{"categories":["OS"],"height":"190","author_url":"https://blog.hatena.ne.jp/HTN20190109/","provider_url":"https://hatena.blog","width":"100%","url":"https://htn20190109.hatenablog.com/entry/2021/12/12/060949","published":"2021-12-12 06:09:49","provider_name":"Hatena Blog","image_url":null,"blog_url":"https://htn20190109.hatenablog.com/","title":"\u30b7\u30a7\u30eb\u3067\u57fa\u6570\u5909\u63db","blog_title":"HTN20190109\u306e\u65e5\u8a18","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2021%2F12%2F12%2F060949\" title=\"\u30b7\u30a7\u30eb\u3067\u57fa\u6570\u5909\u63db - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","author_name":"HTN20190109","type":"rich","description":"Ubuntu (20)https://www.mazn.net/blog/2013/02/24/854.html 10\u9032\u6570=>2\u9032\u6570bc <<< \"obase=2;ibase=10;9999\" 2\u9032\u6570=>10\u9032\u6570bc <<< \"obase=10;ibase=2;10011100001111\"echo $((2#10011100001111)) 10\u9032\u6570=>8\u9032\u6570bc <<< \"obase=8;ibase=10;9999\"printf '%o\\n' 9999 8\u9032\u6570=>10\u9032\u6570bc <<< \"obase=10;ibase=8;23417\"echo $((8#23417))printf '%d\\n\u2026"}