{"blog_title":"fjnl\u306e\u751f\u5b58\u8a18\u9332\u306e\u3088\u3046\u306a\u4f55\u304b","provider_url":"https://hatena.blog","description":"\u51e6\u7406\u6642\u9593\u306e\u6e2c\u5b9a\u306f\u3001clock\u3084gettimeofday\u3092\u4f7f\u3046\u4e8b\u304c\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u3042\u307e\u308aC++\u3063\u307d\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u3001C++0x\u304b\u3089std\u540d\u524d\u7a7a\u9593\u306b\u5165\u3063\u305fstd::chrono\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002std::chrono::system_clock::now()\u3067\u73fe\u5728\u306e\u6642\u523b(time_point)\u304c\u53d6\u308c\u308b\u306e\u3067\u3001\u305d\u308c\u3092\u6642\u9593\u3092\u8a08\u6e2c\u3057\u305f\u3044\u51e6\u7406\u306e\u524d\u5f8c\u3067\u53d6\u308a\u3001\u5dee\u3092\u6c42\u3081\u307e\u3059\u3002operator -\u304c\u4f7f\u3048\u308b\u306e\u304cC++\u3063\u307d\u304f\u3066\u3044\u3044\u3067\u3059\u306d\u3002system_clock::now()\u3067\u53d6\u308c\u308b\u6642\u9593\u306e\u7cbe\u5ea6\u306f\u5b9f\u88c5\u4f9d\u5b58\u306a\u306e\u3067\u3001\u5dee\u3092\u6c42\u3081\u308b\u6642\u306bmilliseconds\u306b\u5909\u63db\u3057\u3066\u8fd4\u3057\u3066\u3044\u307e\u3059\u3002 #include <iostre\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffjnl.hatenadiary.org%2Fentry%2F20100702%2F1278070487\" title=\"std::chrono\u306b\u3088\u308b\u51e6\u7406\u6642\u9593\u6e2c\u5b9a - fjnl\u306e\u751f\u5b58\u8a18\u9332\u306e\u3088\u3046\u306a\u4f55\u304b\" 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":"fjnl","blog_url":"https://fjnl.hatenadiary.org/","type":"rich","height":"190","title":"std::chrono\u306b\u3088\u308b\u51e6\u7406\u6642\u9593\u6e2c\u5b9a","published":"2010-07-02 20:34:47","author_url":"https://blog.hatena.ne.jp/fjnl/","width":"100%","url":"https://fjnl.hatenadiary.org/entry/20100702/1278070487","version":"1.0","provider_name":"Hatena Blog","image_url":null,"categories":["C++"]}