classwork#15
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janauhrich wants to merge 1 commit into
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MadEste
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Jul 13, 2019
| * **Question:** What are headers? What values do you recognize? | ||
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| * **Your Answer:** | ||
| * **Your Answer:** Headers are the metadata that the server sends with a every response. Content type is the json we've returned and it's encoding, x-powered by expresss describes the framework we're using. |
MadEste
reviewed
Jul 13, 2019
| * **Question:** When does `app.use()` get called? | ||
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| * **Your Answer:** | ||
| * **Your Answer:** whenever a request is made |
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Whenever a request reaches that point of the route chain.
MadEste
reviewed
Jul 13, 2019
| * **Question:** What type of thing is `next` and what does it represent in the callback? | ||
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| * **Your Answer:** | ||
| * **Your Answer:** next is a method and tells the code to continue executing next available matching route |
MadEste
reviewed
Jul 13, 2019
| * **Question:** Instead of a `GET` request, lets say we want to listen in for a `POST` request. What do you think you needs to change? | ||
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| * **Your Answer:** | ||
| * **Your Answer:** post will create something on the server. just change get -> post |
MadEste
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Jul 13, 2019
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| * **Your Answer:** | ||
| * **Your Answer:** status code tells you the health of the relationship with the server | ||
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To change the status code:
res.status(code)
MadEste
reviewed
Jul 13, 2019
| * **Question:** What is `req.params`? What else will you need to change if you change the path to `/my/name/is/:username`? | ||
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| * **Your Answer:** | ||
| * **Your Answer:** route parameters, different than query params, they are defined inside |
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Similar to the syntax from react, they are params pulled from inside the path.
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Still a few questions at the bottom to finish...