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Comments URL: https://news.ycombinator.com/item?id=42647695

Points: 0

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https://news.ycombinator.com/item?id=42647695

Article URL: https://inside.java/2025/01/09/sw-startup/

Comments URL: https://news.ycombinator.com/item?id=42648280

Points: 5

# Comments: 1

https://inside.java/2025/01/09/sw-startup/

Article URL: https://www.quantamagazine.org/rational-or-not-this-basic-math-question-took-decades-to-answer-20250108/

Comments URL: https://news.ycombinator.com/item?id=42644896

Points: 16

# Comments: 0

https://www.quantamagazine.org/rational-or-not-this-basic-math-question-took-decades-to-

Article URL: https://www.science.org/content/article/scientists-uncover-how-brain-washes-itself-during-sleep

Comments URL: https://news.ycombinator.com/item?id=42644204

Points: 111

# Comments: 74

https://www.science.org/content/article/scientists-uncover-how-brain-washes-itself-during-sleep

Article URL: https://archaeology.org/issues/january-february-2025/digs-discoveries/bad-moon-rising/

Comments URL: https://news.ycombinator.com/item?id=42636424

Points: 24

# Comments: 15

https://archaeology.org/issues/january-february-2025/digs-discoveries/bad-moon-rising/

Article URL: https://passo.uno/seven-action-model/

Comments URL: https://news.ycombinator.com/item?id=42645075

Points: 4

# Comments: 0

https://passo.uno/seven-action-model/

Article URL: https://jirevwe.github.io/sql-nulls-are-weird.html

Comments URL: https://news.ycombinator.com/item?id=42645110

Points: 5

# Comments: 0

https://jirevwe.github.io/sql-nulls-are-weird.html

Article URL: https://selfh.st/2024-favorite-new-apps/

Comments URL: https://news.ycombinator.com/item?id=42645119

Points: 4

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https://selfh.st/2024-favorite-new-apps/

Article URL: https://nts.strzibny.name/rails-autosave-form-turbo-stream/

Comments URL: https://news.ycombinator.com/item?id=42645187

Points: 3

# Comments: 0

https://nts.strzibny.name/rails-autosave-form-turbo-stream/

I realized that the PDF engines of modern desktop browsers (PDFium and PDF.js) support JavaScript with enough I/O primitives to make a basic game like Tetris.

It was a bit tricky to find a union of features that work in both engines, but in the end it turns out that showing/hiding annotation "fields" works well to make monochrome pixels, and keyboard input can be achieved by typing in a text input box.

All in all it's quite janky but a nice reminder of how general purpose PDF scripting c