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Bus 002 Device 009: ID 0d8c:0309 C-Media Electronics, Inc. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 ?
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x0d8c C-Media Electronics, Inc.

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-- MySQL
SELECT UNIX_TIMESTAMP(date), avg_cyclic, frequency_start , frequency_stop, intensity, source
FROM (SELECT MAX(id) AS max_id, CONCAT(echo.frequency_start , '-', echo.frequency_stop) AS frequency
	FROM echo
	WHERE channel = {0}
	GROUP BY frequency) AS id,
echo,
(SELECT
	IF (avg(sin(direction*PI()/180))>0 AND avg(cos(direction*PI()/180))>0,
		atan(avg(sin(direction*PI()/180))/avg(cos(direction*PI()/180))),

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all: program run plot

.PHONY: run plot

program: file.c
        gcc -o program file.c

run:
        ./program
        

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#!/usr/bin/perl
use strict;
use warnings;

# Use: cat file | ./filter.pl > new_file

while(<>) {
        if (/^(\w+(\\\w+)*)\\(\w+)\t(\w+)$/) {
                print "$1;$3;$4\n";
        }   

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/* Read acc and gyro */
body_linear_acc /* contains: u_dot, v_dot, w_dot */
body_rotation_acc /* contains: p_dot, q_dot, r_dot */

/* Calculate angle TODO: compensate for turning */
local_angle = find_angles_atan2(body_linear_acc)

/* Read GPS position and speed */
gps_speed /*contains x, y, z */
gps_position /* contains x_dot, y_dot, z_dot */

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#!/usr/bin/perl

# Based on http://www.perlmonks.org/?node_id=65152

use strict;
use Net::INET6Glue::INET_is_INET6;
use Net::LDAP;

use constant HOST => 'ip6-localhost:1389';
use constant BASE => 'ou=people';

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$ git --version
git version 1.8.5.rc2.7.g8167612              # same behavour with 1.9.1.423.g4596e3a

$ git init
Initialized empty Git repository in /home/torstein/tmp/git-empty/.git/

$ echo "f" >file

$ git add file