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1. Get pnet to do UDP blocking

   Pnet is a MEX-file-based toolbox for Octave/MATLAB. The help instructions would lead you to believe that UDP reads block by default, but this didn’t work for me: I had to specify a timeout. You can specify Inf, but given that you can’t ctrl-c out of a program whilst the MEX part is running, I’d recommend

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2. Compiling pnet (or any other MEX file) with Visual Studio Express and Octave

   Octave supports MEX files, just like MATLAB. Here’s how to compile a MEX file (in my case pnet): Run Developer Tools (2012) Change Octave’s math.h to specify correct MS math.h Add Octave ‘bin’ folder to path Change to the folder with the files Run command: mkoctfile --mex -lws2_32.lib -DWIN32 -v -o pnet pnet.c The last

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3. Internet Sharing in OS X 10.8.2 seems to work after well

   After updating to OSX 10.8.2 (Server), internet sharing stopped working. After a lot of fighting, that included setting up manually (turned out not to be viable because I couldn’t figure out how to automatically launch an ad-hoc network at startup), I undid everything I tried except for this one tip: http://support.apple.com/kb/TS4418 Perhaps if I’d done

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