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Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 17 posts.
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Petabytes on a budget: How to build cheap cloud storage
Get all of the latest cloud storage news and insights from Backblaze - the leading independent cloud storage provider.
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Smashing the Stack for Fun and Profit by Aleph One
An excellent (if a bit dated) article/tutorial on exploiting buffer overflow vulnerabilities. It was written by Aleph One for Phrack 49.
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Basics of the Unix Philosophy
The ‘Unix philosophy’ originated with Ken Thompson's early meditations on how to design a small but capable operating system with a clean service interface. It grew as the Unix culture learned things about how to get maximum leverage out of Thompson's design. It absorbed lessons from many sources along the way.
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Half a second delay caused a 20% drop in traffic
Writings on artificial intelligence, personalization, recommendations, and the tech industry.
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A performance comparison of Judy to hash tables
Numerous claims about Judy's performance are made in the Judy whitepaper . I don't think any of those claims are wrong. However, it does not appear that sufficient effort was put in benchmarking Judy against other data structures. Now, it is unlikely there is another data structure that is both as fast and as small as…
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Anti-RDBMS: A list of distributed key-value stores
Please Note: this was written January 2009 - see the comments for updates and additional information. A lot has changed since I wrote this.
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A Unix Utility You Should Know About: Pipe Viewer
Hi all! I'm starting a new article series here. This one is going to be about Unix utilities that you should know about. The articles will discuss one Unix program at a time. I'll try to write a good introduction to the tool and give as many examples as I can think of. The first post in this series is going to be…
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BSD For Linux Users
Your browser doesn't seem to support CSS , which this page uses for all styling. Don't be surprised if it looks kinda boring.
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On Building A Stupidly Fast Graph Database
It’s pretty clear to computer science geeks that Directed Edge is supposed to be doing groovy things with graphs. In fact our recommendation engine, and some of the things that are unique about our approach to recommendations, are built on our super-fast graph database. When we went live yesterday with the latest…
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Tokyo Cabinet DB: Beyond Key-Value Store
It took Ruby some time to go from an infant research project by Matz to a language we've all come to know so well. Now, another Japanese developer ( Mikio Hirabayashi ) has all the potential to repeat this cycle with his new database project: Tokyo Cabinet . Developed and sponsored by Mixi Inc . (Japanese Facebook)…
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Anatomy of a Program in Memory
Memory management is the heart of operating systems; it is crucial for both programming and system administration. In the next few posts I'll cover memory with an eye towards practical aspects, but wi
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Arbitrary code execution via ldd utility
The `ldd` utility is more vulnerable than you think. It's frequently used by programmers and system administrators to determine the dynamic library dependencies of executables. Sounds pretty innocent, right? Wrong! In this article I am going to show you how to create an executable that runs arbitrary code if it's...
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JWZ, on Garbage Collection
In a conversation at work about the architecture of a new product, someone made an assertion along the lines of, ``then we'd need to use a garbage collector, and that would hurt performance.''