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Kyle d'Oliveira

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Fibonacci FunhouseRubyConf 20262026-07-14
Starts with naive recursion that times out after ~32 and a Binet float formula that fails around 70 and throws a float error at ~1,475; switching to bigdecimal…
Talk on
Fibonacci FunhouseFriendly.rb 20242024-09-18
Starts with the exponential recursive method (gets useless near n≈30) then implements Binet with BigDecimal (works to ~350 before float/precision slows it)…
Talk on
Off to the racesRailsConf 20232023-04-24
Claim: Rails apps lose increments when two requests do a read modify write on the same row, exemplified by an ideas voting counter that drops votes…
Talk on
Analyzing an analyzer - A dive into how RuboCop worksRubyConf 20222022-11-29
RuboCop parses Ruby into an AST using the parser gem, walks that tree with RuboCop AST traversal so cops can implement focused on_ handlers, and performs fixes…
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The Mindset of DebuggingRubyConf 20212021-11-08
Sets a repeatable debugging process: observe, form a hypothesis, run an experiment, analyze, repeat. Walks through a concrete customer bug where contact phone…
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Communicating with CopsRailsConf 2020 CE2020-05-04
Claim: Rubocop can codify not just style but behavioral rules and auto-correct them so reviewers stop leaving hundreds of PR comments about formatting and…
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Death by a thousand commitsRailsConf 20192019-05-01
A Rails codebase at Clio is eating performance and developer velocity via N+1s and accumulated dead code so the team builds specific tools: a jit preloader…
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