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USEFUL ONE-LINE SCRIPTS FOR SED (Unix stream editor)        Dec. 29, 2005
Compiled by Eric Pement - pemente[at]northpark[dot]edu        version 5.5

Latest version of this file (in English) is usually at:
   http://sed.sourceforge.net/sed1line.txt
   http://www.pement.org/sed/sed1line.txt

This file will also available in other languages:
  Chinese     - http://sed.sourceforge.net/sed1line_zh-CN.html

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Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

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@receiver(pre_save, sender=Course)
def create_slug(sender, instance, *args, **kwargs):
    instance.slug = orig = slugify(instance.name)
    if Course.objects.filter(slug=instance.slug).exists():
        # Creates a unique slug, adding -number when its already used.
        for x in itertools.count(1):
            if not Course.objects.filter(slug=instance.slug).exists():
                break
            instance.slug = '%s-%d' % (orig, x)

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grep sshd.*Did /var/log/auth.log | less

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grep sshd.\*Failed /var/log/auth.log | less

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#!/bin/bash
logfile="/var/lib/postgresql/backups/pgsql.log"
backup_dir="/var/lib/postgresql/backups"
touch $logfile
databases=`psql -h localhost -U postgres -q -c "\l" | sed -n 4,/\eof/p | grep -v rows\) | grep -v template0 | grep -v template1 | awk {'print $1'}`

echo "Starting backup of databases " >> $logfile
for i in $databases; do
        dateinfo=`date '+%Y-%m-%d %H:%M:%S'`
        timeslot=`date '+%Y%m%d%H%M'`

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# Replaces whitespaces with underscore of all files from this location
import os

path = os.getcwd()  
filenames = os.listdir(path)     

for filename in filenames:        
    os.rename(os.path.join(path, filename), os.path.join(path, filename.replace(' ', '_')))

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Paraderos alrededor de un punto

http://www.transantiago.cl/restservice/rest/getpuntoparada?lat=-33.6089714&lon=-70.5742975&bip=1

Estimación de parada

http://www.transantiago.cl/predictor/prediccion?codsimt=PA420&codser=504 (código de servicio es opcional, pero el parámetro debe estar presente aunque esté vacío)

Lista de servicios

http://www.transantiago.cl/restservice/rest/getservicios/all

Info completa de servicio

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def print_categories(self):
  ''' Return categories as text for printing on templates '''
  return ''.join(
      [x.name +'-' for x in self.category.all().order_by('name')]
      )[:-1] # Removes last '-'