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Matplotlib - Session 2

Turning Data Into Decisions Bar charts, histograms, scatter plots, subplots, and plotting straight from pandas Previously learned to draw a line — literally. we now know how to create a figure, style it, and save it. But real analyst work rarely stops at trends over time. You'll need to compare categories , understand distributions , spot relationships between variables , and show several views…

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# How enabling cross-origin isolation silently broke our multi-threaded WASM image compressor

A production postmortem. We shipped browser-side image compression (Rust → WASM + WebGPU), turned on cross-origin isolation for speed, and watched every format crash with compression worker crashed .

  • Enabling cross-origin isolation (COI) broke multi-threaded WASM image compressor
  • Nested workers blocked by COEP and CORP headers, causing compression worker crashes
  • Fix involved decoupling COI from threading, explicit opt-in for threaded packages

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