The DeployAttributeNotNull validator works on complex data types such as the port (OS: port) and checks that they have a value.

DeployAttributeNotNull确认器只适用于复杂的数据类型，例如端口(os： port)并检查它们拥有一个值。

youdao

LOOK OUT on any day from Pier Two at the tubarao Port complex in Brazil and you will see at least half a dozen ships on the horizon.

任何一天，只要你站在巴西鲨鱼港(tubarao)的二号码头往外看，都能看见地平线上至少有六艘船只。

youdao

Configuring devices attached to a parallel port can be more complex.

配置对一个并口的装置附件可能是更复杂的。

youdao

Marcum had been set to throw Tuesday at the team's spring training complex in Port St.

WSJ: Mets' Shaun Marcum unable to throw simulated game

He received an injection Thursday and the Mets said he will travel Friday to their spring training complex in Port St.

WSJ: Niese to miss start; Tejada on DL with quad injury

But Neath Port Talbot council has recommended the new complex is built on Hollywood Park.

BBC: Afan Lido after the fire