~/talks

Davy Stevenson

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titleconferencedate
Davy Stevenson at LeadDev West Coast 2023LeadDev West Coast 20232023-10-16
Lists five failure modes — uneven participation, topic too broad, unprepared attendees — and prescribes concrete fixes: pick one meeting purpose, publish an…
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A blueprint for making scary choicesRocky Mountain Ruby 20232023-10-05
The talk presents a specific six-step rubric—identify grief, embrace nonlinear paths, commit to yourself, focus on reciprocity, find hidden benefits, take the…
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Syntax Error Game ShowRubyConf 20192019-11-18
A live game builds a playable Tic Tac Toe grid modeled on Hollywood Squares, with contestants picking squares, experts answering and players agreeing or…
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Orders of MagnitudeMountainWest RubyConf 20162016-03-21
Humans are lousy at extreme scales: innate number sense up to four but counting and naming bigger quantities is learned and misleading. Optical and electronic…
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Orders of MagnitudeRubyConf Portugal 20152015-09-14
Claim: human number sense stops around four so naming huge quantities doesn’t make them comprehensible. Uses historical counting, optics and modern…
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Orders of MagnitudeFull Stack Fest 20152015-09-01
Claims that human number sense ends at four and that naming large magnitudes doesn't confer understanding, demonstrations of scale from a meter baseline to 14…
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Orders of Magnitudeeurucamp 20152015-07-31
Human number sense ends at small counts so number sense ends at four and naming numbers doesn’t mean understanding them; concrete scales are given (hair ~1e-4…
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Benchmarking RubyRubyConf 20142014-11-17
Concrete results trump topic blur: shows Benchmark IPS reporting 3.2 million vs 41.5k iterations/sec, introduces Benchmark Big O to chart scaling (at cost ~10x…
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The Science of SuccessCascadia Ruby 20142014-08-11
Claims that applying the scientific method yields measurable improvements, demonstrates a Ruby tool benchmark Big O built on benchmark IPS, and shows real…
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Ruby as Science, Art & CraftRuby on Ales 20142014-03-06
Compares concrete convex hull algorithms: a brute‑force O(n^3) check of every pair and point, Jarvis March gift‑wrapping at O(n·h) (worst‑case O(n^2)), and…
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Ruby as Art; Ruby as Science; Ruby as CraftCascadia Ruby 20132013-10-14
States there is zero code and uses math to compare convex hull algorithms including O(n^3) brute force versus Gift Wrapping (Jarvis March) at O(nh) and faster…
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The Fourth 'R'Ruby on Ales 20132013-03-07
Argues for adding programming as a fourth R with concrete proposals: start logic and hands‑on activities in elementary, basic programs by middle school…
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DRb vs. RabbitMQ ShowdownRubyConf 20122012-11-01
Company replaces DRb point-to-point RPC with RabbitMQ/AMQP using the ruby amqp gem and EventMachine to gain persistence and decoupling. They move transient…
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