Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,330 posts.

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2018
2281

Myth Busting Banksy

The recent incident around Banksy embedding a shredder into the frame of his Girl With A Balloon has caught the world’s attention. As a nerd obsessed with the intersection of art and tech, I too was sucked in over the weekend in trying to unravel the mysteries behind Banksy’s self-shredding paint

2296

Reversing a MacOS Kernel Extension

In my last post I covered the basics of kernel debugging in macOS. In this post we will put some of that to use and work through the process of reversing a macOS kernel module. As I said in my last post, in macOS there is a kernel module named “Don’t Steal Mac OS X” (DSMOS) which registers a function with the Mach-O…

2310

Differential Synchronization (2009)

Keeping two or more copies of the same document synchronized with each other in real-time is a complex challenge. This paper describes the differential synchronization algorithm. Differential synchronization offers scalability, fault-tolerance, and responsive collaborative editing across an unreliable network.