Monthly Archives: June 2012

Impedancce control

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Google glass skydiving

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Reducing large data file with awk

I have a data file with 20000 lines collected with an Arduino datalogger that I have built. When I tried to plot all these lines with gnuplot, I got a 400K graph EPS, which worked great, but loaded slowly. In … Continue reading

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Joining stdout and stderr: 2>&1

Needed to get stderr with popen: /* * Purpose: Program to demonstrate the popen function. * * to do: Check that the ‘popen’ was successfull. * * Author: M J Leslie. * Date: 08-Jan-94 */ #include main() { FILE *fp; … Continue reading

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Romotive hacks

http://pkula.blogspot.com.br/2012/04/romotive-romo-pcb-schematic.html http://romotive.blogspot.co.uk/

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Latex longtable with (Continued on next page…)

http://users.sdsc.edu/~ssmallen/latex/longtable.html

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Remotely setting TI eZ430 Chronos display

I was playing with some stuff and wanted to dynamically monitor a sensor, and see its value on the eZ430 Chronos watch. Here’s how I did it on Linux, but works on Windows also: Copy eZ430-Chronos CC 1_2.tcl to display.tcl … Continue reading

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The Battle Between ARM and Intel Gets Real

From IEEE Spectrom: http://spectrum.ieee.org/semiconductors/processors/the-battle-between-arm-and-intel-gets-real/?utm_source=techalert&utm_medium=email&utm_campaign=051012

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awk and vim tips from Dicasl-L

Get first 4 characters: $ echo “welcome” | awk ‘{ print substr( $0, 0, 4 ) }’ welc Get last 4 characters: $ echo “welcome” | awk ‘{ print substr( $0, length($0) – 3, length($0) ) }’ come vim: Joining … Continue reading

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If you are a PhD student and have kid(s) you will understand this

http://www.phdcomics.com/comics.php?n=1500

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