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Zbyszek Tenerowicz

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titleconferencedate
25 years of embracing the weirdJSHeroes 20262026-05-14
A procession of concrete claims and artifacts: five lines of JS crashes Windows; a browser game engine built from canvas glitches runs today; an attempted 3D…
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Defensive CodingReact Summit 20252025-06-13
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Watch Me Run Malware From NPMJSNation US 20242024-11-18
Watch me run real obfuscated malware from NPM safely while revealing what it does. Learn how it's possible and use the technology behind it to secure your…
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I Run Code From the Internet!React Summit 20232023-06-02
Is it wise to run code from strangers? Well, we do it all the time and there's no backing out of it. Let's take a look at how a JavaScript project could get…
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PerformanceReact Summit 20232023-06-02
-- no description --
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Eval all the strings! - Hardened JavaScriptNode Congress 20232023-04-14
NPM packages can be potentially dangerous, so it's important to be proactive in managing them. Lava Mode allows you to detect and investigate suspicious…
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Tracking Down a Memory LeakNode.js Global Summit 20202020-05-30
Demonstrates finding a real Node.js leak by using Chromium DevTools allocation timeline and heap snapshot comparisons to spot large retained sizes, locates a…
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Fun with async hooks and stack tracesWFH Conf 20202020-03-26
Uses async_hooks to capture init stacks and then counts actual Promise allocations, measures event-loop blocking by comparing before/after timestamps, and…
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Computer, refactor my code!GrillJS 20192019-09-07
Demonstrates writing codemods that parse JavaScript into an AST, traverse and transform nodes, then regenerate code; one example runs over 300 automated edits…
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A developer's take on securityjsPoland 20182018-11-16
Practical, repeatable steps: stop running npm install in production and build dependencies in CI then export them as artifacts; add an ESLint plugin that fails…
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