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How are “304 Not Modified” responses generated? How does a browser determine whether the response to an HTTP request is 304? Is it set by the browser or sent...
Given that the TCP connection is already established when the HTTP request is sent, the IP address and port are implicitly known — a TCP connection is an IP...
How to share cookies cross origin? More specifically, how to use the Set-Cookie header in combination with the header Access-Control-Allow-Origin? Here’s an explanation of my situation: I am attempting...
Each page in an MVC application I’m working with sets these HTTP headers in responses: X-Powered-By: ASP.NET X-AspNet-Version: 2.0.50727 X-AspNetMvc-Version: 2.0 How do I prevent these from showing? 12...
I read about Pragma header on Wikipedia which says: “The Pragma: no-cache header field is an HTTP/1.0 header intended for use in requests. It is a means for the...
How do I add a custom header to a HttpClient request? I am using PostAsJsonAsync method to post the JSON. The custom header that I would need to be...
DELETE is supposed to be idempotent. If I DELETE http://example.com/account/123 it’s going to delete the account. If I do it again would I expect a 404, since the account...
What’s the difference between Expires and Cache-Control headers? 7 Answers 7
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-us,en;q=0.5 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 What do these ‘q=%f’ mean? 3 Answers 3
If you were going to store a user agent in a database, how large would you accomdate for? I found this technet article which recommends keeping UA under 200....