{"image_url":null,"published":"2021-01-26 17:19:45","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.kyanny.me%2Fentry%2F2021%2F01%2F26%2F171945\" title=\"MongoDB \u306e ObjectId \u304c 6 \u59cb\u307e\u308a\u306b\u306a\u3063\u3066\u3044\u305f - @kyanny&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","blog_title":"@kyanny's blog","author_name":"a666666","categories":[],"description":"MongoDB Memo Issue 78: January 22, 2021 \u3088\u308a\u3002 MongoDB ObjectIds Now Start with 6 \u2014 This is pointless trivia, but ObjectIds are formed from Unix epoch timestamp values plus a random value and a incrementing counter. Due to the current time since 1970, ObjectIds now start with 6 rather than 5. You\u2019ll ne\u2026","provider_url":"https://hatena.blog","title":"MongoDB \u306e ObjectId \u304c 6 \u59cb\u307e\u308a\u306b\u306a\u3063\u3066\u3044\u305f","width":"100%","url":"https://blog.kyanny.me/entry/2021/01/26/171945","provider_name":"Hatena Blog","blog_url":"https://blog.kyanny.me/","version":"1.0","author_url":"https://blog.hatena.ne.jp/a666666/"}