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John Crepezzi

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titleconferencedate
Functional Patterns in RubyRailsConf 20232023-04-24
Claims concrete Ruby implementations of three OCaml ideas and shows they work: a funter module that uses Module.new proxy and dynamic method defs to supply…
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Experimental Patterns in ActiveRecordRailsConf 20222022-05-17
GitHub describes concrete experiments: tackling N+1s with Prelude batch methods on models (inspired by graphql‑batch), using it to remove many includes and…
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Cool, But... Why?rubyday 20202020-09-16
Digging into Ruby internals, this shows measured surprises: Benchmark reveals for is slower than each despite its keyword form, and a block-based if is ~2x…
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"Interacting with Custom-Made Hardware in Go"GothamGo 20192019-04-12
Code controls real hardware: a Raspberry Pi uses GPIO to blink LEDs, read buttons with debouncing, and drive motors via an L298N to move linear actuators…
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On MemoryMountainWest RubyConf 20152015-03-09
Shows concrete memory tools and surprises: uses object_space / objectspace.so and GC.stat to find live objects and allocation sites, and recommends the…
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Splitting Your AppRuby on Ales 20112011-03-24
Claim: move the model layer into a slim API (Sinatra) and halve the app to get a big performance win and a public API. Implementation details: flexible_api +…
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