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Debug It! by Paul Butcher

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Put It in Action

  • When patching an existing release, concentrate on reducing risk.

  • Keep on the lookout for compatibility implications when fixing bugs.

  • Ensure that you have completely closed any timing windows, not just decreased their size.

  • When faced with a heisenbug, minimize the side effects of collecting information.

  • Fixing performance bugs always starts with an accurate profile.

  • Even the most restricted communication channel can be enough to extract the information you need.

  • Suspect your own, ahead of third-party, code.

Footnotes

[24]

Apart, perhaps, from crackers exploiting flaws in your software to achieve their nefarious goals.

[25]

Shelves that were above my desk and that almost killed me one day when the shelf supports ...

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