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For all the hundreds and thousands of pictures that I've taken, there are many occasions that I think "I would like a picture of xxxx that illustrates yyyy" and find that I've not got one. I think it was my fifth entry on 'The Horse's Mouth' where I talked about looking for a picture of a donkey . ....

1202 - Returning multiple values from a function (Perl, PHP, Python)

Function in PHP and Python and subs in Perl can only return one "thing" - one item, one object. But all three languages allow that returned item to be a collection - in other words, a composite. And all three languages provide a very easy way of breaking the returned structure down into a series of ....

1201 - No switch in Python

Question There's no switch statement in Python. Why not? (Poor) Answer Because there's no need .. you can use a series of if and elif statments. And we can't do it in Python because there isn't a label syntax that would be needed for case. Better Answer If you come to write some code where a swi ....

1200 - Training information - England, Scotland, Wales and Ireland

When you choose your training with us, you have a choice between having us come to you (that's typically the best option for a large group), or coming to us for a private course (ideal for a handful of delegates) or for places on a public course (if you want to place just one of two delegates. To p ....

1199 - Testing for one of a list of values.

Question [PHP] When you have a string of conditions in an 'if' clause and one side of the conditional expression is the same in each condition, is there any shortcut to avoid writing out every expression in full. For examples, rather than writing if(($name!='Lisa')&&($name!='Leah')&&($name!='Christi ....

1198 - From Web to Web 2

"How do these technologies relate to Web 2?" asked one of my customers last week as we studied Apache httpd and Apache Tomcat. And of course that's followed up by the need to answer the question "What is Web 2". Initial web sites - "Web 1" if you like - were discreet information sources provided ....

1197 - Back off home with our best wishes

Tyler and Alyssa - [step]son and Daughter-in-law - left yesterday morning to return to Florida at the end of their honeymoon here. Theirs is such a whole different way of life and attitude. Here, they seemed rather like fish out of water. I felt frustrated in not giving them a magic time - on my ter ....

1196 - The last tree to leaf

Last summer and autumn, we had a great deal of tree work done at Well House Manor - catching up on years of neglect, clearing leylandia that had become a source of friction between the previous owner and her neighbours, and clearing the way for an improved entrance, driveway and parking. In the en ....

1195 - Regular Express Primer

Over the years I've been teaching people about Regular Expressions, I've learnt what does and doesn't work in such tuition. A casual question I saw yesterday got me writing, and I've just posted up a new technical article to the solution centre - see here (it will open in a separate window). It's ....

1194 - Drawing hands on a clock face - PHP

Would you like to draw clock face hands on to an image (such as the one shown here, with the time in UK when you called the page up!)? It's easier than you think using PHP's GD module. Instead of supplying a fixed image in your <img> tag, provide the URL of a PHP script that reads an image ....

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