Web site logical path: [www.psy.gla.ac.uk] [~steve] [this page]

Expand tiny URLs, DOIs, QRcodes

The purposes of this page are:

• Handy tool box (launchpad) for expanding short-form URLs I want to follow up.
• Collect basic information on the ones I've seen.
• Links to creating and customising short URLs.
• A demo collection of methods for doing POST.

There are two main types here. First / main sort is ones like 10.1119/1.1845987;   second sort are the square barcode/optical ones (jump to example below).

Old form: http://dx.doi.org/ New form: https://doi.org/"

Creating custom (tiny?) URLs:     http://tiny.cc/     http://bit.do/     http://tinyurl.com/create.php     https://bitly.com/a/ advanced
Also, doi.org seems to do them now as well.
Sequence of URLs from a New Scientist short url:

• cdw7 [pasted into this page]
• https://doi.org/cdw7
• https://10.1126/sciadv.1700489
• http://advances.sciencemag.org/content/3/10/e1700489/tab-pdf
• http://advances.sciencemag.org/content/advances/3/10/e1700489.full.pdf

To look up what country goes with a domain name, type e.g. '.ly' in wikiP here; or look it up (Find command) on this page.

POST / redirect methods

1. Fastest is java: browser-java assembles URL, then follows link. I.e. It's a link, whose href execs java, which does a redirect to a URL(server + / + {IDstring treated as filename} )
2. PHP-redirect: Uses single big FORM-GET, which calls this script again, PHP calcs vars, then sends the browser a redirect in HEAD, which goes there. No reliance on java at all.
3. Direct browser POST as good, though more java exec? Uses java to insert FORM values, then single big FORM-POST. But only DOI supports any GET/POST/request string.

method:	1. Java, redirect	2. PHP, redirect	3. Java, browser POST	4. PHP, PHP POST
Uses Java on this page? (may not work cross-browser)	Yes	No	Yes	No
Uses FORM on this page to compose args	Yes	Yes	Yes	Yes
Number of different servers called?	1	2	1	2
Number of HTTP calls by this browser (to servers)	1	2	1	1
My code	java	PHP, FORMhtml	java, FORMhtml	PHP, FORMhtml
Work by this browser	All use pageRender on result; All compose FORM to gather args from user; 1,3? compose a 2nd FORM's args. 1,3 exec Java

base36 encoding?

WHAT'S WRONG? STILL TO DO?
After page-back in browser after a direct-POST, need to reload page
	location.reload(true); // forces a reload from the server
	OR: location.href = location.href; 
What about < CR> in input box?

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QR codes

[Keyword: "Google goggles"] QR codes are the square black&white patterns that are a new form of barcode; which a (mobile phone) camera can pick up, recog, turn into a URL. See wikiP.

How to deal with this on my desktop computer?

Generate (from text to QRcode)

Can use a web service to generate one from text (often but not always of a URL) e.g.

TO DO
Need to u. button "enctype" better.
Would like to reword the button for browse. 
	Work with java could reveal the object; and then exec java to rename.
	First button in that form, .name = myname.
Want to paste in desktop url.

Could probably have a text input extra element; and use java to copy it to
file element? but that wouldn't get it to read the dir and get the real file
name/handle.
Unless there's a way to open file dlog, but pre-scrolled to file.