{"width":"100%","categories":["Ruby"],"author_name":"round-rand","published":"2026-06-06 00:00:00","blog_url":"https://ml-rand-note.hatenablog.com/","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fml-rand-note.hatenablog.com%2Fentry%2Fruby%2Farray-delete-elements\" title=\"\u3010Ruby\u3011\u914d\u5217 \u524a\u9664\u65b9\u6cd5\u307e\u3068\u3081(delete, shift, pop, compact, reject, select) - \u30e9\u30f3\u30c9ML\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u30e9\u30f3\u30c9ML","image_url":null,"title":"\u3010Ruby\u3011\u914d\u5217 \u524a\u9664\u65b9\u6cd5\u307e\u3068\u3081(delete, shift, pop, compact, reject, select)","author_url":"https://blog.hatena.ne.jp/round-rand/","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","height":"190","type":"rich","url":"https://ml-rand-note.hatenablog.com/entry/ruby/array-delete-elements","description":"delete_at\uff1a\u4f4d\u7f6e\u6307\u5b9a\u3067\u524a\u9664 shift\uff1a\u5148\u982d\u306e\u8981\u7d20\u3092\u524a\u9664 pop\uff1a\u672b\u5c3e\u306e\u8981\u7d20\u3092\u524a\u9664 delete\uff1a\u6307\u5b9a\u3057\u305f\u8981\u7d20\u3092\u524a\u9664 uniq\uff1a\u91cd\u8907\u3057\u305f\u8981\u7d20\u3092\u9664\u53bb compact\uff1anil\u3092\u524a\u9664 reject!(delete_if)\uff1a\u6761\u4ef6\u3092\u6e80\u305f\u3059\u8981\u7d20\u3092\u524a\u9664 select(filter)\uff1a\u6761\u4ef6\u3092\u6e80\u305f\u3059\u8981\u7d20\u3092\u62bd\u51fa \u53c2\u8003 delete_at\uff1a\u4f4d\u7f6e\u6307\u5b9a\u3067\u524a\u9664 delete_at(n) \u3067n\u756a\u76ee\u306e\u8981\u7d20\u3092\u7834\u58ca\u7684\u306b\u524a\u9664\u3057\u307e\u3059\u3002\u8ca0\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6307\u5b9a\u3059\u308c\u3070\u672b\u5c3e\u304b\u3089\u4f4d\u7f6e\u6307\u5b9a\u3082\u53ef\u80fd\u3067\u3059\u3002 array = [\"a\", \"b\", \"c\", \"d\"] # 2\u756a\u76ee\u306e\u8981\u7d20 = c\u3092\u524a\u9664 array.delete_at(2) p ar\u2026"}