{"author_url":"https://blog.hatena.ne.jp/sonota88/","title":"red-arrow: Arrow::Table\u306e\u30c7\u30fc\u30bf\u3092\u7d44\u307f\u7acb\u3066\u308b","categories":["Ruby"],"blog_title":"memo486","height":"190","author_name":"sonota88","width":"100%","type":"rich","url":"https://memo88.hatenablog.com/entry/2020/08/13/202816","provider_name":"Hatena Blog","published":"2020-08-13 20:28:16","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmemo88.hatenablog.com%2Fentry%2F2020%2F08%2F13%2F202816\" title=\"red-arrow: Arrow::Table\u306e\u30c7\u30fc\u30bf\u3092\u7d44\u307f\u7acb\u3066\u308b - memo486\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"version":"1.0","provider_url":"https://hatena.blog","description":"\u3068\u308a\u3042\u3048\u305a\u6700\u4f4e\u9650\u306e\u6d41\u308c\u304c\u77e5\u308a\u305f\u304b\u3063\u305f\u306e\u3067\u3001int32 \u3060\u3051\u306e\u7c21\u5358\u306a\u30c7\u30fc\u30bf\u3067\u3084\u3063\u3066\u307f\u307e\u3057\u305f\u3002 require \"arrow\" # -------------------------------- # \u52171 \u306e\u30c7\u30fc\u30bf\u3092\u7528\u610f builder = Arrow::Int32ArrayBuilder.new builder.append(1) builder.append(2) array1 = builder.finish p array1 # #<Arrow::Int32Array:0x557fac799a88 ptr=0x557fac442e80 [ # 1, # 2 # ]> # --------\u2026","blog_url":"https://memo88.hatenablog.com/"}