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Łukasz Gebel

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titleconferencedate
Do Developers Dream of Stateless Apps?NDC Oslo 20202020-06-08
Defines state vs stateless, then gives hands‑on specifics: zookeeper needs quorum so three instances must be spread across fault domains or two racks can kill…
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Machine Learning: The Bare Math Behind LibrariesDevoxx Belgium 20192019-11-04
Starts from linear regression with a concrete objective function and implements gradient descent to minimize squared error, showing code run in Octave and…
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Machine Learning: The Bare Math Behind LibrariesNDC Oslo 20192019-06-17
Linear regression with gradient descent in Octave examples fits costume price to comic appearances and yields a concrete example: $1,000 in costume predicts…
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Brace yourself! Storm is coming!JDD 20172017-10-03
Quick Apache Storm primer with a live word-count topology: explains tuples, reliable vs unreliable spouts, bolts, and the DAG topology, shows ack/fail trees…
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