the scientific method of troubleshooting - blithe rocher at new relic
TRANSCRIPT
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The Scientific Method
of Troubleshooting
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@blithe
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Scientist
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PhD in Physical
Chemistry
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Physics
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Chemistry
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6 Years!
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Experiments
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Scientific Method
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Developer< >
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StackOverflow
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Problem solved?
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Learn anything?
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Most Important Part
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Scientific Method
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Set of Techniques For Acquiring Knowledge
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Methodical
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Systematic
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“Has anyone seen string interpolation
fail?”#
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Define the Problem
2 3 4 5 6 71
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Expected behavior?
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Expected behavior?
Actual behavior?
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Expected behavior?
Actual behavior?
Criteria for success?
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Do Your Research3 4 5 6 7Define 2
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Know your environment
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Read the literature
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Discussions
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Make it fail!
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Establish a Hypothesis
5 6 7Define Research 43
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Design the Experiment
6 7Define Research Hypothesis 54
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Divide and conquer!
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Limit the variables
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Try something weird
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Hierarchy of Blame
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Gather
Data6 7Define Research Hypothesis Experiment 5
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Current status?
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Read the error message!
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Analyze Your Results
7Define Research DataHypothesis Experiment 6
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Problem solved?
Learn anything?
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Understand the Why
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Future Experiments
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Embrace the Success
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Keep a Good
Lab Notebook
Define Research DataHypothesis Experiment Analyze 7
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You won’t remember
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Logs aren’t enough
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Commit Messages
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Update the Docs
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Contribute
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Share the
Knowledge
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Questions?Thanks!
@blithe