Tom's Data Onion
Posted3 months agoActive3 months ago
tomdalling.comTechstory
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Data VisualizationData AnalysisInformation Design
Key topics
Data Visualization
Data Analysis
Information Design
Tom's Data Onion is a blog post exploring the concept of layered data visualization, sparking interest in data analysis and visualization techniques.
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- 01Story posted
Oct 11, 2025 at 1:08 AM EDT
3 months ago
Step 01 - 02First comment
Oct 11, 2025 at 1:34 AM EDT
26m after posting
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1 comments in 0-1h
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Oct 11, 2025 at 1:34 AM EDT
3 months ago
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ID: 45546739Type: storyLast synced: 11/17/2025, 10:02:48 AM
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The trickiest part was the AES layer. I had to reach for the C FFI to use OpenSSL for decoding. And it took longer than expected to search instructions for key unwrapping.
Full solution[2] runs in under 20ms on two decade old Intel Xeon, which says more about Nim's performance than my coding skills.
[1] https://nim-lang.org/
[2] https://codeberg.org/janAkali/toms-data-onion