For 2021 - online Python 3 training - see ((here)).
Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.
Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
Using cookies and sessions to connect different URLs - PHP
, and we then use those inputs to apply to all pages and styles on the site.
We're a simple session demonstration showing this in a module from our new PHP Techniques Workshop
that we ran for the first time last week - the source code of the first page is here
and the source of a second page is here
Run the first page here
and each time you do so you'll step through a limeric. Run the other page here
to report on the status of the first page from a different URL.
Practical uses of this? Anything from two applications which need to share data but are maintained by different teams to applications with multiple top level pages - and even captcha technology, where the session is used to link the graphics to the page. More about that latter here
and try in here
(written 2008-05-18, updated 2008-05-19)
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articlesH303 - PHP - Long and short term cookies and security 
Remember Me - PHP - (2008-11-28) 
Handling nasty characters - Perl, PHP, Python, Tcl, Lua - (2009-06-14) 
How to stop forms on other sites submitting to your scripts - (2012-04-15) 
Some other Articles
Looking for files with certain characteristics (Linux / Unix)Easy conversion - image formats, currencies and distancesThe tourists guide to LinuxExchange Rates - PHP with your prices in your users currencyUsing cookies and sessions to connect different URLs - PHPSeeing how others do it - PHP trainingUsing a utility method to construct objects of different types - PythonA lack of technical contentSummer!Tektronix 4010 series / Python Tuples
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