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2. What is the difference between a URI, a URL, and a URN?

   stackoverflow.com/questions/176264

   So basically, a URN functions like a person's name and the URL depicts that person's address. So long story short, a URN defines an item's identity, while the URL provides defines the method for finding it, finally encapsulating these two concepts is the URI. edited Jul 9, 2016 at 17:46. Peter Mortensen.

3. urlencode - What is %2C in a URL? - Stack Overflow

   stackoverflow.com/questions/6182356

   In a URL, what does the %2C encoding mean and what are its uses?

4. http - Spaces in URLs? - Stack Overflow

   stackoverflow.com/questions/5442658

   They are indeed fools. If you look at RFC 3986 Appendix A, you will see that "space" is simply not mentioned anywhere in the grammar for defining a URL. Since it's not mentioned anywhere in the grammar, the only way to encode a space is with percent-encoding (%20). In fact, the RFC even states that spaces are delimiters and should be ignored: In some cases, extra whitespace (spaces, line ...

5. html - What characters are valid in a URL? - Stack Overflow

   stackoverflow.com/questions/7109143

   There's what's technically a valid URL and what's actually used as a URL today. Only 25% of the internet is even written in English. #2 and #4 languages are Chinese and Arabic.

6. http - Escaping ampersand in URL - Stack Overflow

   stackoverflow.com/questions/16622504

   This does not only apply to the ampersand in URLs, but to all reserved characters. Some of which include: # $ & + , / : ; = ? @ [ ] The idea is the same as encoding an & in an HTML document, but the context has changed to be within the URI, in addition to being within the HTML document. So, the percent-encoding prevents issues with parsing ...

7. .net - What is the URL for NuGet Gallery to access (nuget.org)...

   stackoverflow.com/questions/5693139

   The URL above is an old one, see my answer below for the newer URL to the version 2 NuGet feed.

8. URL encoding the space character: + or %20? - Stack Overflow

   stackoverflow.com/questions/1634271

   For HTTP URLs, a space in a path fragment part has to be encoded to "%20" (not, absolutely not "+"), while the "+" character in the path fragment part can be left unencoded. Now in the query part, spaces may be encoded to either "+" (for backwards compatibility: do not try to search for it in the URI standard) or "%20" while the "+" character ...

9. What is the difference between URL parameters and query strings...

   stackoverflow.com/questions/39266970

   I don't see much of a difference between the parameters and the query strings, in the URL. So what is the difference and when should one be used over the other?

10. What's different between URI, request-URI and URL?

    stackoverflow.com/questions/34849543

    In normal HTTP requests, the URL scheme and host have already been handled by the time the request is sent (and the URL fragment does not exist at the HTTP protocol level at all), meaning the Request-URI is a path-absolute-URL string, possibly followed by ? and a URL-query string. That is to say, this part of the complete URL

11. What is the difference between URI, URL and URN? [duplicate]

    stackoverflow.com/questions/4913343

    A URI identifies a resource either by location, or a name, or both. A URI has two specializations known as URL and URN. A Uniform Resource Locator (URL) is a subset of the Uniform Resource Identifier (URI) that specifies where an identified resource is available and the mechanism for retrieving it. A URL defines how the resource can be obtained.