{"id":9830,"date":"2024-04-02T16:52:09","date_gmt":"2024-04-02T07:52:09","guid":{"rendered":"https:\/\/yumishin.com\/?p=9830"},"modified":"2024-04-02T16:52:09","modified_gmt":"2024-04-02T07:52:09","slug":"hash%e3%81%ae%e3%82%ad%e3%83%bcor%e5%80%a4%e3%82%92%e5%8f%96%e5%be%97%e3%81%97%e3%81%9f%e3%81%84%e6%99%82","status":"publish","type":"post","link":"https:\/\/yumishin.com\/?p=9830","title":{"rendered":"hash\u306e\u30ad\u30fcor\u5024\u3092\u53d6\u5f97\u3057\u305f\u3044\u6642"},"content":{"rendered":"<p>\u7af6\u30d7\u30ed\u3092\u5f15\u304d\u7d9a\u304d\u3084\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>hash\u306e\u64cd\u4f5c\u3092\u5fd8\u308c\u3061\u3083\u3063\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>hash\u306e\u30ad\u30fc\u3068\u5024\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u307e\u3068\u3081\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<div class=\"pre_tag\"><span><i class=\"fa fa-code\"><\/i> \u30b3\u30fc\u30c9<\/span><\/p>\n<pre><code>irb(main):001&gt; hash = {'key': 1} # hash\u3092\u4f5c\u308a\u307e\u3059\n=&gt; {:key=&gt;1}\nirb(main):002&gt; hash.keys # keys\u3067key\u304c\u53d6\u5f97\u3067\u304d\u307e\u3059\n=&gt; [:key]\nirb(main):003&gt; hash.values # values\u3067\u5024\u304c\u53d6\u5f97\u3067\u304d\u307e\u3059\n=&gt; [1]\nirb(main):004&gt; hash = {'key': 1, 'key2': 2} \n=&gt; {:key=&gt;1, :key2=&gt;2}\nirb(main):005&gt; hash.keys # 2\u3064\u306e\u6642\u306f2\u3064\u3001\u305f\u304f\u3055\u3093\u306e\u6642\u306f\u305f\u304f\u3055\u3093\u53d6\u5f97\n=&gt; [:key, :key2]\nirb(main):007&gt; hash.keys.first # \u6b32\u3057\u3044\u3082\u306e\u306f\u6307\u5b9a\u3057\u3066\u53d6\u5f97\u3067\u304d\u307e\u3059\n=&gt; :key\nirb(main):008&gt; hash.values # key\u3068\u540c\u69d8\u306b\u5024\u3082\u5168\u3066\u53d6\u5f97\u3055\u308c\u307e\u3059\n=&gt; [1, 2]\nirb(main):009&gt; hash.values.first\n=&gt; 1<\/code><\/pre>\n<\/div>\n<p>hash\u304c\u64cd\u4f5c\u3067\u304d\u308b\u3068\u7af6\u30d7\u30ed\u3067\u5bfe\u5fdc\u3067\u304d\u308b\u3053\u3068\u3082\u5e83\u304c\u308a\u307e\u3059\u306d\uff01<\/p>\n<p>\u4ee5\u4e0a\u3067\u3059\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7af6\u30d7\u30ed\u3092\u5f15\u304d\u7d9a\u304d\u3084\u3063\u3066\u3044\u307e\u3059\u3002 hash\u306e\u64cd\u4f5c\u3092\u5fd8\u308c\u3061\u3083\u3063\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002 hash\u306e\u30ad\u30fc\u3068\u5024\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u307e\u3068\u3081\u3066\u304a\u304d\u307e\u3059\u3002 hash\u304c\u64cd\u4f5c\u3067\u304d\u308b\u3068\u7af6\u30d7\u30ed\u3067\u5bfe\u5fdc\u3067\u304d\u308b\u3053\u3068\u3082\u5e83\u304c\u308a\u307e\u3059\u306d\uff01 \u4ee5\u4e0a\u3067\u3059\uff01<\/p>\n","protected":false},"author":1,"featured_media":9831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[256],"tags":[],"class_list":["post-9830","post","type-post","status-publish","format-standard","has-post-thumbnail","category-it","entry"],"_links":{"self":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/9830","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9830"}],"version-history":[{"count":1,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/9830\/revisions"}],"predecessor-version":[{"id":9832,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/9830\/revisions\/9832"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/media\/9831"}],"wp:attachment":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9830"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}