May be a dumb question, but it's been bugging me recently. I see "URL=" inside alot of URL's, such as this one:
http://www.tierraantigua.com/search-2?url=http%3A%2F%2Flink.flexmls.com%2Fwws30ham
What exactly is this used to do? Is it part of the iFrame functionality? I know the last part of the URL (after the URL=) is the part being displayed in the iFrame, but I'm unsure of why it is included in the primary URL as well.
Thanks!
The url you see here is just a standard query parameter wit the name url and the encoded value http%3A%2F%2Flink.flexmls.com%2Fwws30ham which decodes to http://link.flexmls.com/Fwws30ham. Most of the times it is used for determining redirection or source information by the application you are using. It is entirely domain-specific and can have any meaning the website developer would like to use.
PHP GET
Description ΒΆ
An associative array of variables passed to the current script via the URL parameters.
$url = $_GET['url'];
echo $url; // http%3A%2F%2Flink.flexmls.com%2Fwws30ham
Related
I'm trying to add param in the url, like in this example:
https://www.google.com/ > https://www.google.com/search?q=qq
Opening the last link you can see "qq" in the "q" input.
For this site it doesn't work (this is the problem):
https://www.calabriasue.it/assistenza/richiesta-assistenza-e-supporto/
https://www.calabriasue.it/assistenza/richiesta-assistenza-e-supporto/?nome=mario
Can I add url param also in the last one? I need it.
Thanks!
I tried using different input names, different params ecc but it doesn't work.
Google's server side code is designed to generate an HTML document with an input field that is prefilled with the current search term which is reads from the URL. That is why adding q=search+term to the URL populates the input field.
You can't make arbitrary third-party websites prefill inputs. They have to explicitly provide a mechanism to make it possible.
Parameters only work as long as the code for the target website is expecting to handle a parameter named "nome" with a value "mario". In the case of the google website, it is expecting a parameter named "q" and has a form input for it.
Clicking a URL sends a a GET request type, and the target site may only be accepting parameters from a POST request type. You could consider using the application known as "PostMan" to help with that.
Alternately, the target page you are viewing may be forwarded / routed from a different page which accepts parameters.
Say I have a website that accepts URLs of the form:
http://mywebsite.com/viewdata?content=aggregated&format=circular
Where the content is modified by a parameter (content) and the format is modified by a parameter (format).
What is the term for this sort of URL? How do you refer to the URLs of a "dynamic" website? Is there a difference in terms for parameters that change the content vs the presentation?
This is similar to this question, but I'm trying to figure out what to call the entire URL and the process of using the URL to dynamically change page content.
Sorry if the question is a bit unclear: it's hard to ask when you don't even know what words to use.
you got to learn this tutorial
http://w3schools.com/php/ or http://w3schools.com/asp programming or .... langs
I've tried using a few web pages to create QR code to create a QR for a regular url and they fine.
However, if I had parameters to the url, the resulting url does not decode properly.
If you try this
http://chart.apis.google.com/chart?cht=qr&chs=500x500&choe=UTF-8&chld=H&chl=http://localhost?someparam=1&someotherparam=2
instead of the QR code pointing to http://localhost?someparam=1&someotherparam=2
the Barcodescanner decoder apps on Android and iPhone point to
http://localhost/?someparam=1&someotherparam=2
The forward slash / between what would be the server name (domain name) and the start of the parameter string is obviously incorrect.
I'm assuming that it's something to do with url encoding and I'm just looking for a pointer in the right direction from someone who might had already cracked this nut.
Zxing's QR code generator has the same effect. But it seems to rely on Google also.
http://zxing.appspot.com/generator/
Also
http://d-project.googlecode.com/svn/trunk/misc/qrcode/js/sample.html
You need to URL-encode each parameter value, in your example, the chl parameter in particular. Most languages have libraries for this these days or a web search for "url encoder " will give you a form.
The url encoding of http://localhost?someparam=1&someotherparam=2 is http%3A%2F%2Flocalhost%3Fsomeparam%3D1%26someotherparam%3D2.
Also, any parameter values to a URL that is itself a parameter value have to be independently URL encoded as well.
As Sean mentions below, if you enter your URL into the form on the appspot page, it correctly URL encodes the chart url:
http://chart.apis.google.com/chart?cht=qr&chs=350x350&chld=L&choe=UTF-8&chl=http%3A%2F%2Flocalhost%3Fsomeparam%3D1%26someotherparam%3D
I'm not sure about your extra / comment. If you go to the URL you give, the code value is
http://localhost?someparam=1
which is what is expected because the chl parameter value is not escaped and therefore ends at the first &.
If an extra character (like a period, comma or a bracket or even alphabets) gets accidentally added to URL on the stackoverflow.com domain, a 404 error page is not thrown. Instead, URLs self correct themselves & the user is led to the relevant webpage.
For instance, the extra 4 letters I added to the end of a valid SO URL to demonstrate this would be automatically removed when you access the below URL -
https://stackoverflow.com/questions/194812/list-of-freely-available-programming-booksasdf
I guess this has something to do with ASP.NET MVC Routing. How is this feature implemented?
Well, this is quite simple to explain I guess, even without knowing the code behind it:
The text is just candy for search engines and people reading the URL:
This URL will work as well, with the complete text removed!
The only part really important is the question ID that's also embedded in the "path".
This is because EVERYTHING after http://stackoverflow.com/questions/194812 is ignored. It is just there to make the link, if posted somewhere, if more speaking.
Internally the URL is mapped to a handler, e.g., by a rewrite, that transforms into something like: http://stackoverflow.com/questions.php?id=194812 (just an example, don't know the correct internal URL)
This also makes the URL search engine friendly, besides being more readable to humans.
I have a gwt url like this
http://127.0.0.1:8888/BiddingSystem.html?gwt.codesvr=127.0.0.1:9997#ForumMessage=918
when I am doing this
Window.Location.getParameter("ForumMessage")
I am getting null??
By the way, I not getting the point why this ?gwt.codesvr=127.0.0.1:9997 in the url!!
To get the value of the URL fragment (the part after the #) call Window.Location.getHash(). This will return all of "ForumMessage=918".
getParameter() returns query parameters, not the URL fragment.
See here for more information about the parts of a URL.
The ?gwt.codesvr= part is needed to run in Development Mode.
Look at this topic GWT URL Parameters
Here is answer
url should be http://localhost:8080/?testing=abc#pg5 instead of http://localhost:8080/#pg5?testing=abc
and delete that part (?gwt.codesvr=127.0.0.1:9997 ) and run it in web mode. I think it will solve your problem