wteuber

#http://tools.ietf.org/html/rfc2397
img_path = '...pictures/img.jpg'
img = File.open(img_path, 'rb').read
img_type = case img[0..10]
  when /^GIF8/
    'gif'
  when Regexp.new('^\x89PNG', nil, 'n')
    'png'
  when Regexp.new('^\xff\xd8\xff\xe0\x00\x10JFIF', nil, 'n'), Regexp.new('^\xff\xd8\xff\xe1(.*){2}Exif', nil, 'n')
   'jpeg'

wteuber

require 'date'

# Converts a german date string to a Time object
# The format of the german date is '%A, %d. %B %Y, %H:%M Uhr'
# e.g.: 'Dienstag, 29. Januar 2013, 19:27 Uhr'
#
# @params [String] german date
# @return [Time]
def intl_time(de_date)
  en_days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"] 

wteuber

class Integer
  def digit_sum(base = 10)
    result = 0
    number = self
    while(number > 0) do
      result += number % base
      number /= base
    end
    result
  end

wteuber

/*Run this code in your js console after the page has been loaded completely*/
/* "!== undefined" at the end simply prevents unwanted output in the js console.*/
$('a').each(function () {
  var self = $(this);
  if ((self.attr('href') && self.attr('href').indexOf('#') !== 0) && (self.data('events') !== undefined) && (self.data('events').click !== undefined)) {
    console.log(this, self.attr('href'), self.data('events'))
  }
}) !== undefined

$('[type="submit"]').each(function () {

wteuber

MyApp::Application.configure do

  #...

  # Print deprecation notices to the stderr
  #config.active_support.deprecation = :stderr

  # Print full stacktrace from deprecation warnings
  config.active_support.deprecation = Proc.new { |message, callstack|
    $stderr.puts message, callstack

wteuber

require 'openssl'

class String
  def encrypt(key)
    cipher = OpenSSL::Cipher.new('DES-EDE3-CBC').encrypt
    cipher.key = Digest::SHA1.hexdigest key
    s = cipher.update(self) + cipher.final

    s.unpack('H*')[0].upcase
  end

wteuber

# HINT: This gists uses GNU commands. On Mac OS, you might want to adopt the script or use `grep`, `find` and `sed` "--with-default-names".

RENAME_FROM=old_name
RENAME_TO=new_name

# RENAME files, directories from an old name to a new name

# CHECK files manually:  find . -type f -name "*$RENAME_FROM*" | grep -v '/\.'
# find . -type f -name "*$RENAME_FROM*"                              ## find all files that contain the old name
# grep -v '/\.'                                                      ## exclude hidden files

wteuber

# grep -l -R -I --exclude "*.log" -e "old_stuff" .  ## list files that contain old_stuff, excluding .log files
# grep -v '/\.'                                     ## don't list dot files
# xargs sed -i "s/old_stuff/new_stuff/g"            ## replace (and save) old_stuff with new_stuff in those files.

grep -l -R -I --exclude "*.log" -e "old_stuff" . | grep -v '/\.' | xargs sed -i "s/old_stuff/new_stuff/g"

wteuber

/*
  because IE8 doesn't support Object.keys...
*/
Object.keys = Object.keys || function(o) {
    var result = [];
    for(var name in o) {
        if (Object.prototype.hasOwnProperty.call(o,name)) {
          result.push(name);
        }
    }

wteuber

/* go to https://elgoog.im/breakout/ and run the snippet in your js console (works only for one level): */

hit = function($) { $('#breakout-paddle').style.left = (parseInt($('#breakout-ball').style.left, 10)-50).toString()+'px'; window.setTimeout(function(){ hit($); }, 10)}; hit($);