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Russ Cox
5,710 followers -
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Programmer

5,710 followers
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The number of people at #gophercon  is surreal.
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"The problem with X-Ray networks is that exposure to them is fatal."
I hadn't seen this when it came out.  LOVE.  "See Straight Through Datacenter Bandwidth Limitations with X-Rays."

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If y'all wouldn't mind reading this, I'd appreciate it. 

If you like it, it would be kind of you to share it around as well.... 

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The video tells the story of how Ken Thompson and others reverse engineered the Linotron 202 typesetter.

More material here: http://www.cs.princeton.edu/~bwk/202/

Also, some discussion on the TUHS mailing list. In this post, Steve Johnson tells the story of how the typesetter effected standard error: http://minnie.tuhs.org/pipermail/tuhs/2013-December/002933.html

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FizzBuzz in Go

Every time I see FizzBuzz mentioned somewhere on the internet I think two things.

1. That's a dumb problem.
2. There's actually a nice Go solution.

I've seen lots of people make the first observation but have never seen anyone make the second. It's basically a tiny prime sieve.

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How to make user-level profiling work on a Mac. Comments here appear on the blog post.

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The internals of Google's pprof CPU Profiler (for C++ and Go). Comments here appear on the blog post.

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I've been reading old posts on the Random ASCII blog. This one may be my favorite. It explains how sub instructions on the x86 can sometimes execute 4x faster than add instructions.

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Jeff Mitchell was tagged in Russ Cox's album.
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