STL中map容器使用自定义key类型报错详解引言STL的map容器中，key的类型是不是随意的呢？实践编写测试代码定义一个结构体来试试：[cpp]view plaincopystructa{char*pName;intm_a;} 引言 STL的map容器中，key的类型是不是随意的呢？ 实践 ...

... RAND(), UUID(), NOW() are indeterministic functions. The calling of such functions should be avoid from being written into the bin log for replication. For example. INSERT INTO t SET ID=UUID(); will cause the value of the ID fields t...

SVN 报错：Unable to create pristine install streamLooking at my hard disk, I saw that there's notmpfolder inside my.svnfolder.Creating thetmpfolder manually resolved the issue.解决方法：在.svn文件夾下手动新建文件夾tmp即可。Looking at my hard disk, I saw that there's no tmp fol...

ssl证书申请报错：challenge = [c for c in authorization['challenges'] if c['type'] == "http-01"][0] IndexError: list index out of rangechallenge-list-index-out-of-range使用acme-tiny申请ssl证书时报错：challenge = [c for c in authorization[& 39;challenges& 39;] if c[& 39;type& 39;] == ...

...连接已经成功关闭'; } ?>复制代码 在浏览器中执行后，报错：Fatal error: Call to undefined function mysql_connect()... ·PHP等的配置（如php.ini）已经按照网上或书上的方法正确配置； ·DOS命令窗口中连接MySQL正确； ·PHP非数据库程序也能...

【解决】eclipse新建项目报错：overlaps the location of another project: 'xxx'eclipse-error-overlaps-the-location-of-another-projectEclipse新建项目时报错：overlaps the location of another project: & 39;xxx& 39;，确保workspace下没有重复的工程，但之前曾经添加并删...

npm安装报错：rollbackFailedOptional verb npm-sessionrollbackFailedOptional-verb-npm-session使用npm install安装组件时报错：rollbackFailedOptional: verb npm-session xxxx原因：组件目标地址无法访问导致，切换npm内网源或国内源即可解决。npm config set regist ...

解决spawn-fcgi 报错：child exited with: xxx的方法spawn-fcgi-child-exited-with出错的时候请加 -n 参数，会显示详细的错误信息：如：spawn-fcgi xxx -n出错的时候请加 -n 参数，会显示详细的错误信息： 如：spawn-fcgi xxx -nspawn fcgi

npm安装报错：rollbackFailedOptional verb npm-sessionrollbackFailedOptional-verb-npm-session使用npm install安装组件时报错：rollbackFailedOptional: verb npm-session xxxx原因：组件目标地址无法访问导致，切换npm内网源或国内源即可解决。npm config set regist ...

npm安装报错：rollbackFailedOptional verb npm-sessionrollbackFailedOptional-verb-npm-session使用npm install安装组件时报错：rollbackFailedOptional: verb npm-session xxxx原因：组件目标地址无法访问导致，切换npm内网源或国内源即可解决。npm config set regist ...