{"id":22225,"date":"2025-11-04T10:34:38","date_gmt":"2025-11-04T10:34:38","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=22225"},"modified":"2025-11-04T10:34:38","modified_gmt":"2025-11-04T10:34:38","slug":"ruby%e3%81%ae%e9%ad%94%e6%b3%95%ef%bc%9ainstance_eval%e3%81%a8instance_exec%e3%82%92%e4%bd%bf%e3%81%84%e3%81%93%e3%81%aa%e3%81%99-techracho","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/22225\/","title":{"rendered":"Ruby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 | TechRacho"},"content":{"rendered":"\n
Ruby\u306e\u67d4\u8edf\u3055\u3092\u8c61\u5fb4\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306e\u3072\u3068\u3064\u306b\u3001instance_eval\u3068instance_exec\u304c\u3042\u308a\u307e\u3059\u3002 \u300c\u805e\u3044\u305f\u3053\u3068\u3042\u308b\u3051\u3069\u5b9f\u969b\u3069\u3046\u4f7f\u3046\u306e\uff1f\u300d\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7684\u306b\u4f7f\u3063\u3066\u306f\u30de\u30ba\u3044\u306e\u3067\u306f\uff1f\u300d\u3068\u3044\u3046\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Ruby\u306e\u6839\u5e79\u306b\u8fd1\u3044\u3053\u306e2\u3064\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u3001\u300c\u306a\u305c\u4fbf\u5229\u306a\u306e\u304b\u300d\u3092\u3001\u5b9f\u4f8b\u3068\u3068\u3082\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u6587\u5b57\u5217\u3092Ruby\u30b3\u30fc\u30c9\u3068\u3057\u3066\u8a55\u4fa1 Ruby\u3067\u306f eval \u3084 instance_eval\u3092\u4f7f\u3046\u3068\u3001\u6587\u5b57\u5217\u3092Ruby\u30b3\u30fc\u30c9\u3068\u3057\u3066\u8a55\u4fa1\u3067\u304d\u307e\u3059\u3002 source = <<-SOURCE def sample ‘Hello Sample’ end SOURCE eva [\u2026]The post Ruby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 first appeared on TechRacho.
\n
\n
\u5143\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3059\u308b <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Ruby\u306e\u67d4\u8edf\u3055\u3092\u8c61\u5fb4\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306e\u3072\u3068\u3064\u306b\u3001instance_eval\u3068instance_exec\u304c\u3042\u308a\u307e\u3059\u3002 \u300c\u805e\u3044\u305f\u3053\u3068\u3042\u308b\u3051\u3069\u5b9f\u969b\u3069\u3046\u4f7f\u3046\u306e\uff1f\u300d\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7684\u306b\u4f7f\u3063\u3066\u306f\u30de\u30ba\u3044\u306e\u3067\u306f\uff1f\u300d\u3068\u3044\u3046\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067 […]","protected":false},"author":1,"featured_media":22226,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-22225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-tec"],"acf":[],"yoast_head":"\nRuby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 | TechRacho - \u30dd\u30b1\u30b3\u30f3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ruby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 | TechRacho - \u30dd\u30b1\u30b3\u30f3\" \/>\n<meta property=\"og:description\" content=\"Ruby\u306e\u67d4\u8edf\u3055\u3092\u8c61\u5fb4\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306e\u3072\u3068\u3064\u306b\u3001instance_eval\u3068instance_exec\u304c\u3042\u308a\u307e\u3059\u3002 \u300c\u805e\u3044\u305f\u3053\u3068\u3042\u308b\u3051\u3069\u5b9f\u969b\u3069\u3046\u4f7f\u3046\u306e\uff1f\u300d\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7684\u306b\u4f7f\u3063\u3066\u306f\u30de\u30ba\u3044\u306e\u3067\u306f\uff1f\u300d\u3068\u3044\u3046\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120\" \/>\n<meta property=\"og:site_name\" content=\"\u30dd\u30b1\u30b3\u30f3\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-04T10:34:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pokecon.jp\/job\/wp-content\/uploads\/2025\/11\/ruby_magic_instance_eval_instance_exec_eyecatch-min.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"info@pokecon.jp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"info@pokecon.jp\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/techracho.bpsinc.jp\\\/kazz\\\/2025_11_04\\\/154120#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/22225\\\/\"},\"author\":{\"name\":\"info@pokecon.jp\",\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/#\\\/schema\\\/person\\\/16c9f07b1ba984d165d9aee259bda997\"},\"headline\":\"Ruby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 | TechRacho\",\"datePublished\":\"2025-11-04T10:34:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/22225\\\/\"},\"wordCount\":44,\"image\":{\"@id\":\"https:\\\/\\\/techracho.bpsinc.jp\\\/kazz\\\/2025_11_04\\\/154120#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/ruby_magic_instance_eval_instance_exec_eyecatch-min.png\",\"articleSection\":[\"\u4f01\u696d\u30c6\u30c3\u30af\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/22225\\\/\",\"url\":\"https:\\\/\\\/techracho.bpsinc.jp\\\/kazz\\\/2025_11_04\\\/154120\",\"name\":\"Ruby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 | TechRacho - \u30dd\u30b1\u30b3\u30f3\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/techracho.bpsinc.jp\\\/kazz\\\/2025_11_04\\\/154120#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/techracho.bpsinc.jp\\\/kazz\\\/2025_11_04\\\/154120#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/ruby_magic_instance_eval_instance_exec_eyecatch-min.png\",\"datePublished\":\"2025-11-04T10:34:38+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/#\\\/schema\\\/person\\\/16c9f07b1ba984d165d9aee259bda997\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/techracho.bpsinc.jp\\\/kazz\\\/2025_11_04\\\/154120#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/techracho.bpsinc.jp\\\/kazz\\\/2025_11_04\\\/154120\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/techracho.bpsinc.jp\\\/kazz\\\/2025_11_04\\\/154120#primaryimage\",\"url\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/ruby_magic_instance_eval_instance_exec_eyecatch-min.png\",\"contentUrl\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/ruby_magic_instance_eval_instance_exec_eyecatch-min.png\",\"width\":1200,\"height\":720},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/techracho.bpsinc.jp\\\/kazz\\\/2025_11_04\\\/154120#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u30db\u30fc\u30e0\",\"item\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ruby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 | TechRacho\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/#website\",\"url\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/\",\"name\":\"\u30dd\u30b1\u30b3\u30f3\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/#\\\/schema\\\/person\\\/16c9f07b1ba984d165d9aee259bda997\",\"name\":\"info@pokecon.jp\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/2b0549cd9f7907c092ca5fbb283baf72337f235726e4b46fa39ec0b701ac2fe2?s=96&d=wavatar&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/2b0549cd9f7907c092ca5fbb283baf72337f235726e4b46fa39ec0b701ac2fe2?s=96&d=wavatar&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/2b0549cd9f7907c092ca5fbb283baf72337f235726e4b46fa39ec0b701ac2fe2?s=96&d=wavatar&r=g\",\"caption\":\"info@pokecon.jp\"},\"url\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/author\\\/infopokecon-jp\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ruby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 | TechRacho - \u30dd\u30b1\u30b3\u30f3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120","og_locale":"ja_JP","og_type":"article","og_title":"Ruby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 | TechRacho - \u30dd\u30b1\u30b3\u30f3","og_description":"Ruby\u306e\u67d4\u8edf\u3055\u3092\u8c61\u5fb4\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306e\u3072\u3068\u3064\u306b\u3001instance_eval\u3068instance_exec\u304c\u3042\u308a\u307e\u3059\u3002 \u300c\u805e\u3044\u305f\u3053\u3068\u3042\u308b\u3051\u3069\u5b9f\u969b\u3069\u3046\u4f7f\u3046\u306e\uff1f\u300d\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7684\u306b\u4f7f\u3063\u3066\u306f\u30de\u30ba\u3044\u306e\u3067\u306f\uff1f\u300d\u3068\u3044\u3046\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067 […]","og_url":"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120","og_site_name":"\u30dd\u30b1\u30b3\u30f3","article_published_time":"2025-11-04T10:34:38+00:00","og_image":[{"width":1200,"height":720,"url":"https:\/\/pokecon.jp\/job\/wp-content\/uploads\/2025\/11\/ruby_magic_instance_eval_instance_exec_eyecatch-min.png","type":"image\/png"}],"author":"info@pokecon.jp","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"info@pokecon.jp"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120#article","isPartOf":{"@id":"https:\/\/pokecon.jp\/job\/22225\/"},"author":{"name":"info@pokecon.jp","@id":"https:\/\/pokecon.jp\/job\/#\/schema\/person\/16c9f07b1ba984d165d9aee259bda997"},"headline":"Ruby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 | TechRacho","datePublished":"2025-11-04T10:34:38+00:00","mainEntityOfPage":{"@id":"https:\/\/pokecon.jp\/job\/22225\/"},"wordCount":44,"image":{"@id":"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120#primaryimage"},"thumbnailUrl":"https:\/\/pokecon.jp\/job\/wp-content\/uploads\/2025\/11\/ruby_magic_instance_eval_instance_exec_eyecatch-min.png","articleSection":["\u4f01\u696d\u30c6\u30c3\u30af"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/pokecon.jp\/job\/22225\/","url":"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120","name":"Ruby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 | TechRacho - \u30dd\u30b1\u30b3\u30f3","isPartOf":{"@id":"https:\/\/pokecon.jp\/job\/#website"},"primaryImageOfPage":{"@id":"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120#primaryimage"},"image":{"@id":"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120#primaryimage"},"thumbnailUrl":"https:\/\/pokecon.jp\/job\/wp-content\/uploads\/2025\/11\/ruby_magic_instance_eval_instance_exec_eyecatch-min.png","datePublished":"2025-11-04T10:34:38+00:00","author":{"@id":"https:\/\/pokecon.jp\/job\/#\/schema\/person\/16c9f07b1ba984d165d9aee259bda997"},"breadcrumb":{"@id":"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120#primaryimage","url":"https:\/\/pokecon.jp\/job\/wp-content\/uploads\/2025\/11\/ruby_magic_instance_eval_instance_exec_eyecatch-min.png","contentUrl":"https:\/\/pokecon.jp\/job\/wp-content\/uploads\/2025\/11\/ruby_magic_instance_eval_instance_exec_eyecatch-min.png","width":1200,"height":720},{"@type":"BreadcrumbList","@id":"https:\/\/techracho.bpsinc.jp\/kazz\/2025_11_04\/154120#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u30db\u30fc\u30e0","item":"https:\/\/pokecon.jp\/job\/"},{"@type":"ListItem","position":2,"name":"Ruby\u306e\u9b54\u6cd5\uff1ainstance_eval\u3068instance_exec\u3092\u4f7f\u3044\u3053\u306a\u3059 | TechRacho"}]},{"@type":"WebSite","@id":"https:\/\/pokecon.jp\/job\/#website","url":"https:\/\/pokecon.jp\/job\/","name":"\u30dd\u30b1\u30b3\u30f3","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/pokecon.jp\/job\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/pokecon.jp\/job\/#\/schema\/person\/16c9f07b1ba984d165d9aee259bda997","name":"info@pokecon.jp","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/secure.gravatar.com\/avatar\/2b0549cd9f7907c092ca5fbb283baf72337f235726e4b46fa39ec0b701ac2fe2?s=96&d=wavatar&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/2b0549cd9f7907c092ca5fbb283baf72337f235726e4b46fa39ec0b701ac2fe2?s=96&d=wavatar&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/2b0549cd9f7907c092ca5fbb283baf72337f235726e4b46fa39ec0b701ac2fe2?s=96&d=wavatar&r=g","caption":"info@pokecon.jp"},"url":"https:\/\/pokecon.jp\/job\/author\/infopokecon-jp\/"}]}},"_links":{"self":[{"href":"https:\/\/pokecon.jp\/job\/wp-json\/wp\/v2\/posts\/22225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pokecon.jp\/job\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pokecon.jp\/job\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pokecon.jp\/job\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pokecon.jp\/job\/wp-json\/wp\/v2\/comments?post=22225"}],"version-history":[{"count":1,"href":"https:\/\/pokecon.jp\/job\/wp-json\/wp\/v2\/posts\/22225\/revisions"}],"predecessor-version":[{"id":22227,"href":"https:\/\/pokecon.jp\/job\/wp-json\/wp\/v2\/posts\/22225\/revisions\/22227"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pokecon.jp\/job\/wp-json\/wp\/v2\/media\/22226"}],"wp:attachment":[{"href":"https:\/\/pokecon.jp\/job\/wp-json\/wp\/v2\/media?parent=22225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pokecon.jp\/job\/wp-json\/wp\/v2\/categories?post=22225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pokecon.jp\/job\/wp-json\/wp\/v2\/tags?post=22225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}