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 Forum index » Taking the Puppy out for a walk » Puppy Power
The Code
Moderators: Flash, JohnMurga
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Lobster
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Joined: 04 May 2005
Posts: 15117
Location: Paradox Realm

PostPosted: Sun 26 Feb 2012, 04:53    Post subject:  The Code
Subject description: QR Code - 2-D bar codes
 



I first came across these QR-codes - that is the red box thing
when they were first starting and before I had an Android phone
Getting it to scan and identify took me about two hours . . .
I seem to remember having to takes its pic and having to run through
some kind of experimental parser

Now the smartphone and these codes are everywhere (so I am told)
How it works. You need a barcode scanner app on your smartphone
or tablet. You run the app. hold up the camera to the poster, sticker,
screen display etc and your phone browser loads the URL

I was inspired by someone doing a QR-code http://en.wikipedia.org/wiki/QR_Code for Raspberry Pi
(the well known motherboard of myth and legend)
Should have added a simple url puppylinux.com on the advert sorry about that . . .
I also did it in red to see if it works - It does on my phone
also the ad does not go to puppylinux.com - it is a Puppy site - that is just a little added interest . . .

It's a kind of magic Laughing

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Last edited by Lobster on Sun 26 Feb 2012, 23:29; edited 1 time in total
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Flash
Official Dog Handler


Joined: 04 May 2005
Posts: 10666
Location: Arizona USA

PostPosted: Sun 26 Feb 2012, 08:38    Post subject:  

I saw something recently which pointed out that there is a fairly severe potential security problem with QR codes. That's all I can remember about it.
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Barkin


Joined: 12 Aug 2011
Posts: 604

PostPosted: Sun 26 Feb 2012, 15:49    Post subject:  

Flash wrote:
... there is a fairly severe potential security problem with QR codes. That's all I can remember about it.

https://secure.wikimedia.org/wikipedia/en/wiki/QR_code#Risks
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Lobster
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PostPosted: Mon 27 Feb 2012, 00:55    Post subject:  


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Barkin


Joined: 12 Aug 2011
Posts: 604

PostPosted: Mon 27 Feb 2012, 01:34    Post subject:  

the puppy QR even works on the diagonal ...
diagonal Puppy QR works.gif
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gif

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Lobster
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Joined: 04 May 2005
Posts: 15117
Location: Paradox Realm

PostPosted: Mon 27 Feb 2012, 04:17    Post subject:  


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Lobster
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Location: Paradox Realm

PostPosted: Mon 27 Feb 2012, 04:57    Post subject:  

green and a bit missing works . . .


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darkcity


Joined: 23 May 2010
Posts: 2411
Location: near here

PostPosted: Mon 27 Feb 2012, 09:12    Post subject:  

Old one dimensional barcodes are a security risk to-
http://www.theprohack.com/2008/06/how-to-crack-barcode.html

. Pick up 2 items, one item is the cheap one and the other is the expensive one Arrow

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