renatocassino

# NOTICE: to get Nginx+Unicorn best-practices configuration see the gist https://gist.github.com/3052776

  $ cd /usr/src
  $ wget http://nginx.org/download/nginx-1.2.1.tar.gz
  $ tar xzvf ./nginx-1.2.1.tar.gz && rm -f ./nginx-1.2.1.tar.gz

  $ wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.30.tar.gz
  $ tar xzvf pcre-8.30.tar.gz && rm -f ./pcre-8.30.tar.gz

  $ wget http://www.openssl.org/source/openssl-1.0.1c.tar.gz

renatocassino

sudo dd if=/dev/zero of=/swapspace bs=1M count=4000
sudo mkswap /swapspace
sudo swapon /swapspace
 
# To check
cat /proc/swaps
 
# Next, add the following line to /etc/fstab to activate the new swap at boot:
/swapspace none swap defaults 0 0

renatocassino

module ApplicationHelper
 
  def spaceless(&block)
    contents = capture(&block)
 
    # Note that string returned by +capture+ is implicitly HTML-safe,
    # and this mangling does not introduce unsafe changes, so I'm just
    # resetting the flag.
    if Rails.env.production? then
      contents.strip.gsub(/>\s+</, '><').html_safe

renatocassino

<?php
function toSlug($text)
{
        $text = preg_replace(
                ['/(à|á|ã|â)/','/(é|è|ẽ|ê)/','/(í|ì|ĩ|î)/','/(ó|ò|õ|ô)/','/(ú|ù|û)/','/ç/','/ /'],
                ['a','e','i','o','u','c','-'],
                strtolower($text)
        );
 
        $text = preg_replace('/([^a-z0-9-])/','',$text);

renatocassino

# 3697
# Syntax
awk '/pattern/ { commands }' textfile

## System variables
# FS = Field Separator (Define the separator for variables)
# NF = Number Fields (Number of fields getted by a field separator)
# RS = Record Separator (Record separator is a new line by default "\n")
# FILENAME = The name of the file that awk is reading
# BEGIN = Run command and change vars before the script

renatocassino

# Show only ids to an especific id | Possible commands
docker ps -a | grep mongo --color | sed -e 's/^\([a-z0-9]*\).*/\1/' # With grep
docker ps -a | sed -n /mongo/p | sed -e 's/^\([a-z0-9]*\).*/\1/'
docker ps -a | awk '/mongo/ {print $1}' # Using AWK

# Download list of m4a from an xml via curl
wget -i $(curl http://vip.aersia.net/roster.xml\?296 | sed -e '/location/!d' -e 's/\<location\>\(.*\)\<\/location\>/\1/g' -e 's/^[^a-z]*//g')

# Insert with sed
sed '/regex/i\

renatocassino

(global-set-key (kbd "C-x q") 'neotree-toggle)
(setq js2-basic-offset 2)

renatocassino

const board = [
    [0, 0, 0, 0],
    [0, 0, 0, 0],
    [0, 0, 0, 0],
    [0, 0, 0, 0],
];
 // Important, when you see this matix in code,
// you are seeing the board rotated 90 deg to left,
// because the first value is column and the second value is the line
// board[column, line]

renatocassino

// Funcion non Functional
const getEmptyBlocksNonFunctional = (currentBoard) => {
  const positions = []; // Variable with positions
  for(let i = 0; i < currentBoard.length; i++) { // Iterate in columns
    for(let j = 0; j < currentBoard[i].length; j++) { // Iterate in lines
      if(currentBoard[i][j] === 0) {
        positions.push([i, j]); // Append in pushes when 0
      }
    }
  }

renatocassino

const getEmptyBlocks = (board) => (
  board.reduce((lineData, line, idxColumn) => { // Iterate over columns
    const result = line.reduce((data, row, idx) => { // Iterate over lines
      if (row !== 0) return data; // If value is different of zero, response last iterate
      return [[idxColumn, idx], ...data]; // Join last iterate (or default value) with new data
    }, []); // Default value to reduce in line

    return [...lineData, ...result]; // Join old value with new value and return to next reduce
  }, []) // Default value to reduce in column
);