If you've got physical access to a machine, you can easily change any user passwords by booting into recovery mode.

如果你能够跟一台电脑有物理接触，那么就能通过启动后进入修复模式的方法轻松改变任何用户的密码。

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The design follows the Open Closed Principle if you can extend the system by swapping out implementations of IDataSource without making any change to the BusinessProcess class.

如果你可以通过实现IDataSource对这个系统进行扩展并且不对BusinessProcess类做任何的修改，那么这个设计就遵循了开闭原则。

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And if the code version causing the schema change is in any way deficient, the change must often be rolled back by hand.

如果造成模式变化的代码版本仍然处在不完善的状态，那么经常必须手工回退变化。

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We can't be sure yet which, if any, were made worse by manmade climate change, although a study from researchers in Germany suggests that heatwaves are five times more likely due to current levels of heating.

BBC: Flooding in York

If there's any chance they would change their minds, the approach by Argentina is completely counterproductive.

BBC: William Hague: Argentina bullying Falklands

Yet things might change quickly if any of Europe's big three exchanges were taken over by a rival, or if Euronext really were to benefit from a rise in the pan-European trading of shares.

ECONOMIST: Borsa Italiana