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by rurwin
Tue Jan 17, 2012 9:13 pm
Forum: General discussion
Topic: How to protect the filesystem without a save shutdown button?
Replies: 61
Views: 26430

Re: How to protect the filesystem without a save shutdown button?

"shutdown -h now"

then wait for the message telling you it is OK to switch off. That's the way we were all doing it (even in Windows) in 1995 before the smart switches came in and the PC could switch itself off.
by rurwin
Tue Jan 17, 2012 8:53 pm
Forum: General discussion
Topic: How to protect the filesystem without a save shutdown button?
Replies: 61
Views: 26430

Re: How to protect the filesystem without a save shutdown button?

<t>Children, and adults, are not what they were in "our day". You could switch off a Commodore 64 or a BBC Micro, even a PC running DOS without a second thought. Nowadays everyone knows that you have to shutdown first. My guess is that it will not be much of a problem, and even if it does bite the o...
by rurwin
Tue Jan 17, 2012 2:24 pm
Forum: General discussion
Topic: How to protect the filesystem without a save shutdown button?
Replies: 61
Views: 26430

Re: How to protect the filesystem without a save shutdown button?

What about on a model A? No USB storage, no network.
by rurwin
Tue Jan 17, 2012 12:37 pm
Forum: Other projects
Topic: Diaspora "SEED"
Replies: 15
Views: 7977

Re: Diaspora "SEED"

<t>D* worries me.<br/> <br/> They are making it what they call decentralised, but it isn't really decentralised. It is difficult to host a pod, and there are disadvantages to being on a small pod. (At least last time I was following it, you could only search for users or tags locally.)<br/> <br/> So...
by rurwin
Tue Jan 17, 2012 11:46 am
Forum: General discussion
Topic: Water-peel Transfers
Replies: 5
Views: 1404

Re: Water-peel Transfers

I wonder if the company you use to produce the stickers also produces water-peel transfers.

There's a lot of DIY cases to be produced over the next few months, and transfers look more professional than stickers.
by rurwin
Tue Jan 17, 2012 11:32 am
Forum: General discussion
Topic: Order placed, Very Excited!
Replies: 52
Views: 18123

Re: Order placed, Very Excited!

<t>mateli said: <br/> <br/> <br/> Unless he buy the components and manufacture it himself.<br/> <br/> Grumpyoldgit said: <br/> <br/> <br/> He will also need to add a slice of profit in there somewhere as he will have to purchase the Pi from this site.<br/> <br/> <br/> <br/> The foundation has negoti...
by rurwin
Tue Jan 17, 2012 10:44 am
Forum: Off topic discussion
Topic: Soldering iron recommendations
Replies: 44
Views: 16565

Re: Soldering iron recommendations

<t>This is the one that built a Science of Cambridge MK14 and an Acorn Atom, plus loads more stuff over the years:<br/> <br/> Antex CS18 (I think it was the 15watt one, but with this tip)<br/> <br/> This is the one I have now<br/> <br/> RS DS50 Digital Soldering Station<br/> <br/> Frankly, I miss th...
by rurwin
Mon Jan 16, 2012 11:25 pm
Forum: Off topic discussion
Topic: YOU SUCK: the venting thread
Replies: 948
Views: 152774

Re: YOU SUCK: the venting thread

<t>You can get a keyboard with a touchpad for about £30.<br/> <br/> You can get a keyboard with a USB hub for about £30, but only ever two ports.<br/> <br/> But you cannot get a keyboard with a touchpad and a USB hub for under £200.<br/> <br/> I don't mind spending the same as the cost of the RPi on...
by rurwin
Mon Jan 16, 2012 10:41 pm
Forum: Staffroom, classroom and projects
Topic: Worried about teaching Computing? I can help.
Replies: 29
Views: 6580

Re: Worried about teaching Computing? I can help.

PMs sent. (It's the little red box at the top right).
by rurwin
Mon Jan 16, 2012 9:43 pm
Forum: Off topic discussion
Topic: Microsoft and ARM
Replies: 42
Views: 8951

Re: Microsoft and ARM

tufty said:

I'm a depressing old cynic.
Yes you are, but you are probably right.
by rurwin
Mon Jan 16, 2012 9:31 pm
Forum: Staffroom, classroom and projects
Topic: Raspberry Pi or Arduino?
Replies: 29
Views: 9883

Re: Raspberry Pi or Arduino?

<t>You are wrong, for certain values of wrong.<br/> <br/> The Arduino and the RPi are two different machines that should be approached differently. The RPi is a Linux machine, and it can be programmed in Linux. Device driver are supplied to handle all the advertised devices on-board. There may be a ...
by rurwin
Mon Jan 16, 2012 8:47 pm
Forum: General discussion
Topic: linux newbie has questions
Replies: 31
Views: 5317

Re: linux newbie has questions

<t>That is sort of like installing a windows NT package on Windows CE. You might get it to work, but it wont be easy.<br/> <br/> I have never had to use the "alien" keyword, and I've been on a Debian system for about ten years. (The other eight hours that I am awake, I use Windows.) I compile from s...
by rurwin
Mon Jan 16, 2012 4:06 pm
Forum: General discussion
Topic: STICKY: Introduce yourself!
Replies: 3519
Views: 104153

Re: Introduce yourself!

<t>Zotlerg<br/> <br/> <br/> I wrote the BBC Speech program that many kids typed swear words into at school in the 80"s.<br/> <br/> <br/> kme<br/> <br/> <br/> The Linux distros for R-Pi comes with 20,000+ tested and verified programs available for download, not just crappy toy apps.<br/> <br/> <br/> ...
by rurwin
Mon Jan 16, 2012 1:59 pm
Forum: Other projects
Topic: Tailor-Made Programming Language
Replies: 49
Views: 10698

Re: Tailor-Made Programming Language

<t>The C declaration syntax is highly complex to parse and to understand in its more esoteric incarnations. I doubt you'll get into that, but if you are allowing *s and []s and ()s, there's probably a more straight forward approach that wont confuse you, your compiler or your users.<br/> <br/> For e...
by rurwin
Mon Jan 16, 2012 1:40 pm
Forum: General discussion
Topic: linux newbie has questions
Replies: 31
Views: 5317

Re: linux newbie has questions

<t>Regarding usability, it's a long story, but I recently forced a totally computer illiterate friend to forgo Windows and use Linux Mint instead. The only complaint was that it wouldn't run Windows games and for that reason he eventually had XP reloaded. I got no complaints or questions about usabi...
by rurwin
Mon Jan 16, 2012 1:01 pm
Forum: Other projects
Topic: Cases for the Raspberry Pi
Replies: 866
Views: 392545

Re: Cases for the Raspberry Pi

I sit corrected then. It must have been the Spectrum.

I'm an Acorn man myself, at least that's my excuse.
by rurwin
Mon Jan 16, 2012 10:47 am
Forum: Other projects
Topic: Cases for the Raspberry Pi
Replies: 866
Views: 392545

Re: Cases for the Raspberry Pi

I got one of these for Christmas.

It has the genuine feel of a ZX81 keyboard, which was described in the computer magazines of the time as "like shaking hands with a dead man."
by rurwin
Mon Jan 16, 2012 10:41 am
Forum: General discussion
Topic: linux newbie has questions
Replies: 31
Views: 5317

Re: linux newbie has questions

Except that it will take a fair few seconds to actually boot, yes.

To run from the command line, research "init" ("initd" may be more google friendly) and run states.

It can be done with the X windows system as well if you need windows.
by rurwin
Mon Jan 16, 2012 9:39 am
Forum: Staffroom, classroom and projects
Topic: BASIC - more harmful than useful?
Replies: 899
Views: 140892

Re: BASIC - more harmful than useful?

<t>John Beetem said: <br/> <br/> <br/> tufty said: <br/> <br/> <br/> ... programming is based on mathematics.  Not easy mathematics, but really quite hard mathematics.<br/> <br/> <br/> IMO most programming only needs two forms of mathematics: logic and algebra.<br/> <br/> <br/> Also modulo arithmeti...
by rurwin
Mon Jan 16, 2012 12:54 am
Forum: HATs and other add-ons
Topic: Gertboard
Replies: 258
Views: 103723

Re: Gertboard

You probably want Atmel AVR042: AVR Hardware Design Considerations

If that doesn't help, if you go to the device page on the Atmel site and hit the Documents tab there's a load of other docs, including one about the ADC.
by rurwin
Mon Jan 16, 2012 12:25 am
Forum: Staffroom, classroom and projects
Topic: Worried about teaching Computing? I can help.
Replies: 29
Views: 6580

Re: Worried about teaching Computing? I can help.

<t>OK Pythagoras, You're in as the doors close. Welcome on board.<br/> <br/> I'll PM all of you my email address, then try to get started this week or next. First we'll have to sort the modalities of course. I'll let this forum know any public websites and so forth so people can follow along.<br/> <...
by rurwin
Mon Jan 16, 2012 12:02 am
Forum: General discussion
Topic: ICS anyone?
Replies: 13
Views: 3383

Re: ICS anyone?

<t>jojopi said: <br/> <br/> Are you blaming the OS for the fact that the hardware does not have a delete key?<br/> No, I'm blaming the OS for the fact that the OS does not support a delete key, or rather I am blaming the Android developers for not allocating one in the API, even if the touch-keyboar...
by rurwin
Sun Jan 15, 2012 11:26 pm
Forum: General discussion
Topic: Possible pre-made basis for a portable Raspberry Pi setup?
Replies: 7
Views: 2235

Re: Possible pre-made basis for a portable Raspberry Pi setup?

Then top it off with one of these.

How neat would that be on the train or down the pub?
by rurwin
Sun Jan 15, 2012 11:15 pm
Forum: General discussion
Topic: How much sales do you think will raspi make?
Replies: 66
Views: 11499

Re: How much sales do you think will raspi make?

<t>If there is a big demand for CPUs, then the middle guy will get involved. Broadcom can refuse an order of less than a million, but some guy can buy that million, mark it up a few percent and sell it on in thousands.<br/> <br/> On the other hand, if China is making clones, an order of a million ma...
by rurwin
Sun Jan 15, 2012 10:48 pm
Forum: General discussion
Topic: ICS anyone?
Replies: 13
Views: 3383

Re: ICS anyone?

<t>I have to wonder, why would anyone ever bother?<br/> <br/> <br/> Does android carry support for USB mice and keyboards?<br/> <br/> <br/> Yes, but not particularly well (on Honeycomb anyway).<br/> <br/> I have an ASUS Transformer, so I have a keyboard and mouse. It works, but it's obvious that it'...

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