u898f\u8868\u73fe\u30de\u30c3\u30c1\" srcset=\"https:\/\/www.railscarma.com\/wp-content\/uploads\/2026\/04\/Ruby-Regex-Match-Guide-with-Examples.png 800w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2026\/04\/Ruby-Regex-Match-Guide-with-Examples-300x113.png 300w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2026\/04\/Ruby-Regex-Match-Guide-with-Examples-768x288.png 768w, https:\/\/www.railscarma.com\/wp-content\/uploads\/2026\/04\/Ruby-Regex-Match-Guide-with-Examples-18x7.png 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\r\n\r\n    <\/a>\r\n  <\/div>\r\n\r\n  <a class=\"title post_title\"  title=\"Ruby\u6b63\u898f\u8868\u73fe\u30de\u30c3\u30c1\u30ac\u30a4\u30c9\uff082026\uff09\u4f8b\u4ed8\u304d\" href=\"https:\/\/www.railscarma.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/ruby-regex-match-guide-with-examples\/?related_post_from=41249\">\r\n        Ruby\u6b63\u898f\u8868\u73fe\u30de\u30c3\u30c1\u30ac\u30a4\u30c9\uff082026\uff09\u4f8b\u4ed8\u304d  <\/a>\r\n\r\n        <\/div>\r\n      \r\n  <\/div>\r\n\r\n  <script>\r\n      <\/script>\r\n  <style>\r\n    .related-post {}\r\n\r\n    .related-post .post-list {\r\n      text-align: left;\r\n          }\r\n\r\n    .related-post .post-list .item {\r\n      margin: 10px;\r\n      padding: 10px;\r\n          }\r\n\r\n    .related-post .headline {\r\n      font-size: 14px !important;\r\n      color: #999999 !important;\r\n          }\r\n\r\n    .related-post .post-list .item .post_thumb {\r\n      max-height: 220px;\r\n      margin: 10px 0px;\r\n      padding: 0px;\r\n      display: block;\r\n          }\r\n\r\n    .related-post .post-list .item .post_title {\r\n      font-size: 14px;\r\n      color: #000000;\r\n      margin: 10px 0px;\r\n      padding: 0px;\r\n      display: block;\r\n      text-decoration: none;\r\n          }\r\n\r\n    .related-post .post-list .item .post_excerpt 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Whether you are a beginner or an experienced developer, understanding and leveraging delegates can greatly enhance your ability to build robust and maintainable Rails applications. In this comprehensive guide, we will delve into the concepts of delegates, explore their benefits, and provide examples of how to utilize them effectively. What are Delegates in Ruby on Rails? In Ruby on Rails, delegates are objects that help distribute functionality and responsibilities among different parts of an application. They act as intermediaries, delegating specific tasks to other objects and methods. By doing so, delegates &hellip;<\/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":5,"featured_media":37481,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1224],"tags":[],"class_list":["post-37474","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Understanding and Utilizing Delegates in Ruby on Rails - RailsCarma<\/title>\n<meta name=\"description\" content=\"Learn how to effectively utilize delegates in Ruby on Rails for a more efficient and organized codebase and enhance your Rails application.\" \/>\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\/ruby-on-rails\u306b\u304a\u3051\u308b\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u7406\u89e3\u3068\u6d3b\u7528-\u5305\u62ec\u7684\u306a\u30ac\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding and Utilizing Delegates in Ruby on Rails - 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