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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.
Howto - write and manage a news box on your web page

Q: "I want a Content Management System. What should I select?"

A: I don't know - without asking you further questions!

The web, these days, is mostly about content management, and you may as well say to me "I want to get from 'A' to 'B' - please provide a way." I will have to ask you if A is just along the hallway from B (in which case all you need is a key), or it could be that A and B are on different continents (needs airline ticket, passport ...)

The most common CMS requirement of all is for a single page with content that's mostly static, but where a "latest news" box can be changed as required by the non-technical customer. Such a requirement can easily be met with a few lines of PHP, and I wrote an example during yesterday's course as a demonstration. You can see the page here (opens in separate window) as it's seen by the regular user. By adding an extra code onto the URL, though, it's provided with an exit box too - here - in which you can change the text and save it.

Regrettably, not everyone online is benign, and you need to be very careful to consider the security of even a simple application like this. In ours, the data you enter is "scrubbed" clean before it is echoed to prevent many attacks, and of course you should keep your back door / password secret and not publish them in a public page link (like I have done in the paragraph above!). However, these issues are easy to overcome if you take the right advise and think them through carefully.

If you want to learn about the techniques I've described above, you can have a look at the complete source code here. We also offer PHP Programming courses which cover the subject background or if you're looking to go more advanced, we'll actually be using this example as the start of our PHP Techniques workshop the week after next!
(written 2008-09-06, updated 2008-09-11)

Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
H300 - PHP Revision
  [1615] PHP training courses every month - (2008-04-18)
  [2742] A simple server benchmark script - (2010-04-27)
  [3952] PHP revision ... by example. - (2012-12-15)
  [3953] Objects in PHP - Revision - (2012-12-16)
  [4050] A couple of new fast-start PHP examples - (2013-03-21)

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Python 2 to Python 3 / Python 3000 / Py3k
Some other Articles
The road ahead - Python 3
Sharing variables with functions, but keeping them local too - Python
Looking for a value in a list - Python
Python 2 to Python 3 / Python 3000 / Py3k
Howto - write and manage a news box on your web page
Picturing the rain
What is running on your network? (tcl and expect)
Global - Tcl, PHP, Python
Think before you send
Calling procs in Tcl and how it compares to 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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