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Dave F's Blog

Life just gets better - well somethings do

By Dave F in Reader

Posted in Home on October 9, 2008 at 10:18 am

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I’m not sure if this is about technology or engineering - maybe I should look up the definitions but I’m not that bothered… What I’m fascinated by is how even the simplest things can be made better.
I needed to put a 13 amp plug on an appliance the other day and I had an ancient rather stylish brown (bakelite I assume) one laying around so I thought I’d use it. I could see it was chunky (you need a decent space to use it as it is 23mm deep) and brittle (but I didn’t intend dropping it or using it in rough environment) so I thought it would be OK - a plug is a plug right?
No, the screw holding the cover on is not captive so you lose it, the terminals are nuts (hex with a slot to take screw driver, as long as the driver is wide enough to span the nut). As they are nuts you have to wrap the cable under them (& a washer) hoping you’ve done in the right way so it doesn’t screw out as you tighten them. As you do tighten them the strands of copper spread as far as they can. The Live terminal is under the fuse so you have to remove the fuse to reach it and the cable grip is some kind of fibre board so over tightening will soon strip the threads.
So there you go, hurrah for the steady improvement in design and materials / manufacturing techniques that affect even the meanest areas of life.

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Abba

By Dave F in Reader

Posted in media, the web, music, Blogs on October 2, 2008 at 9:52 am

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I feel bad referring to an MSN blog - call me a snob for decrying the populist but let’s face it most MSN stories are about Britney or X Factor or something else no one should care about - however… http://entertainment.uk.msn.com/music/features/article.aspx?cp-documentid=9617667&ocid=today>1=61501 is just so right. Abba - clever, competent, catchy but not great.

I’m tempted to say not music but that would be unfair. Music doesn’t have to be inspiring, life changing art but it can be  and anything that isn’t just shouldn’t be lauded - it can be enjoyed but not worshiped.

If Miles Davis’s “Kind of Blue” is Manet’s “The Bar at the Follies Bergere” then Mama Mia is the tennis girl scratching her bum - cleverly done and not without a simple (if guilty) pleasure but it ain’t great.
But  maybe I am just a snob  decrying the popullar.

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Think of an IP number, any number…

By Dave F in Reader

Posted in Funny, QT, the company on October 1, 2008 at 8:24 am

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QT has been part of Nokia for a while but they seem to have started making their changes. Having been bought out once or twice I can assume most of the changes will be pointless ones that make the parent company feel in control and give waste of space managers something to do (bitter? me?) but their latest mail shows signs of real innovation

  • Modular architecture for feature selection
  • IP communications framework based on Telepathy
  • New Qt UI Test, a tool for automated system tests 
  • New reference design - Video IP Deskphone

Wow, IP telepathy - makes routing tables a thing of the past…

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Phone Scam!

By Dave F in Reader

Posted in Funny, media, Home, Security, Uncategorized on September 23, 2008 at 6:46 pm

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I think I may be the victim of a “phone scam”. This morning two lasses came round claiming to be students just moved into the house a couple of doors a way. The said they were trying to set up their internet connection  but they needed a corded phone to check the line - of course they all had mobiles but not much use! In the spirit of kindness I lent them a phone, but it hasn’t some back.

I’ve read about phone scams but didn’t really know what one was until now. I expect the guys from the real hustle are explaining what you can do with four thousand used land line phones…

Update! They just brought it back, with thanks and cake (students feeding me? isn’t it supposed to happen the other way round?).  People being nice to each other, I’m sure this is more frequent occurrence than The Daily Mail would have us believe but they make their money out of worrying the worried with “news” of real scams. If we weren’t worried we wouldn’t buy the rag so they have keep up worry levels to keep up sales.

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Get the Website Right!

By Dave F in Reader

Posted in Open Source Software, the web, Coding, Blogs, e-commerce on September 22, 2008 at 9:04 am

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I blogged a while back about the exciting(!) purchase of my new Dyson http://www.itpro.co.uk/blogs/davef/2008/09/09/hoovering-up-engineering/

I’ve just had an email asking me to write a review. Being an opinionated guy and someone who values user reviews I thought I would just type a quick “yes it works” at http://www.comet.co.uk/shopcomet/product/406848/DYSON-DC14-ANIMAL. but what do I get?

“Done, but with errors on the page” and no chance of making an entry.

I’m using ie 6.0.2800 - if it don’t work with that what does it work with? More to the point what did the designers check it with?

The email is from a  no reply address and I’ve got better things to do then spend 20 mins trying to get a contact address from the the website so the world will have to live without my opinion. Anyway it may explain why there are so few user reviews on the Comet site!

Stop press on that - I have tried to track down a contact and on their “contact” page I noticed “we recommend using the Firefox web browser ” I’m cool with OSS but things do need to work with MS stuff if you want to maximised your audience!

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Sold Short

By Dave F in Reader

Posted in In the news, faith, Northern Rock, e-commerce on September 18, 2008 at 9:01 am

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How can it be right for a bunch of rich guys to make money out of MAKING misery for the rest of us?
By selling short (http://en.wikipedia.org/wiki/Short_selling) you can gamble on a share price falling. The problem is if you are big enough you can influence the price down just by selling, so by selling short you push the price down and increase your odds (guarantee would be pushing it) of making a profit. Even worse if the target is a bank (like Halifax / HBOS) as you push the share price down little people (in financial terms) panic and remove cash and so the circle is made more vicious. The price falls more and some people make lots while the rest of us run the risk of our  bank crashing and see millions wiped off our pension funds.
Fortunately HBOS now looks safe - I say fortunately as that is where my savings(*) are but not so fortunate for the thousands that will be looking for work once the merger has maximised its efficiency savings… 
Short selling seems to be a way for the rich to gamble and the richer you are the better the odds which doesn’t seem fair but what seems criminal is that the rest of us suffer as a consequence. Isn’t there a way to stop it?

(*Savings - don’t worry I don’t really have savings they are just offsetting my mortgage!)

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Programmers Documentation - the doxygen way

By Dave F in Reader

Posted in Open Source Software, QT, Coding on September 16, 2008 at 11:03 am

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I have been producing some programmers documentation. The shrieks of horror (or snores of boredom) that normally accompany such a statement have been mercifully short. I have been using doxygen http://www.stack.nl/~dimitri/doxygen/ (more info at http://en.wikipedia.org/wiki/Doxygen). It took a bit of fiddling to get it set up (and it needs a bit more, I seem to have to hard code the directories rather than go relative from the working dir - any help always appreciated!) but seems OK now.
Things I’d recommend are enabling the pre-processor, disabling all output except HTML (until you have a good set up - you may want some other output at the end). If you’re using QT add moc_*.* to the exclusion list. If you’re using SVN excluding the svn dirs is a good idea (I think I did this but I can’t remember how!), don’t hide undocumented classes / methods, add links to the actual code (source browser) and use the built in class diagram generator. Some of this you can do from the wizard. The excludes & the pre-processor I did from expert mode, I also set the “strip from path”, turned on all the extract all / private/ static / local turned off strip code comments, requested an alphabetical index (you can’t have too much info can you?). A nose around the human readable config file is also a good idea just to give you a better idea of what can be done. Whether you choose plain HTML or frames is up to you, frames look better but my ie is set to disable active content so it is not so good to use.
Anyway, there is a certain satisfaction in generating stuff you can click on and see diagrams in without having to type it all in. The whole process is much more like the program / build / test sequence that developers are used to than the boring old type it & proof read it methods of old.
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Worried about the Big Bang or just a small beep?

By Dave F in Reader

Posted in e-commerce on September 10, 2008 at 3:51 pm

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I don’t know about the end of the world - though my son keeps pointing out CERN won’t get round to colliding things for a while (in fact they are ahead of schedule and may even start today!) - but I had a more serious worry myself.

I few nasty beeps like a disk in pain, windows “hard error” messages and I had to power off the PC yesterday. Today it tried to boot from the CD as there weren’t any hard disks :-(

I took the PC apart waggled some wires and I’m typing on it now.

Maybe we should all take it as a hint to BACK UP. The trouble is removable media is always so far behind fixed disks. Just when CD’s seemed a good option HDD’s leaped up to the 10’s of GB. Even with a DVD writer how am I supposed to back up 40G?

I actually have some removable drives - biggest spare I’ve got is about 10G though. I guess it’s time for a usb hard drive. I noticed when doing the weekly shop that Tesco (can you remember when the thought of a supermarket selling hard disks was insane?)  had a 150G USB drive for about £50. Be cheaper still on ebay I guess - but harder to return if it’s faulty.

Can you remember when buying a spare hard disk for backup would have seemed insane?

I’ve just checked out PC World online. What’s the difference between Desktop External Hard Drives and Portable External Hard Drives - apart from one gets 500GB & the other only 150 for abou the same cash?

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Hoovering up Engineering

By Dave F in Reader

Posted in education, Home, e-commerce on September 9, 2008 at 2:45 pm

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Having finally given up on my Hoover which needed its filters cleaning after every room (seriously!) I found a cheap (relatively) Dyson online at Comet (the animal at £200 is way below Dyson’s own price). I have just been to www.dyson.co.uk to register it and from there drifted across to http://www.jamesdysonfoundation.com/ to have a look at ways they are encouraging engineers. They seem to do stuff with schools and all sorts so if you have young (potential) engineers around you may wish to take a look.

One thing that was a bit depressing was that the downloadable diagram for making your own cyclone was a JPG in a ZIP file. What kind of engineering example is it to put a lossy compression like JPG inside a lossless compressed container (ZIP)? Hardware guys, what do they know?  ;-) Once you have downloaded (and unziped!) the diagram you can make your own cyclone but it still doesn’t explain how it extracts the dust. Wikipedia it is then… http://en.wikipedia.org/wiki/Cyclonic_separation

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X factor Rant!

By Dave F in Reader

Posted in In the news, faith, media on September 4, 2008 at 12:50 pm

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The X factor is back. That people watch it I can believe, that intelligent caring people watch it I believe but only because I have witnessed them doing it. The humiliation of obviously incapable people for the purpose of entertainment is obscene.
We used to open our mental hospitals for the public to go and laugh at the deranged but society has thankfully moved on. Or not, it seems to have moved back as now we televise them and get Simon Cowell et al get to poke them with sharp stick to make them cavort some more. It may just be an emotional stick but I don’t think even the Victorians allowed that sort of thing.
I expect it is quite funny, Mr Cowell can probably be quite witty and the contestants deserve it - no they don’t. Laughing at someone who thinks they are going to be great entertainer when they patently lack basic social skills has no more merit than laughing at someone who thinks they are Napoleon. I appreciate not all the contestants are mad but some obviously are.
I personally would rather watch a public execution - at least the victims have been convicted of something.

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