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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.
Flipping images on your web page

Are you seeing this picture the right way up, or upside down?



If you're seeing it the right way up, you're using Mozilla, Firefox, Safari, Netscape or almost any other browser ... except Internet Explorer. With Internet Explorer, it might be up side down!

This is no "failure" on the part of some versions of Internet Explorer - it's just that the img tag in Internet Explorer allows style="Filter:FlipV" to flip an image vertical, whereas that tag isn't defined for other browser. Best avoid it, I think!

I came across a need to flip an image the other day ... which is why my research lead me to that discovery; in most situations, I would simply have used Photoshop to invert the image but as the image in question was a dynamic feed from a webcam, that option wasn't open to me.

Let's see what I can do ...



Yep, that's better (and, yes, PHP again ;-) source code )

and Yet more pictures!
(written 2008-01-26, updated 2008-05-10)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
W509 - Web and Intranet - Style
  [1019] span and div tags - a css comparison - (2007-01-02)
  [1034] The new web site look spreads - (2007-01-15)
  [2223] CSS Style Diagrams - working out where attributes come from - (2009-06-08)

W508 - Web and Intranet - Which Browser?
  [2135] What features does this visitors browser support? (PHP) - (2009-04-22)
  [3128] How does your browser find out about itself? - (2011-01-11)

H999 - Additional PHP Material
  [54] PHP and natural sorting - (2004-09-19)
  [239] What and why for the epoch - (2005-03-08)
  [320] Ordnance Survey - using a 'Get a map' - (2005-05-22)
  [322] More maps - (2005-05-23)
  [337] the array returned by preg_match_all - (2005-06-06)
  [372] Time calculation in PHP - (2005-07-08)
  [468] Stand alone PHP programs - (2005-10-18)
  [483] Double Dollars in PHP - (2005-11-02)
  [493] Running a Perl script within a PHP page - (2005-11-12)
  [563] Merging pictures using PHP and GD - (2006-01-13)
  [603] PHP - setting sort order with an associative array - (2006-02-13)
  [665] PHP Image viewing application - (2006-04-01)
  [687] Presentation, Business and Persistence layers in Perl and PHP - (2006-04-17)
  [789] Hot answers in PHP - (2006-07-02)
  [806] Check your user is human. Have him retype a word in a graphic - (2006-07-17)
  [822] PHP - a team member leaves - (2006-08-04)
  [839] Reporting on the 10 largest files or 10 top scores - (2006-08-20)
  [917] Syntax checking in PHP - (2006-11-07)
  [937] Display an image from a MySQL database in a web page via PHP - (2006-11-22)
  [1010] Dates, times, clickable diarys in PHP - (2006-12-28)
  [1020] Parallel processing in PHP - (2007-01-03)
  [1053] Sorting people by name in PHP - (2007-01-26)
  [1104] Drawing dynamic graphs in PHP - (2007-03-09)
  [1194] Drawing hands on a clock face - PHP - (2007-05-19)
  [1270] PHP Standalone - keyboard to screen - (2007-07-18)
  [1389] Controlling and labelling Google maps via PHP - (2007-10-13)
  [1390] Converting from postal address to latitude / longitude - (2007-10-13)
  [1391] Ordnance Survey Grid Reference to Latitude / Longitude - (2007-10-14)
  [1451] More PHP sample and demonstration programs - (2007-12-01)
  [1485] Copyright and theft of images, bandwidth and members. - (2007-12-26)
  [1505] Script to present commonly used images - PHP - (2008-01-13)
  [1623] PHP Techniques - a workshop - (2008-04-26)
  [2073] Extra PHP Examples - (2009-03-09)
  [2215] If nothing, make it nothing. - (2009-06-02)
  [2684] Exception handling in PHP - (2010-03-18)
  [3118] Arrays of arrays - or 2D arrays. How to program tables. - (2011-01-02)
  [3210] Catchable fatal error in PHP ... How to catch, and alternative solutions such as JSON - (2011-03-22)
  [4655] Image indexer / thumbnail display scripts in PHP - (2016-02-25)


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Terms and Conditions - Hotel, England - plain English
Some other Articles
Ive just received an email from myself. Should I be worried?
Paging Martin Noke, who petitions for more trains from Trowbridge to Swindon
Evening drive across the roof of Wiltshire
Terms and Conditions - Hotel, England - plain English
Flipping images on your web page
Downloading data for use in Excel (from PHP / MySQL)
Python - formatting objects
Pictures you can use - for free - from our library
Keeping staff up to date on hotel room status
Autovivification - the magic appearance of variables in Perl
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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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