Deliberate practice

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Deliberate practice

  1. 1. Deliberate Practice <ul><li>Becoming a better programmer </li></ul>Alex Aitken @alexaitken Thoughtcorp blog.thoughtcorp.com Jason Cheong-Kee-You   @jpcky   Mighty Jupiter mightyjupiter.com
  2. 2. Agenda Define Deliberate Practice One Per Week FizzBuzz Randoori Object Calisthenics Demo How do you start?
  3. 3. Deliberate Practice
  4. 4. One Hour Per Week
  5. 5. FizzBuzz
  6. 6. Debrief
  7. 7. calisthenics   Gymnastic exercises to achieve bodily fitness and grace of movement
  8. 8. Object Calisthenics <ul><ul><li>Use only one level of indentation per method </li></ul></ul><ul><ul><li>Don’t use the else keyword </li></ul></ul><ul><ul><li>Wrap all primitives and strings </li></ul></ul><ul><ul><li>Use only one dot per line </li></ul></ul><ul><ul><li>Don’t abbreviate </li></ul></ul><ul><ul><li>Keep all entities small </li></ul></ul><ul><ul><li>Don’t use any classes with more than two instance variables </li></ul></ul><ul><ul><li>Use first-class collections </li></ul></ul><ul><ul><li>Don’t use any getters/setters/properties </li></ul></ul>
  9. 9. Object Calisthenics <ul><ul><li>Use only one level of indentation per method </li></ul></ul><ul><ul><li>Don’t use the else keyword </li></ul></ul><ul><ul><li>Wrap all primitives and strings </li></ul></ul><ul><ul><li>Use only one dot per line </li></ul></ul><ul><ul><li>Don’t abbreviate </li></ul></ul><ul><ul><li>Keep all entities small </li></ul></ul><ul><ul><li>Don’t use any classes with more than two instance variables </li></ul></ul><ul><ul><li>Use first-class collections </li></ul></ul><ul><ul><li>Don’t use any getters/setters/properties </li></ul></ul>
  10. 10. Demo
  11. 11. Debrief
  12. 12. How do you start?
  13. 14. References Object Calisthenics http://www.markhneedham.com/blog/2008/11/06/object-calisthe nics-first-thoughts/ Katas http://codingdojo.org/cgi-bin/wiki.pl?KataCatalogue Doing practice with your team http://blog.thoughtcorp.co m/2011/07/18/practice-built-in/
  14. 15. Credits <ul><li>http://www.flickr.com/photos/magnuz/4111206/ </li></ul>http://www.flickr.com/photos/totalaldo/503335275/ http://www.flickr.com/photos/ajc1/2799103829/ http://www.flickr.com/photos/adam_jones/3793605961/ http://www.flickr.com/photos/paulmoody/643667931/

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