{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbabydaemons.hatenablog.com%2Fentry%2F20090809%2F1249799162\" title=\"M_PI\u3092\u4f7f\u3046\u306b\u306f - babydaemons\u2019 blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/babydaemons/","height":"190","author_name":"babydaemons","provider_url":"https://hatena.blog","type":"rich","published":"2009-08-09 15:26:02","title":"M_PI\u3092\u4f7f\u3046\u306b\u306f","blog_title":"babydaemons\u2019 blog","blog_url":"https://babydaemons.hatenablog.com/","url":"https://babydaemons.hatenablog.com/entry/20090809/1249799162","provider_name":"Hatena Blog","width":"100%","description":"\u666e\u901a\u306bmath.h\u3092include\u3059\u308b\u3060\u3051\u3067\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u304c\u901a\u308a\u307e\u305b\u3093\u3002 .\\Hoge.cpp(90) : error C2065: 'M_PI' : \u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u8b58\u5225\u5b50\u3067\u3059\u3002 \u3053\u3053\u3067\u898b\u3064\u3051\u307e\u3057\u305f\u304c\u3001\u3053\u3046\u3057\u3066\u3042\u3052\u308b\u3068\u826f\u304b\u3063\u305f\u3067\u3059\u3002 #define _USE_MATH_DEFINES #include <math.h>","categories":["VC++"],"version":"1.0","image_url":null}