A Minute Minute Minder
Today I delivered the opening
at the 4th Panhellenic Conference on Computer Science Education.
For a number of reasons (more on that later) I wanted to keep track of
my progress during the presentation.
For this I put together a minute minder that displayed the
time from the presentation's start and the slide I should be in.
I could thus adjust my pace to finish as planned.
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Using and Abusing XML
Words are like leaves; and where they most abound,
Much fruit of sense beneath is rarely found.
— Alexander Pope
I was recently gathering GPS coordinates and cell identification data, researching the algorithms hiding behind Google’s “My Location” facility.
While working on this task, I witnessed the great interoperability benefits we get from XML. With a simple 140-line script, I converted the data I gathered into a de facto standard, the XML-based GPS-exchange format called GPX. Then, using a GPS-format converter, I converted my data into Google Earth’s XML data format A few mouse clicks later, I had my journeys and associated cell tower switchovers beautifully superimposed on satellite pictures and maps.
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