方法/步骤 1 1.在为数据库创建监听时提示如下图错误信息 2 2.但是查看1521端口号时发现，并没有使用过1521端口 3 3.因为数据库还没有完全安装好，查看监听模板文件并不能查看出原因 4 4.查看服务器主机名称，发现主机名称也是没有错误的 5 5.查看数据库配置的概要文件信息，也没有发现有什么错误的地方 6 6...
Ports allow computers to easily differentiate between different kinds of traffic: emails go to a different port than webpages, for instance, even though both reach a computer over the same Internet connection. What is a port number? Ports are standardized across all network-connected devices, ...
<port_number>:<port_number> 值表示以冒号分隔的起始和结束端口号。 不要在冒号周围使用空格。 起始端口号必须小于结束端口号。 -l <filename.txt>生成日志文件 <filename.txt>值表示日志文件的名称和扩展名。 此值不能包含空格。 命令运行时,PortQry 会在安装它的目录中创建日志文件。
When you connect a new COM device or a USB device to your computer (USB modem, mobile phone, Bluetooth adapter, serial to USB converters, etc.), Windows detects it using Plug-n-Play and assigns it aCOM port numberin the range of1 to 255(COM1, COM2, COM3, etc.). If this device ...
What is the port number for localhost? Localhost is the default name used to establish a connection with a computer. The IP address is usually 127.0.0.1. This is done by using a loopback address network. Port 80 is the common standard port for HTTP. ...
Gets or sets the number of bytes in the internal input buffer before aDataReceivedevent occurs. RtsEnable Gets or sets a value indicating whether the Request to Send (RTS) signal is enabled during serial communication. Site Gets or sets theISiteof theComponent. ...
You use theGetPortNamesmethod to retrieve the valid ports for the current computer. If aSerialPortobject becomes blocked during a read operation, do not abort the thread. Instead, either close the base stream or dispose of theSerialPortobject. ...
Her official number is carved on theportside of the forecabin. 这艘船的注册编号刻在前舱的左舷上。 柯林斯高阶英语词典 He asked for a glass ofportafter dinner. 晚饭后,他要了一杯波尔图葡萄酒。 柯林斯高阶英语词典 Whereas your family's archives is personal, those held by the National Archives ...
It can be used in the design of application to work with theserial port. 这里能够被用于应用程序需要与串口工作. 期刊摘选 Meanwhile, gyroscope and odograph transfer course angle and distance respectively to the computer byserial port. 同时, 陀螺,里程表等也将目标的航向信息和运行距离结果通过串口传到...
Server, some organizations specify that the SQL Server port number should be changed to enhance security. This might be helpful in some environments. However, the TCP/IP architecture permits aport scannerto query for open ports, so changing the port number isn't considered a robust sec...