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Every blog post that took off on Hacker News, ranked by the votes of its best submission. 49,211 posts.

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12072

What Is Entropy?

People say many things about entropy: entropy increases with time, entropy is disorder, entropy increases with energy, entropy determines the arrow of time, etc.. But I have no idea what entropy is, and from what I find, neither do most other people. This is the introduction I wish I had when first told about entropy…

12073

Post-REST

More or less all the big APIs are RESTful these days. Yeah, you can quibble about what “REST” means (and I will, a bit) but the assertion is broadly true. Is it going to stay that way forever? Seems unlikely. So, what’s next?

12076

Playing chicken with cat.jpg

I was reminded of this by 37signals' response on Monday to last week's cat.jpg privacy failure . To be clear, I have a lot of sympathy for 37signals: Once someone looked in their logs and saw "cat.jpg" as the name of the one hundred millionth file they had stored, I'm sure the resulting fit of laughter significantly…

12085

Arena allocator tips and tricks

Over the past year I’ve refined my approach to arena allocation . With practice, it’s effective, simple, and fast; typically as easy to use as garbage collection but without the costs. Depending on need, an allocator can weigh just 7–25 lines of code — perfect when lacking a runtime . With the core details of my own…