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Developer publishes Part II of React and D3.js interactive timeline portfolio tutorial

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A software developer has released the second and final part of a two-part tutorial series on building an interactive timeline-based portfolio using React and D3.js. The tutorial focuses on visual implementation, covering how to distribute portfolio items across lanes above and below a central baseline using a greedy algorithm. Key topics include drawing lines to nodes, rendering rich content cards, and animating resize behavior. Most of the core logic is handled in a dedicated lanes engine file, where nodes are sorted by start time in milliseconds to enable precise collision detection and lane assignment. The series is published on DEV Community, with the first part available via the author's website and the dev.to series page.

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