Rich Hickey·2023·Clojure ConjAfter years of talking about design in the abstract, Hickey demystifies the actual practice — the concrete moves and habits that turn 'design' from a noun into a verb.
Rich Hickey·2018·Clojure ConjHickey takes aim at Maybe/Optional and the conflation of optionality with absence — arguing that wrapping types is the wrong place to encode 'I might not give this to you.'
Rich Hickey·2017·Clojure ConjHickey on the fact that the language inside your process is rarely the language between your processes — and what that should imply for system design.
Rich Hickey·2017·Clojure ConjRich Hickey on what a decade of Clojure has taught him about the kinds of problems most production code is actually trying to solve — and why static type systems aren't the answer he keeps hearing about.
Rich Hickey·2016·Clojure ConjHickey on versioning, breaking changes, and the quiet violence we do to downstream users when we 'fix' our APIs in place.
Rich Hickey·2014·Strange LoopHickey extracts the essence of map and filter from the collections they were trapped in — and shows what falls out when transformations become first-class, context-free things.
Rich Hickey·2012·JaxConfWhy immutable values are the right substrate for systems that interact, communicate, and last.
Rich Hickey·2012·RailsConfA keynote retread of the Simple Made Easy thesis — sharpened, condensed, and aimed squarely at Rubyists.
Rich Hickey·2011·Strange LoopRich Hickey emphasizes simplicity's virtues, and argues that we conflate easy with simple — at a real cost.
Rich Hickey·2010·Clojure ConjOn the underrated practice of stepping away from the keyboard — and how to think hard about a problem before writing a single line.
Rich Hickey·2009·JVM Languages SummitHickey's foundational case against pervasive state and mutability, and a glimpse at the ideas that would later become Clojure's identity model.
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