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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.
Javascript/HTML example, dynamic server monitor

There are times I want to keep an eye on our servers, but I don't really want to redraw my whole browser window (or even a frame!) to do it. So I've written a Javascript application to run in my browser (source code here) that calls up a tiny piece of PHP on the server (source code here) and replaces just the changing part of the page every 10 seconds.

This is a screen capture of the changing part of the display - which has been kept small to make it very smooth indeed, and as the page is primarily for staff use there's no need to provide long descriptions within the table. You can try it out here, and I have added some static examples and descriptions to help you along if you're looking to do something similar.

If you would like to do something like this yourself, but aren't sure of the PHP - have a look at our PHP course. If you're happy with PHP basics, but aren't sure of how to apply techniques in examples like this, our PHP Techniques Workshop can help. If you need to learn Javascript - please email me and I'm sure I can help ;-) by providing some training for you.

(written 2008-09-28)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
W602 - Web and Intranet - Client Side Technologies
  [411] Javascript examples (some PHP and MySQL too) - (2005-08-13)
  [522] Javascript events - a good example - (2005-12-09)
  [1322] Flash - is it available to your web page? - (2007-08-26)
  [1681] Adding a button to a web page to print the page - (2008-06-18)
  [1749] Using server side and client side programming together - (2008-08-11)
  [1812] Starting Ajax - easy example of browser calling up server data - (2008-09-27)
  [1813] Ajax - going Asyncronous and what it means - (2008-09-28)
  [2390] Dynamic / changing images on your web page - (2009-09-01)
  [2628] An example of an injection attack using Javascript - (2010-02-08)
  [3128] How does your browser find out about itself? - (2011-01-11)
  [4277] Sending a message to the server and changing text on a page when a button is pressed - (2014-05-23)
  [4310] Problem ... I want to print a series of numbered forms - (2014-10-05)

W510 - Web and Intranet - Executable Content
H307 - PHP - Web2 and caching
  [1633] Changing a screen saver from a web page (PHP, Perl, OSX) - (2008-05-06)
  [1647] Exchange Rates - PHP with your prices in your users currency - (2008-05-19)
  [1733] memcached - overview, installation, example of use in PHP - (2008-08-02)
  [1926] Flash (client) to PHP (server) - example - (2008-12-06)
  [1995] Automated server heartbeat and health check - (2009-01-16)
  [2196] New Example - cacheing results in PHP for faster loading - (2009-05-24)
  [2321] Uploading and Downloading files - changing names (Perl and PHP) - (2009-08-04)
  [2545] Scraping content for your own page via PHP - (2009-12-21)
  [3029] PHP data sources - other web servers, large data flows, and the client (browser) - (2010-11-04)
  [3094] Setting your user_agent in PHP - telling back servers who you are - (2010-12-18)
  [3186] How to add a customised twitter feed to your site - (2011-02-27)
  [3458] On this day ... one PHP script with three uses - (2011-09-26)
  [3955] Building up from a small PHP setup to an enterprise one - (2012-12-16)
  [3999] Handling failures / absences of your backend server nicely - (2013-02-08)
  [4055] Using web services to access you data - JSON and RESTful services - (2013-03-29)
  [4075] Further recent PHP examples - (2013-04-28)
  [4106] Web server efficiency - saving repetition through caches - (2013-05-30)
  [4136] How do I post automatically from a PHP script to my Twitter account? - (2013-07-10)
  [4627] Caching results in an object for efficiency - avoiding re-calculation - (2016-01-20)


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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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