22nd December, 7:16 pm Dec 22nd

Jeff & Sanjay recently published a bunch of performance hints, many (most? all?) of which are universally useful approaches for software engineering in general

This was posted on Monday 22nd December, 2025 at 7:16 pm Pacific.

Read more posts from December 2025.

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This is the personal website of Cal Henderson, Slack co-founder & CTO.

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