jweslley

% apt-get install texlive-portuguese
\usepackage[brazilian]{babel}

jweslley

/*
 * This is the Towers of Hanoi example from the prolog tutorial [1]
 * converted into Scala, using implicits to unfold the algorithm at
 * compile-time. 
 * 
 * [1] http://www.csupomona.edu/~jrfisher/www/prolog_tutorial/2_3.html
 */

object TowersOfHanoi {
  import scala.reflect.Manifest

jweslley

package net.abhinavsarkar.util;

import java.util.Iterator;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;

jweslley

sudo grub
root (hd0,1)
setup (hd0)
quit

jweslley

require 'csv'

CSV.foreach('path/to/seed.csv', headers: true, col_sep: ';') do |row|
  Model.create row.to_hash
end

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big_O.plot <- function(count,log="") {
  n <- seq(count)

  plot(n, n*n, log=log, type='l', col='red',
    ylab="Running time", xlab='n (# of elements)')
  lines(n, n*log(n), col='green')
  lines(n, n, col='blue')
  lines(n, log(n), col='black')

  title('Running time of common time complexities')

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usage(){
  echo "Usage: $(basename $0) [-c <cols>] [-r <rows>] [-p <pch>]"
  exit 2
}

cols=50
rows=20
pch="*"
while getopts "c:r:p:h" option; do
  case "$option" in

jweslley

#
# File: /etc/logrotate.d/rails
# Test: logrotate -f /etc/logrotate.d/rails
#
/var/www/*/log/*.log {
  daily
  dateext
  notifempty
  missingok
  rotate 30

jweslley

SELECT * INTO OUTFILE 'result.csv'
FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"'
LINES TERMINATED BY '\n'
FROM my_table;

jweslley

#!/bin/sh
# Usage:
#   - Save this file in /etc/cron.daily/gitlab
#   - Enable execution permission: chmod +x /etc/cron.daily/gitlab

set -e

DB_USERNAME=username
DB_PASSWORD=secret
BACKUP_DIR='/path/to/backup/'