Archive for 2010

Five number summary

Thursday, January 28th, 2010

Download a two sided handout on finding the five number summary for a set of data

The five numbers are the maximum, the minimum, the median and the upper and lower quartiles. This set of numbers can tell you about the central tendency of your data, the spread, the extreme values, and provide low order information [...]


Wednesday, January 27th, 2010

...that have solidified his believe that the PC industry needs to move away from just selling hardware and towards a service-based model that could be used to establish an educational infrastructure. “It’s all about long-term, sustaining relationships,” he told me, something that mobile phone companies have been practicing for years.

Alan Kay on the Apple Tablet [...]


Friday, January 22nd, 2010

Electricity costs less than 10p per kilowatt hour. You can charge quite a few laptop batteries for that, so I assume the notice was to do with health and safety, or encouraging people to move after their latte.

I see a lot of small odds and ends of space like this around the cities I visit. [...]

Ninjawords dictionary

Sunday, January 17th, 2010

Online dictionary has no adverts and is fast

Post to twitter from command line

Sunday, January 17th, 2010

Works in the Mac OS terminal, and on Linux if you install curl.

#! /bin/sh
curl —basic—user “username:password”

—data-ascii “status=`echo $@|tr ’ ’ ‘+’`” “” > /dev/null

Update of something I found from 2007, when twitter was using a different [...]