{"id":9837,"date":"2024-04-04T13:35:50","date_gmt":"2024-04-04T04:35:50","guid":{"rendered":"https:\/\/yumishin.com\/?p=9837"},"modified":"2024-04-04T13:37:15","modified_gmt":"2024-04-04T04:37:15","slug":"%e5%88%9d%e6%9c%9f%e5%80%a4%e3%82%92%e6%8c%81%e3%81%a3%e3%81%9f%e3%83%8f%e3%83%83%e3%82%b7%e3%83%a5%e3%82%92%e4%bd%9c%e3%82%8a%e3%81%9f%e3%81%84%e6%99%82","status":"publish","type":"post","link":"https:\/\/yumishin.com\/?p=9837","title":{"rendered":"\u521d\u671f\u5024\u3092\u6301\u3063\u305f\u30cf\u30c3\u30b7\u30e5\u3092\u4f5c\u308a\u305f\u3044\u6642"},"content":{"rendered":"<p>\u7af6\u30d7\u30ed\u30672\u56de\u9023\u7d9a\u9593\u9055\u3048\u3066\u3001\u30ec\u30fc\u30c8\u3092\u843d\u3068\u3057\u3066\u30b7\u30e7\u30c3\u30af\u306a\u3001\u79c1\u3067\u3059\u3002<\/p>\n<p>\u3055\u3066\u3001\u4eca\u56de\u306f\u521d\u671f\u5024\u3092\u6301\u3063\u305f\u30cf\u30c3\u30b7\u30e5\u3092\u4f5c\u308a\u305f\u3044\u6642\u306e\u3084\u308a\u65b9\u306b\u3064\u3044\u3066\u3067\u3059\u3002<\/p>\n<p>\u7d50\u8ad6\u3001Hash.new(\u2018\u521d\u671f\u5024\u2019)\u3092\u4f7f\u3044\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):019&gt; hash = Hash.new(0) # \u521d\u671f\u5024\u30920\u3067hash\u3092\u4f5c\u308b\u3088\u3046\u306b\u3059\u308b\n=&gt; {}\nirb(main):020&gt; hash[:num] += 2 # \u521d\u671f\u5024\u306e0\u306b\u305d\u306e\u307e\u307e\u5024\u3092\u8db3\u3057\u3066\u304f\u308c\u308b\uff01\u4fbf\u5229\uff01\n=&gt; 2\nirb(main):021&gt; hash\n=&gt; {:num=&gt;2}\nirb(main):022&gt; hash[:string] += 'string' # \u521d\u671f\u5024\u304c0\u306a\u306e\u3067\u3001\u6587\u5b57\u5217\u306f\u8db3\u305b\u306a\u3044\u3068\u306eerror\n(irb):22:in `+': String can't be coerced into Integer (TypeError)\n\tfrom (irb):22:in `<\/code><\/pre>\n<\/div>\n<p>\u7af6\u30d7\u30ed\u3067\u306f\u521d\u671f\u5024\u304c\u5165\u3063\u3066\u304f\u308c\u3066\u3044\u308b\u3068\u5b09\u3057\u3044\u30d1\u30bf\u30fc\u30f3\u591a\u3044\u3067\u3059\u3002<\/p>\n<p>\u3067\u306f\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7af6\u30d7\u30ed\u30672\u56de\u9023\u7d9a\u9593\u9055\u3048\u3066\u3001\u30ec\u30fc\u30c8\u3092\u843d\u3068\u3057\u3066\u30b7\u30e7\u30c3\u30af\u306a\u3001\u79c1\u3067\u3059\u3002 \u3055\u3066\u3001\u4eca\u56de\u306f\u521d\u671f\u5024\u3092\u6301\u3063\u305f\u30cf\u30c3\u30b7\u30e5\u3092\u4f5c\u308a\u305f\u3044\u6642\u306e\u3084\u308a\u65b9\u306b\u3064\u3044\u3066\u3067\u3059\u3002 \u7d50\u8ad6\u3001Hash.new(\u2018\u521d\u671f\u5024\u2019)\u3092\u4f7f\u3044\u307e\u3059\u3002 \u7af6\u30d7\u30ed\u3067\u306f\u521d\u671f\u5024\u304c\u5165\u3063\u3066\u304f\u308c\u3066\u3044\u308b\u3068 &#8230; <\/p>\n","protected":false},"author":1,"featured_media":9838,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[256],"tags":[],"class_list":{"0":"post-9837","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-it","8":"entry"},"_links":{"self":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/9837","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=9837"}],"version-history":[{"count":3,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/9837\/revisions"}],"predecessor-version":[{"id":9840,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/9837\/revisions\/9840"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/media\/9838"}],"wp:attachment":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}