http-headers

问题 I'm interested in exposing a direct REST interface to collections of JSON documents (think CouchDB or Persevere). The problem I'm running into is how to handle the GET operation on the collection root if the collection is large. As an example pretend I'm exposing StackOverflow's Questions table where each row is exposed as a document (not that there necessarily is such a table, just a concrete example of a sizable collection of 'documents'). The collection would be made available at /db

问题 I'm playing around with the HTTP range header (specs). From what I understand I can set byte ranges of files ala 0-199/2000 200-499/2000 500-799/2000 etc Question: Say I only want to access certain ranges of a file, would it be possible to specify these ranges and then work with the "incomplete" data I received? I'm playing around with filtering a large log file, so I'm curious if something like this would work. Thanks for inputs! 回答1: You are right the link which you posted in the comment

问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 6 years ago . Is there a good, up-to-date listing anywhere that maps User-Agent HTTP Header strings --> operating systems? 回答1: Here's a quick list.

问题 The http spec says about the HEAD request: The HEAD method is identical to GET except that the server MUST NOT return a message-body in the response. The metainformation contained in the HTTP headers in response to a HEAD request SHOULD be identical to the information sent in response to a GET request. Should the response to a HEAD request contain a Content-Length header? Should it be the value which would be returned on a GET request, even if there is no response body? Or should the Content

问题 Update 20140702: The solution Detailed answer as a blog post (but I'm marking one of the other answers as accepted instead of my own, as it got me halfway there, and to reward the effort) It appears that setting a HTTP request header is not possible through links with <a href="..."> , and can only be done using XMLHttpRequest . However, the URL linked to is a file that should be downloaded (browser should not navigate to its URL), and I am not sure is this can be done using AJAX. Additionally

问题 Update 20140702: The solution Detailed answer as a blog post (but I'm marking one of the other answers as accepted instead of my own, as it got me halfway there, and to reward the effort) It appears that setting a HTTP request header is not possible through links with <a href="..."> , and can only be done using XMLHttpRequest . However, the URL linked to is a file that should be downloaded (browser should not navigate to its URL), and I am not sure is this can be done using AJAX. Additionally

问题 In an attempt to resolve the issue I posted in this question: Is it possible to send POST parameters to a CGI script using a system() call? So far the only successful resolution to the problem is to trick the environment to think the request was a GET. I do this by converting the POST parameters to a query string, saving that string in the default environment variable, then changing the environment variable that tells the server what method this request is using to GET. $ENV{'QUERY_STRING'} =

问题 Is there a way to detect whether user is accessing your website from android powered tablet or phone on the server side? I don't own any android devices, so it's not possible for me to test what kind of headers those devices send. In my research I found: - many ways to detect it using javascript. But thats (IMHO) not the best moment, when you decide what web version should be sent to client. I prefer to server each version based on http headers sent by client. - database of http headers

问题 I am litte confused, i want to protect one page in classic asp from being accessed by Get Method. Is it possible that someone can post data from another server to my page? If Yes, how to detect that and allow only post from my server. Thanks for help. 回答1: If you are currently using Request("ParameterName") to retrieve parameters then you should change to Request.Form("ParameterName") which will only get the parameter if it was POSTed. Alternatively you can lookup the method used to access

问题 I am currently using this method to retrieve headers from a particular site: List<string> headers = new List<string>(); HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url); webRequest.CookieContainer = new CookieContainer(); webRequest.AllowAutoRedirect = false; using (HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse()) { // headers.Add("URL: " + url); headers.Add("Status Code: " + (int)webResponse.StatusCode); headers.Add("Status Desc: " + webResponse