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C R E S C E N T W R E N C H E S , S O C K E T S E T S , A N D O T H E R T O O L S F O R D E B U G G I N G H O W T O B U I L D A T O O L K I T O F I N Q U I RY @kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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@kerrizor CodeConf 2016 I H AV E A F E W H O B B I E S …

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@kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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W H Y W O N ’ T T H E E N G I N E S TA R T ? @kerrizor CodeConf 2016 ! " ⚡ $ FUEL AIR SPARK PRESSURE

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T H E S C I E N T I F I C M E T H O D @kerrizor CodeConf 2016 • Ask A Question • Do Background Research • Construct a Hypothesis • Test Your Hypothesis by Doing an Experiment • Analyze Your Data and Draw a Conclusion • Communicate Your Results

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T H E S C I E N T I F I C M E T H O D @kerrizor CodeConf 2016 • Ask A Question • Do Background Research • Construct a Hypothesis • Test Your Hypothesis by Doing an Experiment • Analyze Your Data and Draw a Conclusion • Communicate Your Results

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T H E S C I E N T I F I C M E T H O D @kerrizor CodeConf 2016 • Ask A Question • Do Background Research • Construct a Hypothesis • Test Your Hypothesis by Doing an Experiment • Analyze Your Data and Draw a Conclusion • Communicate Your Results

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T H E S C I E N T I F I C M E T H O D @kerrizor CodeConf 2016 • Ask A Question • Do Background Research • Construct a Hypothesis • Test Your Hypothesis by Doing an Experiment • Analyze Your Data and Draw a Conclusion • Communicate Your Results

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T H E S C I E N T I F I C M E T H O D @kerrizor CodeConf 2016 • Ask A Question • Do Background Research • Construct a Hypothesis • Test Your Hypothesis by Doing an Experiment • Analyze Your Data and Draw a Conclusion • Communicate Your Results

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T H E S C I E N T I F I C M E T H O D @kerrizor CodeConf 2016 • Ask A Question • Do Background Research • Construct a Hypothesis • Test Your Hypothesis by Doing an Experiment • Analyze Your Data and Draw a Conclusion • Communicate Your Results

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T H E S C I E N T I F I C M E T H O D @kerrizor CodeConf 2016 “ ” THE REAL PURPOSE OF THE SCIENTIFIC METHOD IS TO MAKE SURE NATURE HASN’T MISLEAD YOU INTO THINKING YOU KNOW SOMETHING YOU DON’T ACTUALLY KNOW. - ROBERT M. PRISIG

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PERFORMANCE TIME @kerrizor CodeConf 2016

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PERFORMANCE TIME @kerrizor CodeConf 2016

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PERFORMANCE TIME @kerrizor CodeConf 2016

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PERFORMANCE TIME @kerrizor CodeConf 2016

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PERFORMANCE TIME @kerrizor CodeConf 2016

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PERFORMANCE TIME @kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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+ @kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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client.domain_name.each do @kerrizor CodeConf 2016

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• Queue a Resque job • Bill client on internal accounting system client.domain_name.each do @kerrizor CodeConf 2016

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• Queue a Resque job • Bill client on internal accounting system • Use [company]'s CC to renew domain client.domain_name.each do @kerrizor CodeConf 2016

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• Queue a Resque job • Bill client on internal accounting system • Use [company]'s CC to renew domain • If registrar returns an error, retry client.domain_name.each do @kerrizor CodeConf 2016

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• Queue a Resque job • Bill client on internal accounting system • Use [company]'s CC to renew domain • If registrar returns an error, retry • After 3 attempts, requeue and exit client.domain_name.each do @kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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(600 domains * $3 profit) - (~60 hours @ $100/hr) @kerrizor CodeConf 2016

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T H E S C I E N T I F I C M E T H O D @kerrizor CodeConf 2016 “ ” WHEN YOU CHANGE THE WAY YOU LOOK AT THINGS, THE THINGS YOU LOOK AT CHANGE. - DR. WAYNE W. DYER

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@kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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@kerrizor CodeConf 2016

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@kerrizor Keep Ruby Weird 2015 @kerrizor CodeConf 2016