Tom Workman | w2-express assignment#9
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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:** Expresss is powering it, the `Content-Type` looks familiar, and the `Date` information. |
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Returns metadata, usually info about the server and the response.
MadEste
reviewed
Jul 13, 2019
| * **Question:** When does `app.use()` get called? | ||
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| * **Your Answer:** | ||
| * **Your Answer:** `app.use()` is a general function for every request to go through and is called when it finds a match for a specified path. |
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Remember app.use will always be called if a request has reached that point of the route chain.
MadEste
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Jul 13, 2019
| * **Question:** What type of thing is `app` and what is its purpose? | ||
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| * **Your Answer:** | ||
| * **Your Answer:** `app` is a middleware function. It's job is to parse incoming requests with JSON payloads and has many different methods on it, one of which is `.get()`. |
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In this case app is the instance of our server itself.
MadEste
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Jul 13, 2019
| - **Question:** Try creating a new vegetable. Then, try restarting your server. What happens to the data you posted and why? | ||
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| * **Your Answer:** | ||
| - **Your Answer:** My data did not persist. This happened because as of now, it's just using the HTTP `POST` method to send data to a route and we are not using a database or a JSON file to store the contents that are being created. |
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Correct, the data is being stored as an object which does not persist once the server is restarted.
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Completed questions for the w2-express assignment.