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572 - Giving the researcher power over database analysis
Sometimes, you'll be able to define the queries you'll be doing on a database to a number of specific types, but in other applications you'll be able to narrowly define how you do your joins, but you'll have a wide variety of extraction requirements. This sort of requirement is typical of medical ....

571 - Well House Manor
The background - we've been running open source training courses in Melksham for more than 5 years, and we foresee ourselves doing so into the future. We love the town, we have a good customer base, and the work is great fun as well as being work. Being in a niche market, our delegates travel far ....

570 - Features and Benefits
Many years ago, I was sent on a sales training course. Truth be told, I didn't want to go but I had a wise boss and I decided to make the most of it. And it turned out to be something that I look back to with some pleasure as it did so much for me. In other words, it was a huge benefit. It provi ....

569 - Instructions for bright people
"Graham, I doubt that the guy will understand that." writes another contributor on a forum where I post, following up on my instructions to change a password and login name embedded within a sample script. On one hand it's easy - all too easy - to overcomplicate instructions and to go into too much ....

568 - NB ''Aspiration''
I was walking around the back streets of Melksham with morning and I passed a house with a steel narrow boat on the drive; covered in tarpaulins and with some green algae / moss growing on what had been, I'm sure, pristine black paint work at one time. Grass was growing up through the flagstones a ....

567 - Combining similar rows from a MySQL database select
If you're selecting data from a MySQL database and you want to report back the total or average for a column, you can use a function such as avg or sum on the column. If you want to choose only certain records to include in your sum or average, add a WHERE clause and if you want to produce a separ ....

566 - May all your screw-ups be big ones
Isn't the ability to communicate with lots of people all at once great? No longer the need to envelope 50 letters and put them in the post - just a quick mailing list program. But that does mean that as well as getting through very quickly, you can really make a mess of things very quickly too. ....

565 - Using PHP to output images, XML, Style sheets, etc
PHP is usually used to generate a stream of HTML to be sent to the browser, but if you use the header function within your page you can use it to send any other type you wish. For example, if I include header("Content-type: image/jpeg"); then I can script the production of images. Easy? Yes, b ....

564 - Open Source training from Well House Consultants
Just occasionally, it's work going back to basic - who we are and what we do. Lisa wrote a great introduction this morning when filling in a form. With her permission, I'm sharing it with you: "Well House Consultants has been training OpenSource computer programming for the past 10 years. All ma ....

563 - Merging pictures using PHP and GD
I wanted, regrettably, to fade (tear) one picture into another - a train at Melksham into a picture of a disused railway trackbed. We have one of those nearby at Seend, where the Trowbridge - Devizes - Reading - London train service used to run. Here's another 2 options I looked at: and Th ....

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