{"provider_name":"Hatena Blog","image_url":null,"categories":["Ruby","Rails","\u8a2d\u5b9a"],"published":"2010-06-28 15:36:06","author_name":"clazybone","blog_url":"https://clazybone.hatenadiary.org/","blog_title":"\u5931\u6557\u306f\u7d4c\u9a13\u306e\u8caf\u84c4\u3001\u6210\u529f\u306f\u7d4c\u9a13\u306e\u5f15\u304d\u51fa\u3057","url":"https://clazybone.hatenadiary.org/entry/20100628/1277706966","height":"190","description":"\u30ed\u30b0\u306e\u51fa\u529b\u306f\u3001\u4ee5\u4e0b\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3001\u8a2d\u5b9a\u3055\u308c\u305f\u30ec\u30d9\u30eb\u306b\u5fdc\u3058\u3066\u51fa\u529b\u3067\u304d\u308b\u3002 logger.debug(\"debug\") logger.warn(\"warn\") logger.info(\"info\") logger.error(\"error\") logger.fatal(\"fatal\") \u51fa\u529b\u5148\u306flog\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u3001\u958b\u767a\u74b0\u5883\u3067\u3042\u308c\u3070\u3001log/development.log \u30c6\u30b9\u30c8\u74b0\u5883\u3067\u3042\u308c\u3070\u3001log/test.log \u672c\u756a\u74b0\u5883\u3067\u3042\u308c\u3070\u3001log/production.log\u306b\u51fa\u529b\u3055\u308c\u308b\u3002\u306a\u304a\u3001\u30ed\u30b0\u30ec\u30d9\u30eb\u306e\u8a2d\u5b9a\u306f\u3001config/environments\u306e\u4e2d\u306e\u5404\u7a2e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067 \u4ee5\u4e0b\u3092\u8a2d\u5b9a\u3059\u308c\u3070\u3088\u3044\u3002\uff08\u2026\u2026","version":"1.0","width":"100%","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fclazybone.hatenadiary.org%2Fentry%2F20100628%2F1277706966\" title=\"\u30ed\u30b0\u51fa\u529b - \u5931\u6557\u306f\u7d4c\u9a13\u306e\u8caf\u84c4\u3001\u6210\u529f\u306f\u7d4c\u9a13\u306e\u5f15\u304d\u51fa\u3057\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/clazybone/","type":"rich","title":"\u30ed\u30b0\u51fa\u529b"}