http://tumblog.hypotheticalabs.com Random Daily Linkage Fri, 30 Jan 2009 16:35:22 +0000 http://backend.userland.com/rss092 en C-c C-f /sudo:: Works like a charm in Aquamacs! You'll need to install tramp for this to work: Read more about it here. http://tumblog.hypotheticalabs.com/?p=64 http://www.planeterlang.org/en/planet/article/Async_or_Sync_Log_in_Erlang_-_Limit_the_Load_of_Singleton_Process/ Singletons. Seems like they're rarely a good idea. Ever. http://tumblog.hypotheticalabs.com/?p=63 Excellent series of articles by Richard Jones detailing the work required to scale a Comet server written (mostly) in Erlang out to 1 million connections. Part 1 Part 2 Part 3 http://tumblog.hypotheticalabs.com/?p=62 http://www.erlang-projects.org/Public/news/ejson/view There's also the mochijson module in mochiweb but this looks useful in situations where the entirety of mochiweb might be overkill. http://tumblog.hypotheticalabs.com/?p=61 When ejabberd or Jabberlang return "error: -12" this means they cannot load their native library drivers. Normally this means they can't find expat_erl.so. To fix: Verify the drivers exist in the priv directory of the Jabberlang or ejabberd applications, depending on which one you're using. Verify the path, returned by ejabberd:get_so_path(), exists and ... http://tumblog.hypotheticalabs.com/?p=60 OMG! Reflective record access by Ulf Wiger: http://www.trapexit.org/forum/viewtopic.php?t=6385&sid=a64a45192821687eddb69fe3ae466383 Now records behave much more like how I've always thought they should without the mind-bendingly ugly syntax. http://tumblog.hypotheticalabs.com/?p=59 Hmm. Interesting reading: http://groups.inf.ed.ac.uk/links/formlets/ http://tumblog.hypotheticalabs.com/?p=58 Dominique Boucher on the pitfalls of hot code swapping: http://theschemeway.blogspot.com/2008/09/hot-code-swapping-pitfalls-in-erlang.html Mitchell Hashimoto on the basics of hot code swapping: http://spawnlink.com/articles/rules-of-hot-code-swapping/ http://tumblog.hypotheticalabs.com/?p=57 The indomitable Joel Reymont write his first article on optimizing Erlang: http://www.wagerlabs.com/blog/2008/08/optimizing-erlang-a-death-match-of-arrays-vs-tuples.html http://tumblog.hypotheticalabs.com/?p=56 Via reddit: Symbolics Lisp document dump http://tumblog.hypotheticalabs.com/?p=55