reading-notes

My reading notes

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CRUD

Status Codes Based On REST Methods

1. In your own words, describe what each group of status code represents:

• 100’s = header renders but body will fail before start
• 200’s = Success codes, all validation requirements were met during time of send
• 300’s = Redirect codes, client must issue new request to redirect
• 400’s = client error codes
• 500’s = server error codes

1. What is a status code 202?
   • valid request process when ready
2. What is a status code 308?
   • permanent redirect, tells user not to use current link
3. What code would you use if an update didn’t return data to a client?
   • 204 No content
4. What code would you use if a resource used to exist but no longer does?
   • 308 Permanent Redirect
5. What is the ‘Forbidden’ status code?
   • client has no permission

REST API With Node.js, Express, & MongoDB

1. Why do we need to pull our MongoDB database string out of our server and put it into our .env?
   • Its private information .env is hidden
2. What is middleware?
   • function that have access to request obbjects
3. What does app.use(express.json()) do?
   • allow acceptance of json
4. What does the /:id mean in a route?
   • That it is a parameter
5. What is the difference between PUT and PATCH?
   • Put is to update all patch updates whats needed
6. How do you make a default value in a schema?
   • default:
7. What does a 500 error status code mean?
   • Internal Server Error
8. What is the difference between a status 200 and a status 201?
   • Successfully created an object is 201. 200 is successful nothing more