Big in Bedfordshire

Continuing on the theme of “Imitation is the sincerest form of flattery” I’ve noticed a bit of traffic on my blog post from 2013 introducing the coursework that I’d set that year for the first year programming course. When I was teaching I had a strict policy of always creating new software scenarios because of the dangers of recycled solutions.

It seems that the folks at the University of Bedford are a bit less fussy. There are some changes to the original text that I set but apart from that it’s the same. Oh well.

In search of ancient files...

It turns out that my original C programming notes are coming back into fashion. Thanks to the archiving efforts of a site in China (thanks foks) I’ve managed to get hold of the PDF of the notes, but I can’t find the 25 year old original of the document. I’ve spent a big chunk of today turning on ancient laptops and finding that their disks don’t go round any more, including this one above. I think the platter has kind of stuck. Or something. I’m tempted to open it up and give it a tiny twirl. After all, it can’t make things worse……

Good Friday Sounds

Number one son has been buying vinyl. Just like I was doing forty years ago. In celebration we got his B&O system down from the loft and fired it up. It used to be my dad’s pride and joy, and it was wonderful to hear it back in action. The word was that if it didn’t go bang when we powered it up it would probably work fine. And it did. There’s something about proper analogue sound that I really like. Perhaps I’ll get my deck (and all the records) down and have a go some time.

Gardening

I’m not that keen on gardening. It seems to me that you can spend ages making the garden look nice and then, only a few years later, you have to do it all again.

Sometimes it’s more frequent than that.

The latest re-modelling involves the removal of stuff. I’m quite good at this, although I’m a bit of a blunt instrument and I’ve been known to generate a lot of “collateral damage”. Today I was carefully programmed with the items to destroy and left to it.

Pro tip: If you are removing something substantial from your garden, don’t cut it down to ground level before trying to dig out the roots. Leave a nice long stalk to use as a “handle” to give you some leverage on the stump. I did this, but the person who’d chopped down a whole bunch stuff before me hadn’t. As a result I had a happy five hours digging round the tiny bits left, chopping and sawing roots and using appropriate language.

I’ll tell you one thing though, if you think I’ve had a bad day, the objects of my attention had a much, much, worse one…………

Being polite pays off

I’ve started saying please to my electronic devices. This is not because I’m super-polite (although I like to think I am). My reasoning is that if you put “please” on the end of a request the device can tell that you’ve finished your command, and that it needs to go off and work out what it means and then do it.

From my completely unscientific testing I’ve found that it does slightly improve accuracy and response. Which is nice. I might start saying thank-you next.

Drain Unblocking Etiquette

Truly an amazing device

Arrive home on Valentine’s Day to hear the three little worlds that can change your life: “The toilet’s blocked”. Oh well.

The thing with tools like drain un-blockers is that you can only find them when you don’t need them. And so it was on this occasion. Fortunately we have awesome neighbours who are much better at keeping track of their stuff than we are. They were able to lend me a device like the one above. It really is wonderful. You pump air into the reservoir and then release it into the blocked pipe using the trigger. After a couple of blasts we were good to go. And all in time for tea.

What with me being so flushed with success (as it were) I kind of lost track of the fact that I’d borrowed next-door’s sink un-blocker and stuffed it down our toilet. I’d washed it carefully and all, but still….. So it was on to Amazon to track down a clean replacement. It arrived today and I’ve dropped it round. Now, between us we can just about handle anything.

Back in Harness

One of the things I really miss about working at the university is standing up in front of people and telling them stuff. I’ve tried it on busses and trains and it just doesn’t work in the same way, what with the shushing and the telling me to sit down and shut up.

But in a week or so I’ll be back at the university for a short run, talking about digital electronics. I’m doing a bit of teaching for the Mechatronics course and I’ll be regaling an enthralled audience with tales of boolean algebra, De Morgan’s Theorem and Karnaugh (first name Maurice) Maps.

I’m going to enjoy it, I’m not sure what the audience will think…..

Buying train tickets is harder than it should be

I hate it when things make me feel stupid. Buying train tickets online seems to be one of these situations. I wanted to buy some tickets to go from from Hull to London on Saturday. My normal approach (use the phone) was thwarted by the error message “Ooops. Something went wrong” when I tried to complete the purchase.

So I headed off to the web. And was met with the above. This is the page for Hull Trains, but lots of companies use the same UI, so I’m not happy with them either.

Questions abound. Why are the prices not shown? What do the buttons on the top actually mean? Why is the page called a Mixing Deck? And what on earth happens when you press the “Lowest fare finder”? Ugh.

After a bunch of experimental clicking and tweaking I finally managed to select the same trains that the phone wouldn’t let me buy. And I was told that there were no tickets available at that price. So “Ooops. Something went wrong” actually means “I’ve told you about some tickets that aren’t actually available".

So, train people, just a word here. When I go to a site to buy some tickets I want a list of journey options with a price next to each one. And I don’t want you to show me journeys that, for marketing reasons, you’ve decided not to sell me any more.

Negotiator Rob

Sometimes I manage to surprise myself. Like today, when I was buying some new tyres for the car:

BMW Sales Person: Names Price
Rob: Names Lower Price
BMW Sales Person: “I’m afraid that would mean we’d have to sell you the tyres at cost price.”
Rob: “Hmm. I can’t see a problem with that”.
BMW Sales Person: “Yes, but that would mean that we would not make any profit on the sale.”
Rob: “Still searching for a problem for me, still not finding one”.
BMW Sales Person: “OK then”.

Now, I realise that “cost price”, is an interesting phrase, and that somehow the garage will be making money on the deal. But at least I didn’t take the first price that was offered. And for me that is a great step forward.

The Virtues of Virtual Machines

I spent a chunk of today building a brand, shiny, new, Virtual Machine on my PC. Each time I do this I’m impressed by how easy it is.

I want to record some installation videos and I want a clean machine to do that with. Also, it’s wonderful to be able to wind back the machine to pre-install state so that you can have another go.

I had to work quite hard to get the machine to let me create a local user, and not link up to an online account, but it is still possible to do this.