March 2018
Beginner to intermediate
410 pages
10h 40m
English
Content preview from Mastering Internet of Things
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Understanding status codes
All requests in HTTP return a response. The response begins with a status code, followed by a set of HTTP headers, followed by optional content. First, the status code needs to be understood. The code is first divided into sections:
|
Range |
Meaning |
|
1xx |
Informational response. The request is acknowledged, and processing continues. This is used when dividing a Request/Response into more than one. |
|
2xx |
Success response. The request has been received, understood, and accepted. |
|
3xx |
Redirection response. The client is requested to redirect the original request to a new source. |
|
4xx |
Client error. The client has done something wrong. |
|
5xx |
Server error. The server has done something wrong. ... |
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