{"description":"\u3067\u3001\u6b21\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u307e\u3067\u3060\u3051\u6e21\u3057\u305f\u3044\u306e\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3060\u3051\u3058\u3083\u306a\u304f\u4fdd\u5b58\u3055\u308c\u308b\u524d\u306e\u30e2\u30c7\u30eb\u306eattributes\u306a\u3093\u304b\u3082\u3042\u308a\u307e\u3059\u3002\u3067\u3001attributes\u3092flash\u306b\u683c\u7d0d\u3059\u308b\u3068\u3001'singleton can't be dumped' \u3068\u3044\u3046\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002 \u305d\u308c\u306f\u3001BLOB\u306a\u3069\u306e\u30ab\u30e9\u30e0\u306b\u30c7\u30fc\u30bf\u3092\u5165\u308c\u308b\u305f\u3081\u306b\u3001\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3092\u884c\u3046\u3068\u304d\u3067\u3059\u3002 flash[:attrs] = obj.attributes\u3068\u304b\u3057\u3061\u3083\u3046\u3068\u3001flash\u306f\u5b9f\u969b\u306b\u306f\u30bb\u30c3\u30b7\u30e7\u30f3\u4e0a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306a\u306e\u3067\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u3092pstore\u304c\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u3060\u305d\u3046\u3068\u3059\u308b\u969b\u306b\u3001\u4ef6\u306e\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\u3002StringIO\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306fd\u2026","author_url":"https://blog.hatena.ne.jp/akm/","provider_url":"https://hatena.blog","type":"rich","width":"100%","title":" singleton can't be dumped","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fakm.hatenadiary.org%2Fentry%2F20071004%2F1191520120\" title=\" singleton can&#39;t be dumped - akimatter\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2007-10-04 02:48:40","blog_url":"https://akm.hatenadiary.org/","provider_name":"Hatena Blog","blog_title":"akimatter","author_name":"akm","height":"190","url":"https://akm.hatenadiary.org/entry/20071004/1191520120","version":"1.0","image_url":null,"categories":["rails"]}