section: util.md, add questions

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Lellansin 2017-07-27 20:50:10 +08:00
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**Common Problem**
* How does HTTP pass `let arr = [1,2,3,4]` to the server by GET method? [[more]](/sections/en-us/util.md#get-param)
* How to implement util.inherits in Node.js? [[more]](/sections/en-us/util.md#utilinherits)
* How do I get all the file names under a folder? [[more]](/sections/en-us/util.md#q-traversal)
[View more](/sections/en-us/util.md)

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### util.inherits
> how to implement util.inherits in Node.js?
> How to implement util.inherits in Node.js?
https://github.com/nodejs/node/blob/v7.6.0/lib/util.js#L960