如题。否则会报错 Type error, can not convert String to Integer
refer to: https://sanyuesha.com/2017/07/22/how-to-understand-go-interface/ 跟java的很相似 更类似于ruby 中的struct
refer to: https://blog.csdn.net/qq_39290878/article/details/109738433 yarn : 无法加载文件 C:\Users\xx\AppData\Roaming\npm\yarn.ps1，因为在此系统上禁止运行脚本。有关详细信息，请参阅 https:/go.microsoft.com/fwlink/?LinkID=135170 ...
refer to: POE fetch('https://ixxxt/info.do', { method: 'POST', body: my_binary, headers } ) .then(response => { if (!response.ok) { throw new Error('Netwo...
Rails send emails, content, body ，attachment 附件
Rails belongs_to 在最新版本默认是 required
