from novice to expert: a pragmatic approach to learning
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From Novice to Expert: A Pragmatic Approach to LearningTRANSCRIPT
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From Novice to Expert: A Pragmatic Approach to Learning
Bryan Bibatpangkaraniwang developer
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reduceBigDecimal totalSalary = BigDecimal.ZERO;
for (Employee e : employeeList) { totalTax = totalTax.add(e.salary());}
BigDecimal totalSalary = employeeList.stream() .reduce(BigDecimal.ZERO, (sum, e) -> sum.add(e.salary()), BigDecimal::add);
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class Person def initialize(name) @name = name end attr_accessor :nameend
class Student < Person attr_accessor :schoolend
me = Student.new("Al")me.school = "ABC"me.is_a? Person # trueme.instance_of? Person # false
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"What should an average software engineer do to stand out?"
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"How do top developers work?"
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"Personal Productivity for Developers"
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"Tips for aspiring or newbie web developers"
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From Novice to Expert: A Pragmatic Approach to Learning
Bryan Bibatpangkaraniwang developer
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The Knowledge Worker
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20th Century: Industrial Efficiency
Frederick Winslow Taylor
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Mid-20th Century: Quality Management
W. Edwards Deming
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21st Century: Knowledge Worker
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Dreyfus Modelof Skill Acquisition
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Expert
Proficient
Competent
Advanced Beginner
Novice
Dreyfus Model
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Expert
Proficient
Competent
Advanced Beginner
Novice
rules
intuition
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Expert
Proficient
Competent
Advanced Beginner
Noviceconsiders
everything
relevant focus
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Expert
Proficient
Competent
Advanced Beginner
Novicedetachedobserver
part of system
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Applying Dreyfus Modelin
Software Development
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Novice
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Advanced Beginner
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Competent
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Competent
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Proficient
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Expert
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Apparent Level of Discipline
DreyfusModelLevel
Level of Discipline
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Actual Level of Discipline
DreyfusModelLevel
Level of Discipline
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Amount of Effort
DreyfusModelLevel
Effort
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"How do top developers work?"
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"What should an average software engineer do to stand out?"
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Expert
Proficient
Competent
Advanced Beginner
Novice
rules
intuition
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"Personal Productivity for Developers"
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Amount of Effort
DreyfusModelLevel
Effort
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Sharpen the Saw
“If I had eight hours to chop down a tree, I'd spend six sharpening my axe.”
- Abraham Lincoln
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Without appreciation for true expertise...
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20th Century: Industrial Efficiency
Frederick Winslow Taylor
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The Peter Principle
Employees within an organizationwill advance to their
highest level of competence and then
be promoted to and remain at a level which
they are incompetent.
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The Dilbert Principle
The most ineffective workers are systematically moved
to the place where they can do the least damage –
Management.
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The Peter Principle
Employees within an organizationwill advance to their
highest level of competence and then
be promoted to and remain at a level which
they are incompetent – Management.
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IMHO, companies that do not offer dedicated development career tracks
and/or force engineers to be managers are doomed to fail.
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Expert
Proficient
Competent
Advanced Beginner
Novicedetachedobserver
part of system
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Novice
AdvancedBeginner
Competent
Proficient
Expert
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Novice
AdvancedBeginner
Competent
Proficient
Expert
ExpertBeginner
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Novice
AdvancedBeginner
Competent
Proficient
Expert
"Expert"Beginner
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Novice
AdvancedBeginner
Competent
Proficient
Expert
"Expert"Beginner
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Novice
AdvancedBeginner
Competent
Proficient
Expert
"Expert"Beginner
Dunning-Kruger effect
Where unskilled individuals suffer from illusory superiority, mistakenly rating their ability much higher than average...
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TL; DR:
Most of your "Sirs" and "Masters" don't even deserve those titles.
Stop inflating their egos.
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Thank you for listening!
bryanbibat.net | @bry_bibatspeakerdeck.com/bryanbibat
Expert
Proficient
Competent
Advanced Beginner
Novice
Experts work from intuition
Proficient practitioners can self-correct
Competents can troubleshoot
ABs don't want the big picture
Novices need recipes