{"id":9842,"date":"2024-04-06T04:45:02","date_gmt":"2024-04-05T19:45:02","guid":{"rendered":"https:\/\/yumishin.com\/?p=9842"},"modified":"2024-04-06T04:45:02","modified_gmt":"2024-04-05T19:45:02","slug":"ruby%e3%81%a7%e5%b9%b3%e6%96%b9%e6%a0%b9%e3%82%92%e6%b1%82%e3%82%81%e3%81%9f%e3%81%84%e6%99%82","status":"publish","type":"post","link":"https:\/\/yumishin.com\/?p=9842","title":{"rendered":"Ruby\u3067\u5e73\u65b9\u6839\u3092\u6c42\u3081\u305f\u3044\u6642"},"content":{"rendered":"<p>\u7af6\u30d7\u30ed\u3092\u5f15\u304d\u7d9a\u304d\u3084\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u52d9\u3067\u306f\u5168\u304f\u304a\u76ee\u306b\u304b\u304b\u3063\u305f\u3053\u3068\u304c\u306a\u3044\u3001\u5e73\u65b9\u6839\u306e\u53d6\u308a\u65b9\u3092\u5099\u5fd8\u9332\u7684\u306b\u66f8\u3044\u3066\u304a\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u7d50\u8ad6\u306fMath.sqrt()\u3067\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; Math.sqrt(25) # \u5e73\u65b9\u6839\u3068\u3063\u3066\u304f\u308c\u307e\u3059\n=&gt; 5.0\nirb(main):002&gt; Math.sqrt(26)\u3000# \u7dba\u9e97\u306b\u6574\u6570\u3067\u51fa\u306a\u3044\u3082\u306e\u3082\u9811\u5f35\u3063\u3066\u304f\u308c\u307e\u3059\n=&gt; 5.0990195135927845\nirb(main):003&gt; Math.sqrt(100)\n=&gt; 10.0\nirb(main):004&gt; Math.sqrt(100).to_i # \u4e38\u3081\u305f\u3044\u6642\u306fto_i\n=&gt; 10\nirb(main):005&gt; Math.sqrt(100).floor # or floor\u3068\u304b\n=&gt; 10\n<\/code><\/pre>\n<\/div>\n<p>\u3061\u306a\u307f\u306b\u3001sqrt\u3068\u306fsquare root\u306e\u7565\u307f\u305f\u3044\u3067\u3059\u3002<\/p>\n<p>\u3067\u306f\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7af6\u30d7\u30ed\u3092\u5f15\u304d\u7d9a\u304d\u3084\u3063\u3066\u3044\u307e\u3059\u3002 \u5b9f\u52d9\u3067\u306f\u5168\u304f\u304a\u76ee\u306b\u304b\u304b\u3063\u305f\u3053\u3068\u304c\u306a\u3044\u3001\u5e73\u65b9\u6839\u306e\u53d6\u308a\u65b9\u3092\u5099\u5fd8\u9332\u7684\u306b\u66f8\u3044\u3066\u304a\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u7d50\u8ad6\u306fMath.sqrt()\u3067\u3059\u3002 \u3061\u306a\u307f\u306b\u3001sqrt\u3068\u306fsquare root\u306e\u7565\u307f\u305f\u3044\u3067\u3059\u3002 &#8230; <\/p>\n","protected":false},"author":1,"featured_media":9843,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[256],"tags":[],"class_list":{"0":"post-9842","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\/9842","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=9842"}],"version-history":[{"count":1,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/9842\/revisions"}],"predecessor-version":[{"id":9844,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/9842\/revisions\/9844"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/media\/9843"}],"wp:attachment":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9842"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}