aphe

# Installing OpenCV python libs on mac to work with virtualenv
# OpenCV  2.4.3
# Python 2.7.3 installed with brew

# assuming you have virtualenv, pip, and python installed via brew
# assuming $WORKON_HOME is set to something like ~/.virtualenvs

# using homebrew - make sure we're current
brew update

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## Configure eth0
#
# vi /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE="eth0"
NM_CONTROLLED="yes"
ONBOOT=yes
HWADDR=A4:BA:DB:37:F1:04
TYPE=Ethernet
BOOTPROTO=static

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import argparse

class DefaultListAction(argparse.Action):
    CHOICES = ['file', 'folder']
    def __call__(self, parser, namespace, values, option_string=None):
        if values:
            for value in values:
                if value not in self.CHOICES:
                    message = ("invalid choice: {0!r} (choose from {1})"
                               .format(value,

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for root, dirnames, filenames in os.walk(some_directory):
    for filename in fnmatch.filter(filenames, '*.pdf'):

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filename = filenye[filenye.rfind("/") + 1:].replace(".pdf", "")

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import cPickle

f = open(some_file, "w")
f.write(cPickle.dumps(binary))
f.close()

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brew install imagemagick --with-ghostscript

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vlc —no-video-title-show —fullscreen —repeat videonya

vlc --mouse-hide-timeout=1 --qt-minimal-view --video-on-top --no-video-title-show --fullscreen --repeat videonya

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##Virtualbox change VDI
VBoxManage internalcommands sethduuid [new vdi]

##Virtualbox change from size changeable to fixed
VBoxManage clonehd vdia.vdi vdib.vdi --variant Fixed

##Virtualbox change size
VBoxManage modifyhd CentOs.vdi --resize 10000000 (on Mega)

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__author__ = 'phe'

A = -72
n = 4
'''
    RSSI = -(10*n*log10(d) + A)
    A is the RSSI value at a reference distance
'''
distance = pow(10.0, ((A + 71)/(10.0*n)))
print distance;