我是MVC的新手,谁能告诉我RedirectResult是用来干嘛的?
我想知道这两者有什么不同:
public ActionResult Index()
{
return new RedirectResult("http://www.google.com");
}
还有这个:
public RedirectResult Index()
{
return new RedirectResult("http://www.google.com");
}
我现在需要在云服务器上部署activemq,但是启动的时候总是报
Failed to start Apache ActiveMQ (localhost, ID:VM_0_7_centos-41389-1542077095783-0:1) | org.apache.activemq.broker.BrokerService | main
java.net.URISyntaxException: Illegal character in hostname at index 7: ws://VM_0_7_centos:61614?maximumConnections=1000&wireFor
我正在尝试创建一个文件共享网站,但我在php上是个讨厌鬼,这是字符串
$_file['file_short_url'] = substr( preg_replace( "/[^a-zA-Z0-9]/", '', crypt( $_file['file_key'] ) ), 0, 5 );
它给了我这个错误Notice: crypt(): No salt parameter was specified. You must use a randomly generated salt and a strong hash f