Note To Self: Display Raspberry Pi CPU Temperature

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I have recently been messing around with a raspberry pi at work (a Pi2 model B) for driving display screens for our In-Venue product of which I am the product owner. And very exciting it is too, because the real world is the new frontier (this pdf is also a good primer). If you see what I mean, but more on that another time.

So.. I had to overclock the Pi to improve browser performance to even get near to acceptable speed and smoothness of animations. Pro Tip, the Pi is not a graphics device! Having done this and got acceptable results for a clunky prototype to demo with, and load averages that stayed on the sane side of normal I thought I'd better see if I was frying the CPU. And because I will inevitably forget this useful command I'm saving it here for posterity. Here's how I got the temperature reading..

/opt/vc/bin/vcgencmd measure_temp

Enjoy!

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Put code in your google docs

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I'm writing a technical document using google docs, and I want to put code snippets into it.
I thought this would be hard, before I discovered http://hilite.me/

This awesome, and awesomely simple, web app converts snippets of code into coloured HTML.
It can format a comprehensive range of languages and apply an equally impressive variety of styles.

Here's a snip of javascript, I just copied and pasted it straight in here, so it doesn't handle the overflow well, but you have to admit that its pretty cool for something that has a quick copy/paste/click/copy/paste workflow:

for (var i = 0; i < dataObj.eventData.children.length; i++) {
  if (dataObj.isProduction){
   dataObj.eventData.children[2].outcome.coupling = "1";
  }
  if (dataObj.eventData.children[i].outcome.coupling.length > 0) { 
    outcomeData = dataObj.eventData.children[i].outcome;
    priceBoost[counter] = Object.create(priceBoostObject);
    priceBoost[counter].createPriceBoostHTML(outcomeData);
    priceBoost[counter].applyPriceBoost(outcomeData);
    priceBoost[counter].applyExtraCss(outcomeData);
    priceBoost[counter].initialiseAnimatedImages('animated-' + outcomeData.id, 'images/test.png', 'test.html');
    priceBoost[counter].checkTextWidth(outcomeData.id);
    counter++;
  }
}

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Privacy In Public III

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Google Glass Explorer Program Shuts Down

I'm not going to say a lot about this, except that I'm glad, and I hope that the next step for this tech takes seriously into account the privacy-in-public implications of people walking around with cameras streaming whatever they see.
Anyone who was ever concerned with the level of surveillance in modern society by CCTV, helmet cams, the hacking of web-cams, and the use this can be put to by the nefarious activities of GCHQ and the US NSA, will be pleased that the headlong rush to turn us all into autonomous surveillance drones has paused for thought.
Lets hope Google use the pause to reflect on this.

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