Debugging 2013- Fredrik simonsson

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Debugging- for rigtige programmører

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Debugging 2013- Fredrik simonsson

  1. 1. Firebug Start the Debuger in Firefox Fredrik Simonsson
  2. 2. About Fredrik Simonsson ● Independent software profesional and consultant ● Computer Geek since the Amiga-age in the late 1980-ies Previously: ● Embedded SW and ASIC developer at Nokia/Renesas ● Software Toubleshooter at Sony Ericsson ● http://dk.linkedin.com/in/fredriksimonsson/
  3. 3. Download Firebug ● https://addons.mozilla.org/en-US/firefox/addon/firebug/
  4. 4. Live Demo
  5. 5. Download Firebug
  6. 6. F12
  7. 7. Breakpoint
  8. 8. Step into Step over
  9. 9. Inspect local variables
  10. 10. Watch a variable
  11. 11. Syntax errors found in Console
  12. 12. Beware of datatypes
  13. 13. No block scope
  14. 14. Get to know your debuger and save the day

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