Difference between revisions of "Debugging"

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* did you forget to call your parent's constructor?
 
* did you forget to call your parent's constructor?
 
* did you pass a constant value instead of a constant name to e.g. defined()
 
* did you pass a constant value instead of a constant name to e.g. defined()
* have you changed a positional interface (function parameters in order) without updating callers? positional interfaces are typically used in DAL add() and set() functions.
+
* have you changed a positional interface (function parameters in order) without updating callers? positional interfaces are typically used in DAL add() and set() functions. as a general rule you should only add parameters and never change their order.

Revision as of 01:23, 28 February 2022

Some questions to ask yourself when you're debugging a problem:

  • have you used an 'if' statement where you need a 'while', or vice versa?
  • have you made an assignment (=) instead of an expression (==)?
  • did you forget to call your parent's constructor?
  • did you pass a constant value instead of a constant name to e.g. defined()
  • have you changed a positional interface (function parameters in order) without updating callers? positional interfaces are typically used in DAL add() and set() functions. as a general rule you should only add parameters and never change their order.