{"title":"Python\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306e\u305f\u3081\u306eCommon Lisp\u30b3\u30fc\u30c9\u89e3\u8aac 06","blog_title":"ypooo\u2019s diary","provider_name":"Hatena Blog","url":"https://ypooo.hatenablog.com/entry/2026/04/25/054154","provider_url":"https://hatena.blog","categories":["LISP","\u95a2\u6570\u578b"],"width":"100%","version":"1.0","type":"rich","height":"190","blog_url":"https://ypooo.hatenablog.com/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/y/ypooo/20260425/20260425055449.jpg","author_url":"https://blog.hatena.ne.jp/ypooo/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fypooo.hatenablog.com%2Fentry%2F2026%2F04%2F25%2F054154\" title=\"Python\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306e\u305f\u3081\u306eCommon Lisp\u30b3\u30fc\u30c9\u89e3\u8aac 06 - ypooo\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"ypooo","published":"2026-04-25 05:41:54","description":"6. fetch-html \u95a2\u6570 ypooo.hatenablog.com (defun fetch-html (url) (handler-case (multiple-value-bind (body status) (drakma:http-request url :connection-timeout 10 :force-binary t) (if (= status 200) (babel:octets-to-string body :encoding :utf-8) (progn (warn \"HTTP error: ~A (Status: ~A)\" url status) nil\u2026"}