dleeftink’s notebooks | Observable

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dleeftink’s notebooks | Observable

dleeftink

@dleeftink

dennis is fine

50

2

4

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Re-using plot transforms (cached)

Nov 20, 2025

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SVG maps and gradients from filter primitives

May 20

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Plot: Animate a bar chart (attribute diffing)

Dec 23, 2025

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Plot.lens prototype

Nov 25, 2025

10

2

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Apr 19, 2025

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Reactive Batching: createEventLoop

May 12

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Synchronous Render Text (V2)

Feb 9, 2025

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Synchronous Render Text

Feb 4, 2025

1

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Performant Sunburst Component

Jun 2

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Asynchronous Text Rendering

Feb 6, 2025

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Zoomable Sunburst Component

Feb 3, 2025

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LLMs in practice: keyphrase analysis

Jun 2

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Native CSS grid transitions

Nov 28, 2024

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The tool/language frontier

Jul 4, 2025

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Sortable playground

Apr 25, 2024

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Oct 7, 2023

1

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Numeric string encoding

Sep 24, 2023

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Nov 11, 2023

1

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QuickSet Intermediate

Jan 15, 2024

1

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QuickSet Basics

Jul 29, 2024

1

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Class Cell memory management

Sep 7, 2023

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Method essentials

Jan 9, 2024

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Fast Sorted Set

Sep 12, 2023

1

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Nilsimsa hashing

Dec 17, 2023

2

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Dec 10, 2024

2

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Fast duplicate detection

Oct 2, 2023

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Pattern synchrony

Jun 9, 2025

1

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Apr 22, 2024

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Feb 12, 2025

1

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Exploring the Twitter ‘Algorithm’

Apr 2, 2025

1

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Livecode a webserver in a browser (Fork)

Mar 15, 2023

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Observable puppeteer

May 3, 2023

2

1

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Apr 22, 2024

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Apr 22, 2024

1

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Array & bitBuffers

Jul 8, 2024

1

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Slope chart proto

Feb 24, 2023

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Ultimate compute show-down

Feb 19, 2025

3

7

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Line classifier

Jun 8, 2023

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Nov 30, 2024

1

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Jan 29, 2023