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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.
Simple but rugged form handling demo

There are some weeks (OK - MOST weeks!) where I have great fun during training course writing examples in front of the class that help with their application of the subject being taught. And this is one of those weeks.

It's an added pleasure where the demonstrations are web based, because I can then put a running copy up onto our web site and share the fun with everyone.

Here is a little demo - nothing too complex - that lets you enter in some values to a form. It validates the entries, gives you opportunities to correct errors without having to rekey everything and produces a nice final result. Not rocket science, but the sort of thing so many web sites need. As it's a training example, I'm able to put up the source code too and I've even built in some documentation.

Oh - the application is also "bullet proofed" so that users are prevented from doing lots of the nasty things that can be done to an interactive web page ... or rather, if they try, they'll be thwarted!
(written 2006-03-10, updated 2006-06-05)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
P406 - Perl - More CGI Programs and Facilities
  [1009] Passing GET parameters through Apache mod_rewrite - (2006-12-27)
  [1187] Updating a page strictly every minute (PHP, Perl) - (2007-05-14)
  [2321] Uploading and Downloading files - changing names (Perl and PHP) - (2009-08-04)

P404 - Perl - Extending Flexibility Using CGI
  [426] Robust checking of data entered by users - (2005-08-27)
  [590] Danny and Donna are getting married - (2006-02-03)
  [1365] Korn Shell scripts on the web - (2007-09-25)

P221 - Perl on the Web
  [433] FTP - how to make the right transfers - (2005-09-01)
  [493] Running a Perl script within a PHP page - (2005-11-12)
  [662] An unhelpful error message from Apache httpd - (2006-03-30)
  [687] Presentation, Business and Persistence layers in Perl and PHP - (2006-04-17)
  [975] Answering ALL the delegate's Perl questions - (2006-12-09)
  [1198] From Web to Web 2 - (2007-05-21)
  [2551] Perl and the Common Gateway Interface - out of fashion but still very useful? - (2009-12-26)
  [3875] Using CGI and Perl to put a simple application online. Sometimes still the best way. - (2012-09-30)


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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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