{"author_url":"https://blog.hatena.ne.jp/sumim/","categories":["OOPL"],"height":"190","published":"2016-07-18 00:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsumim.hatenablog.com%2Fentry%2F20160718%2Fp1\" title=\" \u624b\u7d9a\u304d\u7684\u3067\u5197\u9577\u306a Ruby \u306e\u30b3\u30fc\u30c9\u3092 Squeak/Pharo Smalltalk \u306e\u985e\u4f3c\u6a5f\u80fd\u3092\u6d3b\u7528\u3057\u3066\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u306b\u66f8\u304d\u63db\u3048\u308b - Smalltalk\u306et\u306f\u5c0f\u6587\u5b57\u3067\u3059\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","width":"100%","author_name":"sumim","blog_url":"https://sumim.hatenablog.com/","version":"1.0","provider_url":"https://hatena.blog","title":" \u624b\u7d9a\u304d\u7684\u3067\u5197\u9577\u306a Ruby \u306e\u30b3\u30fc\u30c9\u3092 Squeak/Pharo Smalltalk \u306e\u985e\u4f3c\u6a5f\u80fd\u3092\u6d3b\u7528\u3057\u3066\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u306b\u66f8\u304d\u63db\u3048\u308b","url":"https://sumim.hatenablog.com/entry/20160718/p1","image_url":null,"description":"Ruby\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3067\u30a4\u30b1\u3066\u306a\u3044\u30b3\u30fc\u30c9\u3092\u7f8e\u3057\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a2d\u8a08\u306e\u30b3\u30fc\u30c9\u3078\u6539\u826f\u3059\u308b\u305f\u3081\u306e\u65b9\u6cd5 - \u305d\u306e\uff13 - \u30d9\u30eb\u30ea\u30f3\u306eIT\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u3067\u50cd\u304f\u30b8\u30e3\u30d0\u30fb\u30b6\u30fb\u30cf\u30c3\u30c8\u30ea\u306e\u65e5\u8a18 \u3053\u3093\u306a\u611f\u3058\u306e\u201c\u30a4\u30b1\u3066\u306a\u3044\u201d\u3068\u79f0\u3055\u308c\u308b\u30b3\u30fc\u30c9\u3092\u6539\u5584\u3059\u308b\u8a71\u3002 def total_sales_within_date_range orders_within_range = [] @orders.each do |order| if order.placed_at >= @start_date && order.placed_at <= @end_date orders_within_range << order end\u2026","blog_title":"Smalltalk\u306et\u306f\u5c0f\u6587\u5b57\u3067\u3059","provider_name":"Hatena Blog"}