As a general rule, I recommend that development teams check in all of their files necessary to create working software.

作为一般规则，我建议开发团队签入创建软件所需的所有文件。

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In the 1970s, the shave-up-or-ship-out policy was part of an effort to keep the hairy, wild members of the "Bronx Zoo" World Series teams in check.

WSJ: Yankees: No Beards��And That's Final

The CDC teams do check tools like the Google Flu Tracker, and Brammer says that while the results don't always match up, Google is close to the CDC's own findings most of the time.

CNN: Tracking the flu with technology and Twitter

But when a company like Gap, which is just regaining its credibility with customers, says it cannot send quality-assurance teams to check up on its contract manufacturers in Asia, there is a danger that shabby production may undermine its nascent recovery.

ECONOMIST: SARS: A plague on all our businesses | The