{"version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftnakamura.hatenablog.com%2Fentry%2F20081222%2F1229905592\" title=\"\u5024\u306e\u5207\u308a\u4e0a\u3052\u30fb\u5207\u308a\u6368\u3066 - present\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://tnakamura.hatenablog.com/","width":"100%","image_url":null,"blog_title":"present","categories":["C#"],"author_url":"https://blog.hatena.ne.jp/griefworker/","author_name":"griefworker","height":"190","description":"\u81ea\u5206\u7528\u306e\u30e1\u30e2\u3082\u517c\u306d\u3066\u3002 using System; namespace RoundSample { class Program { double data = 12345.6789; Console.WriteLine(\"\u5143\u306e\u30c7\u30fc\u30bf\uff1a{0}\", data); Console.WriteLine(\"\u5c0f\u6570\u5207\u308a\u6368\u3066\uff1a{0}\", Math.Floor(data)); Console.WriteLine(\"\u5c0f\u6570\u5207\u308a\u4e0a\u3052\uff1a{0}\", Math.Ceiling(data)); Console.WriteLine(\"\u5c0f\u6570\u7b2c2\u4f4d\u4ee5\u4e0b\u5207\u308a\u6368\u3066\uff1a{0}\", RoundDown(data, 2)); Console.\u2026","provider_name":"Hatena Blog","url":"https://tnakamura.hatenablog.com/entry/20081222/1229905592","published":"2008-12-22 09:26:32","type":"rich","provider_url":"https://hatena.blog","title":"\u5024\u306e\u5207\u308a\u4e0a\u3052\u30fb\u5207\u308a\u6368\u3066"}