iOS Swift - Networking
Why is it important to check the HTTP response status code when handling errors in a network call?
Why is it important to check the HTTP response status code when handling errors in a network call?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand HTTP status codes
HTTP status codes indicate success or failure of the server response.Step 2: Recognize error cases without network error
Even if no network error occurs, status codes like 404 or 500 indicate failure.Final Answer:
Because some errors are indicated by status codes even if no network error occurred -> Option DQuick Check:
Check status code for server errors beyond network errors [OK]
Quick Trick: Check HTTP status code to catch server-side errors [OK]
Common Mistakes:
- Ignoring status codes if error is nil
- Assuming status code always 200 on success
- Confusing status code with response data
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