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Every blog post that took off on Hacker News, ranked by the votes of its best submission. 80,915 posts.

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21640

How to zero a buffer

Now, we don't want to truly change the observable behaviour of our software — but fortunately the C standard has a more liberal concept of "observable" than most people. In particular, the C standard states that the observable behaviour includes accesses to volatile objects . What is a volatile object, you ask? It is…

21644

How to do distributed locking

As part of the research for my book , I came across an algorithm called Redlock on the Redis website. The algorithm claims to implement fault-tolerant distributed locks (or rather, leases [1]) on top of Redis, and the page asks for feedback from people who are into distributed systems. The algorithm instinctively set…

21657

Remember when people tracked bugs?

I've done some well-known bitching about the halfassed and haphazard way that Open Sores projects have handled their bugs in the past, but man, things have only gotten worse since then. I mean, projects used to actually have bug databases. Boy, those were the days. Failing that, developers used to put their email…