To try and expand on what you learned from this article, you could enhance the widget with more elaborate failure handling for the relational update feed.

如果要扩展从本文学到的内容，可以通过加入对关系型更新数据源更详细的错误处理来增强小部件。

youdao

Once a system is in production and running smoothly, handling the changing loads and recovering from failure, it would be nice to just let things be.

在系统进入生产环境并顺利运行后，处理不断变化的负载并从故障中进行恢复总比仅听之任之要强得多。

youdao

And regulators have no process for handling the failure of an investment bank like Lehman Brothers Holdings Inc. Insurers like AIG aren't even federally regulated.

监管者没有诸如处理雷曼公司破产的破产投资银行处理程序。诸如aig的保险公司更不会受到联邦级的监管了。

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The one area where Mr Aznar might be vulnerable to a charge of failure is in his handling of the regions.

ECONOMIST: A new Golden Age

The violations stemmed from an inspection last summer that revealed an alleged failure to provide workers handling hydrochloric acid and other dangerous materials with the necessary protection for face, hands and eyes.

WSJ: NFL Owners Making News Off the Field

Another criticism U.K. politicians made for the police's handling of the phone-hacking probe was their failure to inform those who may have been victims.

WSJ: Police Feel the Heat in U.K. Tabloid Scandal