{"version":"1.0","type":"rich","image_url":null,"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fninecube.hatenadiary.org%2Fentry%2F20091009%2F1255073816\" title=\"\u7c21\u6613\u30c7\u30d0\u30c3\u30b0\u30ed\u30b0\u51fa\u529b\u65b9\u6cd5 - \u70cf\u306e\u4fef\u77b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://ninecube.hatenadiary.org/entry/20091009/1255073816","author_name":"ninecube","title":"\u7c21\u6613\u30c7\u30d0\u30c3\u30b0\u30ed\u30b0\u51fa\u529b\u65b9\u6cd5","description":"C\u8a00\u8a9e\u3067printf\u3092\u4f7f\u7528\u305b\u305a\u306bsyslog\u3067\u30ed\u30b0\u3092\u51fa\u529b\u3059\u308b\u65b9\u6cd5\u3002 #include <syslog.h> : : syslog(LOG_INFO, \"%s\\t%s:%d\", msg, __FILE__, __LINE__); : /* SQL\u306e\u7d50\u679c\u3092\u51fa\u529b\u3059\u308b\u5834\u5408\u306f\u3053\u3093\u306a\u611f\u3058 */ syslog(LOG_INFO, \"%d: %s \\t%s:%d\", sqlca.sqlcode, sqlca.sqlerrm.sqlerrmc, __FILE__, __LINE__); \u3053\u308c\u3067syslog(/var/log/messages or /var/adm/messages)\u306b\u4efb\u610f\u306e\u30ed\u30b0\u3092\u51fa\u529b\u53ef\u80fd\u306b\u306a\u308a\u2026","provider_url":"https://hatena.blog","categories":["\u30d7\u30ed\u30b0\u30e9\u30e0"],"height":"190","published":"2009-10-09 16:36:56","blog_title":"\u70cf\u306e\u4fef\u77b0","author_url":"https://blog.hatena.ne.jp/ninecube/","provider_name":"Hatena Blog","blog_url":"https://ninecube.hatenadiary.org/"}