Does the routine check validity of input data?

函数是否检查了输入数据的合法性？

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You can configure the designer to check validity against different schemas or browser definitions.

该设计器可以进行配置，以便针对不同架构或浏览器定义检查有效性。

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Therefore, in general, whenever a user performs a jump, they should check the validity with regard to the business logic of the process.

因此，通常情况下，每当用户执行跳转时，他们应检查流程的业务逻辑的有效性。

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Most printers look for a firmware update every time they receive a job but, for some reason, they rarely check the validity of an incoming file.

ENGADGET: Researchers expose printer vulnerability, turn LaserJets into literal time bombs (update)

They forward spurious data to others before taking a moment to reflect on its worth or check its validity - the equivalent of passing on some scuttlebutt by word of mouth, but this time to thousands across the world.

CNN: BELIEVE IT OR NET

This workaround relies on the fact that Microsoft is currently offering, for a time limited period, free upgrades for the Media Center add-on, and it is this process that is flawed because Microsoft does not check the validity of the original key used to activate the copy of Windows 8 Pro before dishing out another key.

FORBES: Microsoft Blunder Gives Pirates Free Copies Of Windows 8 Pro