This article includes a general description of how to write extensions with code, followed by three specific and widely applicable examples.

本文包含关于如何使用代码编写扩展的一般性描述，之后还有三个具体的且广泛适用的示例。

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We need a way to override our reasonable defaults with some specific code to handle these situations.

需要一些处理这些情况的特定代码来覆盖合理的缺省值。

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For example, the following Gatekeeper code creates a multi-use token with specific usage limits (from the documentation).

例如，以下的Gatekeeper代码使用指定使用限制来创建一个多重使用标记(文档来源)。

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Many companies have formal dress code policies, including UBS which has a 44-page document with specific stipulations that disallow women from wearing more than seven pieces of jewelry and men from wearing cufflinks.

CNN: Decoding the workplace dress code

Bhardwaj told us that the plan is for them to come at a regular cadence of one major code update per year, with other, incremental updates for specific devices sprinkled in as needed.

ENGADGET

It would be a perfect pairing with the simplifications in the tax code that would result from slashing all of the company-specific sections out of the tax code, which in and of themselves would save companies millions in tax accounting fees.

FORBES: The Wolf and The Lamb Deficit Plan