{"blog_url":"https://rubytips86.hatenablog.com/","width":"100%","author_url":"https://blog.hatena.ne.jp/rubytips86/","blog_title":"Ruby Tips!","url":"https://rubytips86.hatenablog.com/entry/2014/03/25/141326","provider_name":"Hatena Blog","title":"\u914d\u5217\u306e\u8981\u7d20\u3092\u9023\u7d50\u3057\u3066\u6587\u5b57\u5217\u5316\u3059\u308b","image_url":null,"version":"1.0","author_name":"rubytips86","description":"\u914d\u5217\u306e\u8981\u7d20\u3092\u9023\u7d50\u3057\u3066\u6587\u5b57\u5217\u5316\u3059\u308b\u306b\u306fArray#join\u3092\u4f7f\u3046\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u5358\u306b\u8981\u7d20\u304c\u9023\u7d50\u3055\u308c\u308b\u3002 p ['foo', 'bar', 'buz'].join #=> \"foobarbuz\" Array#join\u306b\u306f\u5f15\u6570\u3067\u30bb\u30d1\u30ec\u30fc\u30bf\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u4f8b\u3048\u3070CSV\u98a8\u306b\u914d\u5217\u3092\u6587\u5b57\u5217\u5316\u3059\u308b\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3059\u308b\u3002 p ['foo', 'bar', 'buz'].join(',') #=> \"foo,bar,buz\" Array#join\u306f\u6587\u5b57\u5217\u3067\u306a\u3044\u8981\u7d20\u306b\u5bfe\u3057\u3066to_s\u3067\u6587\u5b57\u5217\u5316\u3092\u8a66\u307f\u308b\u3002\u3088\u3063\u3066\u4ee5\u4e0b\u3082\u554f\u984c\u306a\u304f\u52d5\u4f5c\u3059\u308b\u3002 p [1, /abc/, :a, Object.new].join(' ')\u2026","provider_url":"https://hatena.blog","type":"rich","height":"190","published":"2014-03-25 14:13:26","categories":[],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frubytips86.hatenablog.com%2Fentry%2F2014%2F03%2F25%2F141326\" title=\"\u914d\u5217\u306e\u8981\u7d20\u3092\u9023\u7d50\u3057\u3066\u6587\u5b57\u5217\u5316\u3059\u308b - Ruby Tips!\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}