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Duplicate Requests from a Browser


Duplicate Requests from a Browser

By : user2955460
Date : November 22 2020, 10:40 AM
it helps some times One of the commenters mentioned that the problem might be with a resource such as an image or JS that is not successfully loading.
After testing, I found that it was indeed some CSS that was missing a URL: "background-image: url();".
code :


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Why duplicate script tags do not produce duplicate requests?

Why duplicate script tags do not produce duplicate requests?


By : user6094664
Date : March 29 2020, 07:55 AM
it helps some times There are two reasons why this can happen. The first is that the content provider can set the expires heading so that the browser will not issue a second request, and the second is how browsers actually handle GET requets in HTTP, such as the get request to include the script.
1. Setting Expires Header of Content
Firefox requests XML and IE requests JSON from my Web API website, what to change browser's setting?

Firefox requests XML and IE requests JSON from my Web API website, what to change browser's setting?


By : ceguster
Date : March 29 2020, 07:55 AM
wish of those help ASP.NET Web API returns JSON or XML based on Accept header.
Different browsers have different default Accept headers. As for me:
code :
text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,image/jpeg,image/gif;q=0.2,*/*;q=0.1
application/x-ms-application, image/jpeg, application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
*/*
HKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Accepted Documents
Passport.js - browser GET requests are OK, but AJAX requests from JS code are not?

Passport.js - browser GET requests are OK, but AJAX requests from JS code are not?


By : Chris Hodgkinson
Date : March 29 2020, 07:55 AM
will help you By default, a cross-origin XHR request won't include cookies (which are normally used to maintain state in applications that require authentication).
You can change that by setting withCredentials:
code :
var xhr = new XMLHttpRequest();
xhr.open(...);
xhr.withCredentials = true;
requests.exceptions.ConnectionError [Errno 11004] getaddrinfo failed using Requests in Python. Browser works

requests.exceptions.ConnectionError [Errno 11004] getaddrinfo failed using Requests in Python. Browser works


By : Aroca
Date : March 29 2020, 07:55 AM
help you fix your problem I have found out that in my company they somehow do not provide a DNS server for script requests. That is the reason it did not work.
Multiple duplicate HTTP requests/queries from single requests in Azure with Laravel

Multiple duplicate HTTP requests/queries from single requests in Azure with Laravel


By : Matt Beamish
Date : March 29 2020, 07:55 AM
help you fix your problem The best way to debug this is to start a debug session with xdebug and stepping through the code while you keep an eye on the stdout/logging output in a separate window.
Set a breakpoint on the first line in your controller, when it breaks there should be 0 queries done. If not you know something weird is going on in routing/the request. Then step through the function calls used in building the query.
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