In the MongoDB shell, it is very easy to update documents.

在MongoDB shell中，更新文档非常容易。

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One reason is that cloud applications are often less expensive, simple to manage, and easy to update and use.

其中一个原因是云应用程序通常比较便宜、管理简单、且容易更新和使用。

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Whatever form it takes, it must be a living, breathing entity that's easy to update and easy to reference.

无论是何种形式，都必须是一个充满活力的实体，能方便地进行更新和引用。

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When picking a new system, remember to make sure it is flexible and easy to update, says Julie Morgenstern, of New York, author of "Time Management from the Inside Out" and a productivity consultant.

WSJ: How Productivity Tools Can Waste Your Time

Based on Samsung's hacker-friendly track record, you'd generally expect one of it smartphones to come with an unlocked bootloader, making it easy to update or tweak with unofficial ROMs. That's not the case with Verizon's imminent version of the Galaxy S III, however.

ENGADGET: Verizon Galaxy S III has locked bootloader (but it's been rooted anyway)

It's easy to get the update (free of charge).

ENGADGET: ICS officially available for AT&T Samsung Galaxy S II beginning tomorrow