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Reverse Polish Notation - RPN
Harry Fairhead
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This week's cartoon is based on the use of RPN or Reverse Polish Notation. This used to be a basic of the computer programmer's world, but today it is not as well known. Hence there may be some perfectly clued up programmers who are still left wondering what the sausage is doing outside of the bun.



Android Adventures - ListView And Adapters
Mike James
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ListView is probably the most commonly used and needed UI components in an Android app. It isn't difficult to use, but you need to get to grips with the idea of an "adapter" and understanding what is going on pays dividends.



Ada Lovelace, The First Programmer
Historian
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Ada, Countess of Lovelace was born almost 200 years ago but her name lives on. In the 1970s the Ada language was named in recognition of her status as the first computer programmer and in  2009 Ada Lovelace Day was inaugurated to celebrate the achievements of women in science, technology, engineering and maths.  For Ada Lovelace Day 2014, we tell the story of how she worked with Charles Babbage on his Analytical Engine.


 
 
   
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