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How do Third-Party “tracking cookies” work?

... First, cookies are set and retrieved through HTTP headers. If your browser sends a request to http://example.com, then the response might come back with a header that says Set-Cookie: foo=bar. Your browser stores this cookie, and on any subsequent requests to http://exa...
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HTTP Basic Authentication - what's the expected web browser experience?

When a server allows access via Basic HTTP Authentication, what is the experience expected to be in a web browser ? 6 Answ...
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In Python, how do I use urllib to see if a website is 404 or 200?

... The getcode() method (Added in python2.6) returns the HTTP status code that was sent with the response, or None if the URL is no HTTP URL. >>> a=urllib.urlopen('http://www.google.com/asdfsf') >>> a.getcode() 404 >>> a=urllib.urlopen('http://www.google...
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Get file name from URI string in C#

... Also beware of a querystring. http://www.test.com/file1.txt?a=b will result in file1.txt?a=b – Julian Mar 10 '15 at 12:44 ...
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Is there a limit to the length of a GET request? [duplicate]

... Not in the RFC, no, but there are practical limits. The HTTP protocol does not place any a priori limit on the length of a URI. Servers MUST be able to handle the URI of any resource they serve, and SHOULD be able to handle URIs of unbounded length if they provide GET-based forms ...
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Why this line xmlns:android=“http://schemas.android.com/apk/res/android” must be the first in the la

...t; </LinearLayout> Instead of calling android:id, the xml will use http://schemas.android.com/apk/res/android:id to be unique. Generally this page doesn't exist (it's a URI, not a URL), but sometimes it is a URL that explains the used namespace. The namespace has pretty much the same uses a...
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What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?

...intable (text) characters. See this paragraph from the wikipedia page for HTTP Basic Authentication: While encoding the user name and password with the Base64 algorithm typically makes them unreadable by the naked eye, they are as easily decoded as they are encoded. Security is not the intent o...
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Synchronous request in Node.js

If I need to call 3 http API in sequential order, what would be a better alternative to the following code: 18 Answers ...
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What is the X-REQUEST-ID http header?

...declares X-Request-ID helps correlating multiple log entries to individual HTTP(s) requests : blog.heroku.com/… – Stephan Jan 11 '17 at 15:15 4 ...
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What HTTP status response code should I use if the request is missing a required parameter?

...UPDATE @DavidV correctly points out that this spec is for WebDAV, not core HTTP. But some popular non-WebDAV APIs are using 422 anyway, for lack of a better status code (see this). share | improve t...