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240 - Conventional restraints removed
IT without boundaries So say the coffee mugs where I'm training this week - a company motto that seems very appropriate when I'm teaching about Perl's lists. Most languages allow you to define a whole series of values in a single variable (an array), but if you're writing in C or Java, you're probab ....

239 - What and why for the epoch
The Epoch occurred on 1st January 1970 ... at midnight, at the start of the day, GMT. It's an important concept in many programming languages, which work with times and dates before and after the epoch - it means that you can compare dates and times easily, even where month ends and different timez ....

238 - Difficulties with a trolley
A poor decision but a great insite. I'm in a hotel "a couple of hundred yards" from the place I'm training at this week, and I decided to leave my car here rather than load it up with all the equipment and drive "round the corner" to unload it again. After all, I have a wheeled trolley and the roa ....

237 - Crossfertilisation, PHP to Python
Rasmus Lerdorf's "Do you PHP" talk on our Geek Cruise last October was brilliant - I heard so much about what's behind PHP and how its originator intends it to be used that it give me a real strong understanding of best practise - you'll find further details availble here and elsewhere on this site. ....

236 - Tapping in on resources
When it comes to producing new examples for a course, where better to look than close to home? Yesterday, I was looking for an example to use when I was covering object design in Python and I hit upon working with taps and the water suppy to them.Looking around, we have quite a few taps here; sever ....

235 - Preparation for a day's work
Yes, I'm writing "The Horse's Mouth" very late today. It was one of those days where the early morning before the trainees arrived leaked away like water between my fingers, and sending the PHP examples that yesterday's trainees wrote on to them and getting ready for today's tailored advanced Pytho ....

234 - How to get the best from your supplier
I dislike chasing late payments. It's such a waste of time and effort that could be better used elsewhere. There are still a number of companies out there who seem to feel that they don't need to pay us until they're reminded that their money is overdue (and we bend over backwards to accommodate ....

233 - Giving customers best value
Have you ever felt "stung" by the cost of a phone call? The opening up of the telecoms market in the UK has lead to some fabulously good prices, but also many opportunities for people to offer expensive services - and it's often a case of "snooze and you loose". In order to keep the cost of teleph ....

232 - Diverse activities
What a diverse repository of information I have become. I was writing about the Suliman Mosque, the Blue Mosque and the Tokapki palace in Istanbul at first light, discussing the copyright issue on postcodes and block postcode lookup databases during the morning, and here I am this afternoon reviewi ....

231 - Feedback as lifeblood
I sleep easily and went to bed early on Friday night. But a TV program had me attentive and delayed my slumbers for a while. Subject? The success of EBay; now with a turnover that beats many countries of the world and growing rapidly all the time. I'm not a great "ebayer" myself. I have done it, ....

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