{"author_name":"masanolinks","categories":["ruby","JavaScript"],"width":"100%","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmasavo.jp%2Fentry%2F2020%2F11%2F01%2F171712\" title=\"\u3010Ruby\u3011\u3010JavaScript\u3011\u5076\u6570\u3067+1\u5947\u6570\u3067-1\u306b\u306a\u308b\u95a2\u6570 - masavoid\" 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":"masavoid","published":"2020-11-01 17:17:12","blog_url":"https://masavo.jp/","author_url":"https://blog.hatena.ne.jp/masanolinks/","title":"\u3010Ruby\u3011\u3010JavaScript\u3011\u5076\u6570\u3067+1\u5947\u6570\u3067-1\u306b\u306a\u308b\u95a2\u6570","provider_url":"https://hatena.blog","image_url":null,"type":"rich","url":"https://masavo.jp/entry/2020/11/01/171712","description":"\u30de\u30a4\u30ca\u30b91 , \u30d7\u30e9\u30b91\u306b\u306a\u308b\u6570\u5b66\u306e\u95a2\u6570\u306e\u306a\u3093\u304b\u3063\u3066\u3042\u308b\u3093\u304b\u306d \u3068\u3001\u30e1\u30e2\u306b\u3042\u3063\u3066\u3001\u601d\u3044\u3064\u3044\u305f\u306e\u3067\u51fa\u3057\u305f\u3002 # x\u306f\u6b63\u306e\u6574\u6570\u3068\u3059\u308b f(x)= -1^x function plusMinus(x) { Math.pow(-1, x) } def plus_minus (-1)**x end \u3053\u3046\u3044\u3046\u95a2\u6570\u306a\u3093\u3066\u3044\u3046\u540d\u79f0\u306a\u306e\u304b\u77e5\u3063\u3066\u308b\u65b9\u3044\u305f\u3089\u305c\u3072\u6559\u3048\u3066\u3044\u305f\u3060\u304d\u305f\u3044\u3067\u3059\u306a\u3002","provider_name":"Hatena Blog","height":"190"}