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Sunday 6 November 2011

iPhone 3GS battery usage

I had some trouble with my iPhone 3GS where the standby time and usage time was the same, so I started monitoring the battery usage. I solved the intial problem (fully resetting the whole phone helps) but thought it'd be interesting to continue monitoring battery usage and analyse the results. The results are presented below.

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Sunday 26 June 2011

Optimal colour schemes

As Paul Tol writes:

Graphics with scientific data become clearer when the colours are chosen carefully. It is convenient to have a good default scheme ready for each type of data, with colours that are distinct for all readers, including colour-blind people.

and to that goal he has redesigned several different colour schemes from the ground-up to maximize visibility for both colour-blind and colour-aware people. The result is a set of colour schemes for various applications which make best use of colour space. There is no reason not to use them, so take a look at Paul's technote.

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