我想为rails使用port no localhost:3000,它已经被占用了,其他进程如何释放这个port no?ruby abc/script/server/usr/lib/ruby/1.9.1/webrick/utils.rb:85:in `initialize': Address already in use - bind(2) (Errno::EADDRINUSE)from /usr/lib/ruby/1.9.1/we
嘿,我正在运行一个以快递为后端的angular2应用程序。得到以下问题:[3] [nodemon] app crashed - waiting for file changes before starting...
[1] [HPM] Error occurred while trying to proxy request /api/jobs from localhost:4200 to http://localhost:300
我有一个表格,如下图所示 ? 我想删除所有有where条件的记录,但这是错误的 MYSQL查询 DELETE FROM `DiseaseLogs` AND `logType` = 'vaccine'
AND `id` NOT IN (130 , 139) 错误:#1205 -锁定等待超时;请尝试重新启动事务