3.98 Regression strategy…………………………………………… 13
3.99 Residual fault…………………………………………………… 14
3.100 Residual Risk…………………………………………………. 14
3.101 Review………………………………………………………….. 14
3.102 Risk……………………………………………………………… 14
3.103 Robust design……………………………………………….. 14
3.104 Safe fault………………………………………………………. 14
3.105 Safe state……………………………………………………… 14
3.106 Safety…………………………………………………………… 14
3.107 Safety architecture…………………………………………. 14
3.108 Safety case……………………………………………………. 15
The ToC is 3 pages long. The whole of the rest of the document is 40 pages. And the “sections” are in alphabetical order [...]
This was going to be a rant about Thus PLC’s online billing system, but I got a bit off track.
There are two types of bad customer service in Britain. I will call them Ltd Company style, and PLC style.
Ltd Company Style is where you get through to someone who may or may not be an [...]
The thing is, if it KNOWS how to do it, why doesn’t it just do it that way?
or, “HELP11 SHIFT IS STUCK ON1″.
If you do not have trouble typing, nor holding down shift while pressing other keys, then you probably don’t need Windows XP’s Accessibility features. If you habitually tap the shift key whilst you consider your next sentence, for example, then you are definitely better off without them.
Tapping shift in [...]
I used to have this DvD player that a friend referred to as “slutty” because it would play anything. Because of this, I’d forgotten about Region Encoding on DvDs. My collection includes US, UK, French and Italian DvDs, none of them stolen, all paid for. My slutty DvD player died (of some kind of electronic [...]
Here are three grades of sign:
Negative
Positive Unresolved
Positive Proactive
MostLes paris sont situ?s dans les coins derri?re la http://www.clicup.com/salles-de-poker-inscrivez-vous-bonification.html en ligne de passe, et les paris sont plac?s directement par les crapsjoueurs. signs are of the negative kind: No Parking, No Dogs, No Ball Games.
This tell you what you can’t do. They seem on the face of [...]
Um…
Warning!
Do not use your browser’s ‘Back’ button as this may cause your transaction to fail and you may have to start again.
If you do need to change any of the information you have entered so far, please select ‘Cancel’ and start again.
In Trojan Printer I made a nearly coherent rant about crappy HP software. Well now I have a Mac, I get to rant about it all over again! Their printer driver puts an icon in the dock (which is for the Trash Can, Finder, and any APPLICATIONS the user it running or has [...]
The AVM Effect
Next time you are designing a customer support service, please be aware of, and avoid, the Animal Vegetable Mineral Effect. I explain.
In the 1980s my school had a game for the BBC Micro called Animal, Vegetable, Mineral, which was a computer implementation of the game 20 questions. The player thinks of something and [...]
On the BBC microcomputer, released in 1981, if you turned the machine off with a disk in the drive you might wreck the disk. So you had to take the disk out of the drive before you switched it off.
If you took the disk out of the drive while the system was writing to [...]